From 2e7d9972342c5a614319193cb75e8b1e135167b8 Mon Sep 17 00:00:00 2001
From: Sergey Pepyakin <s.pepyakin@gmail.com>
Date: Sat, 14 Oct 2017 17:18:38 +0300
Subject: [PATCH] Derive `Clone` along with `Copy` on latest stable.

---
 src/codegen/mod.rs                            |   5 +-
 src/features.rs                               |  11 +-
 tests/expectations/tests/16-byte-alignment.rs |  49 +-----
 tests/expectations/tests/accessors.rs         |  42 +----
 tests/expectations/tests/annotation_hide.rs   |  14 +-
 tests/expectations/tests/anon_enum.rs         |   7 +-
 tests/expectations/tests/anon_enum_trait.rs   |   7 +-
 .../tests/anon_struct_in_union.rs             |  21 +--
 tests/expectations/tests/base-to-derived.rs   |   7 +-
 .../tests/bitfield-32bit-overflow.rs          |   7 +-
 .../expectations/tests/bitfield-enum-basic.rs |   7 +-
 tests/expectations/tests/bitfield-large.rs    |  14 +-
 .../tests/bitfield-method-same-name.rs        |   7 +-
 tests/expectations/tests/bitfield_align.rs    |  42 +----
 tests/expectations/tests/bitfield_align_2.rs  |   7 +-
 .../tests/bitfield_large_overflow.rs          |   7 +-
 .../tests/bitfield_method_mangling.rs         |   7 +-
 tests/expectations/tests/c-empty-layout.rs    |   7 +-
 .../canonical_path_without_namespacing.rs     |   7 +-
 tests/expectations/tests/char.rs              |   7 +-
 tests/expectations/tests/class.rs             |  28 +---
 tests/expectations/tests/class_nested.rs      |  28 +---
 tests/expectations/tests/class_no_members.rs  |  21 +--
 tests/expectations/tests/class_static.rs      |   7 +-
 .../expectations/tests/class_static_const.rs  |   7 +-
 tests/expectations/tests/class_use_as.rs      |  14 +-
 .../tests/class_with_inner_struct.rs          |  77 ++-------
 .../expectations/tests/class_with_typedef.rs  |  14 +-
 tests/expectations/tests/comment-indent.rs    |  35 +---
 tests/expectations/tests/complex.rs           |  28 +---
 .../expectations/tests/const_enum_unnamed.rs  |   7 +-
 .../expectations/tests/constify-all-enums.rs  |   7 +-
 .../tests/constify-module-enums-basic.rs      |   7 +-
 .../tests/constify-module-enums-namespace.rs  |   7 +-
 .../constify-module-enums-shadow-name.rs      |   7 +-
 .../constify-module-enums-simple-alias.rs     |   7 +-
 ...onstify-module-enums-simple-nonamespace.rs |   7 +-
 .../tests/constify-module-enums-types.rs      |  21 +--
 tests/expectations/tests/constructor-tp.rs    |   7 +-
 tests/expectations/tests/constructors.rs      |  14 +-
 .../tests/convert-cpp-comment-to-rust.rs      |   7 +-
 tests/expectations/tests/convert-floats.rs    |   7 +-
 tests/expectations/tests/cpp-empty-layout.rs  |   7 +-
 tests/expectations/tests/crtp.rs              |   7 +-
 .../tests/derive-bitfield-method-same-name.rs |   7 +-
 tests/expectations/tests/derive-clone.rs      |  41 +++++
 tests/expectations/tests/derive-clone_1_0.rs  |  47 ++++++
 .../tests/derive-debug-bitfield.rs            |   7 +-
 .../tests/derive-debug-function-pointer.rs    |   7 +-
 tests/expectations/tests/derive-fn-ptr.rs     |  14 +-
 ...rive-hash-struct-with-anon-struct-float.rs |  14 +-
 .../derive-hash-struct-with-float-array.rs    |   7 +-
 .../tests/derive-hash-struct-with-pointer.rs  |  28 +---
 .../tests/derive-hash-template-inst-float.rs  |  14 +-
 .../tests/derive-partialeq-anonfield.rs       |  14 +-
 .../tests/derive-partialeq-base.rs            |  14 +-
 .../tests/derive-partialeq-bitfield.rs        |   7 +-
 .../tests/derive-partialeq-core.rs            |   7 +-
 .../tests/derive-partialeq-pointer.rs         |  28 +---
 .../tests/derive-partialeq-union.rs           |   7 +-
 tests/expectations/tests/doggo-or-null.rs     |  21 +--
 .../duplicated-namespaces-definitions.rs      |  14 +-
 .../tests/enum_and_vtable_mangling.rs         |   7 +-
 .../tests/forward-declaration-autoptr.rs      |   7 +-
 .../tests/forward_declared_complex_types.rs   |  14 +-
 .../tests/forward_declared_struct.rs          |  14 +-
 .../expectations/tests/func_ptr_in_struct.rs  |   7 +-
 .../tests/gen-constructors-neg.rs             |   7 +-
 tests/expectations/tests/gen-constructors.rs  |   7 +-
 tests/expectations/tests/generate-inline.rs   |   7 +-
 ...from-template-instantiation-with-vtable.rs |  28 +---
 tests/expectations/tests/inherit_typedef.rs   |  14 +-
 tests/expectations/tests/inline_namespace.rs  |   7 +-
 .../tests/inline_namespace_conservative.rs    |   7 +-
 tests/expectations/tests/inner_const.rs       |   7 +-
 .../expectations/tests/inner_template_self.rs |   7 +-
 tests/expectations/tests/issue-1034.rs        |   7 +-
 tests/expectations/tests/issue-372.rs         |  14 +-
 tests/expectations/tests/issue-410.rs         |   7 +-
 tests/expectations/tests/issue-447.rs         |  14 +-
 ...ate-params-causing-layout-test-failures.rs |   7 +-
 .../tests/issue-573-layout-test-failures.rs   |   7 +-
 .../issue-574-assertion-failure-in-codegen.rs |   7 +-
 ...issue-584-stylo-template-analysis-panic.rs |   7 +-
 .../tests/issue-639-typedef-anon-field.rs     |  28 +---
 .../tests/issue-643-inner-struct.rs           |  21 +--
 .../issue-648-derive-debug-with-padding.rs    |  14 +-
 tests/expectations/tests/issue-674-1.rs       |   7 +-
 tests/expectations/tests/issue-674-2.rs       |  14 +-
 tests/expectations/tests/issue-674-3.rs       |  14 +-
 .../issue-691-template-parameter-virtual.rs   |  14 +-
 .../tests/issue-739-pointer-wide-bitfield.rs  |   7 +-
 .../tests/issue-801-opaque-sloppiness.rs      |  14 +-
 ...07-opaque-types-methods-being-generated.rs |  35 +---
 ...26-generating-methods-when-asked-not-to.rs |   7 +-
 tests/expectations/tests/issue-834.rs         |   7 +-
 .../tests/issue-888-enum-var-decl-jump.rs     |   7 +-
 tests/expectations/tests/issue_311.rs         |  14 +-
 .../expectations/tests/jsval_layout_opaque.rs |  35 +---
 tests/expectations/tests/layout_align.rs      |   7 +-
 tests/expectations/tests/layout_arp.rs        |  21 +--
 tests/expectations/tests/layout_array.rs      |  42 +----
 .../tests/layout_array_too_long.rs            |  35 +---
 .../tests/layout_cmdline_token.rs             |  28 +---
 tests/expectations/tests/layout_eth_conf.rs   | 154 +++---------------
 tests/expectations/tests/layout_kni_mbuf.rs   |   7 +-
 .../tests/layout_large_align_field.rs         |  49 +-----
 tests/expectations/tests/layout_mbuf.rs       |  91 ++---------
 tests/expectations/tests/libclang-3.8/auto.rs |   7 +-
 .../tests/libclang-3.8/call-conv-field.rs     |   7 +-
 .../tests/libclang-3.8/const_bool.rs          |   7 +-
 .../partial-specialization-and-inheritance.rs |   7 +-
 .../type_alias_template_specialized.rs        |   7 +-
 tests/expectations/tests/libclang-3.9/auto.rs |   7 +-
 .../tests/libclang-3.9/call-conv-field.rs     |   7 +-
 .../tests/libclang-3.9/const_bool.rs          |   7 +-
 .../partial-specialization-and-inheritance.rs |   7 +-
 .../type_alias_template_specialized.rs        |   7 +-
 tests/expectations/tests/libclang-4/auto.rs   |  19 ++-
 .../tests/libclang-4/call-conv-field.rs       |  61 ++++---
 .../tests/libclang-4/const_bool.rs            |  19 ++-
 .../partial-specialization-and-inheritance.rs |  19 ++-
 .../type_alias_template_specialized.rs        |  18 +-
 tests/expectations/tests/mangling-linux32.rs  |   7 +-
 tests/expectations/tests/mangling-linux64.rs  |   7 +-
 tests/expectations/tests/mangling-macos.rs    |   7 +-
 tests/expectations/tests/mangling-win32.rs    |   7 +-
 tests/expectations/tests/mangling-win64.rs    |   7 +-
 tests/expectations/tests/method-mangling.rs   |   7 +-
 .../expectations/tests/module-whitelisted.rs  |   7 +-
 tests/expectations/tests/msvc-no-usr.rs       |   7 +-
 .../multiple-inherit-empty-correct-layout.rs  |  21 +--
 tests/expectations/tests/mutable.rs           |   7 +-
 tests/expectations/tests/namespace.rs         |   7 +-
 tests/expectations/tests/nested.rs            |  28 +---
 tests/expectations/tests/nested_vtable.rs     |  21 +--
 .../tests/nested_within_namespace.rs          |  21 +--
 tests/expectations/tests/no-comments.rs       |   7 +-
 .../expectations/tests/no-partialeq-opaque.rs |   7 +-
 .../tests/no-partialeq-whitelisted.rs         |   7 +-
 tests/expectations/tests/no-std.rs            |   7 +-
 tests/expectations/tests/non-type-params.rs   |   7 +-
 .../expectations/tests/objc_interface_type.rs |   7 +-
 tests/expectations/tests/only_bitfields.rs    |   7 +-
 .../tests/opaque-template-inst-member-2.rs    |  14 +-
 ...paque-template-instantiation-namespaced.rs |  28 +---
 .../tests/opaque-template-instantiation.rs    |  14 +-
 tests/expectations/tests/opaque-tracing.rs    |   7 +-
 tests/expectations/tests/opaque_in_struct.rs  |  14 +-
 tests/expectations/tests/opaque_pointer.rs    |  14 +-
 tests/expectations/tests/private.rs           |  21 +--
 .../expectations/tests/ref_argument_array.rs  |   7 +-
 .../tests/reparented_replacement.rs           |   7 +-
 tests/expectations/tests/replace_use.rs       |   7 +-
 ...ame_struct_name_in_different_namespaces.rs |   7 +-
 .../tests/sentry-defined-multiple-times.rs    |  84 ++--------
 tests/expectations/tests/size_t_template.rs   |   7 +-
 ...ruct_containing_forward_declared_struct.rs |  14 +-
 tests/expectations/tests/struct_typedef.rs    |  14 +-
 tests/expectations/tests/struct_typedef_ns.rs |  14 +-
 .../tests/struct_with_anon_struct.rs          |  14 +-
 .../tests/struct_with_anon_struct_array.rs    |  21 +--
 .../tests/struct_with_anon_struct_pointer.rs  |  14 +-
 .../tests/struct_with_anon_union.rs           |  14 +-
 .../tests/struct_with_anon_unnamed_struct.rs  |  14 +-
 .../tests/struct_with_anon_unnamed_union.rs   |  14 +-
 .../tests/struct_with_bitfields.rs            |   7 +-
 .../tests/struct_with_derive_debug.rs         |  28 +---
 .../tests/struct_with_large_array.rs          |   7 +-
 .../expectations/tests/struct_with_nesting.rs |  28 +---
 .../expectations/tests/struct_with_packing.rs |   7 +-
 .../expectations/tests/struct_with_struct.rs  |  14 +-
 tests/expectations/tests/template.rs          |  28 +---
 .../test_multiple_header_calls_in_builder.rs  |   7 +-
 ...type-referenced-by-whitelisted-function.rs |   7 +-
 tests/expectations/tests/typeref.rs           |  21 +--
 tests/expectations/tests/underscore.rs        |   7 +-
 tests/expectations/tests/union-in-ns.rs       |   7 +-
 tests/expectations/tests/union_bitfield.rs    |  14 +-
 tests/expectations/tests/union_fields.rs      |   7 +-
 .../tests/union_with_anon_struct.rs           |  14 +-
 .../tests/union_with_anon_struct_bitfield.rs  |  14 +-
 .../tests/union_with_anon_union.rs            |  14 +-
 .../tests/union_with_anon_unnamed_struct.rs   |  14 +-
 .../tests/union_with_anon_unnamed_union.rs    |  14 +-
 .../tests/union_with_big_member.rs            |  21 +--
 .../expectations/tests/union_with_nesting.rs  |  28 +---
 tests/expectations/tests/unknown_attr.rs      |   7 +-
 tests/expectations/tests/use-core.rs          |  14 +-
 tests/expectations/tests/var-tracing.rs       |  14 +-
 tests/expectations/tests/variadic-method.rs   |   7 +-
 tests/expectations/tests/vector.rs            |   7 +-
 .../expectations/tests/virtual_inheritance.rs |  28 +---
 .../expectations/tests/virtual_overloaded.rs  |   7 +-
 .../tests/vtable_recursive_sig.rs             |  14 +-
 tests/expectations/tests/weird_bitfields.rs   |   7 +-
 tests/expectations/tests/what_is_going_on.rs  |   7 +-
 .../tests/whitelist-namespaces-basic.rs       |   7 +-
 .../tests/whitelist-namespaces.rs             |  14 +-
 ...hitelisted-item-references-no-partialeq.rs |  14 +-
 .../tests/win32-thiscall_nightly.rs           |   7 +-
 tests/headers/derive-clone.h                  |   5 +
 tests/headers/derive-clone_1_0.h              |   7 +
 203 files changed, 601 insertions(+), 2493 deletions(-)
 create mode 100644 tests/expectations/tests/derive-clone.rs
 create mode 100644 tests/expectations/tests/derive-clone_1_0.rs
 create mode 100644 tests/headers/derive-clone.h
 create mode 100644 tests/headers/derive-clone_1_0.h

diff --git a/src/codegen/mod.rs b/src/codegen/mod.rs
index 6396e95346..607ceafeca 100644
--- a/src/codegen/mod.rs
+++ b/src/codegen/mod.rs
@@ -1642,7 +1642,10 @@ impl CodeGenerator for CompInfo {
             ctx.options().derive_copy
         {
             derives.push("Copy");
-            if used_template_params.is_some() {
+
+            if ctx.options().rust_features().builtin_clone_impls() || 
+                used_template_params.is_some() 
+            {
                 // FIXME: This requires extra logic if you have a big array in a
                 // templated struct. The reason for this is that the magic:
                 //     fn clone(&self) -> Self { *self }
diff --git a/src/features.rs b/src/features.rs
index b89185fd9b..0954d87b84 100644
--- a/src/features.rs
+++ b/src/features.rs
@@ -90,6 +90,8 @@ macro_rules! rust_target_base {
             => Stable_1_0 => 1.0;
             /// Rust stable 1.19
             => Stable_1_19 => 1.19;
+            /// Rust stable 1.21
+            => Stable_1_21 => 1.21;
             /// Nightly rust
             => Nightly => nightly;
         );
@@ -100,7 +102,7 @@ rust_target_base!(rust_target_def);
 rust_target_base!(rust_target_values_def);
 
 /// Latest stable release of Rust
-pub const LATEST_STABLE_RUST: RustTarget = RustTarget::Stable_1_19;
+pub const LATEST_STABLE_RUST: RustTarget = RustTarget::Stable_1_21;
 
 /// Create RustFeatures struct definition, new(), and a getter for each field
 macro_rules! rust_feature_def {
@@ -142,6 +144,8 @@ rust_feature_def!(
     => const_fn;
     /// `thiscall` calling convention ([Tracking issue](https://github.com/rust-lang/rust/issues/42202))
     => thiscall_abi;
+    /// builtin impls for `Clone` ([PR](https://github.com/rust-lang/rust/pull/43690))
+    => builtin_clone_impls;
 );
 
 impl From<RustTarget> for RustFeatures {
@@ -152,6 +156,10 @@ impl From<RustTarget> for RustFeatures {
             features.untagged_union = true;
         }
 
+        if rust_target >= RustTarget::Stable_1_21 {
+            features.builtin_clone_impls = true;
+        }
+
         if rust_target >= RustTarget::Nightly {
             features.const_fn = true;
             features.thiscall_abi = true;
@@ -183,6 +191,7 @@ mod test {
     fn str_to_target() {
         test_target("1.0", RustTarget::Stable_1_0);
         test_target("1.19", RustTarget::Stable_1_19);
+        test_target("1.21", RustTarget::Stable_1_21);
         test_target("nightly", RustTarget::Nightly);
     }
 }
diff --git a/tests/expectations/tests/16-byte-alignment.rs b/tests/expectations/tests/16-byte-alignment.rs
index 4b764daa80..57bc753da3 100644
--- a/tests/expectations/tests/16-byte-alignment.rs
+++ b/tests/expectations/tests/16-byte-alignment.rs
@@ -5,21 +5,21 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_ipv4_tuple {
     pub src_addr: u32,
     pub dst_addr: u32,
     pub __bindgen_anon_1: rte_ipv4_tuple__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_ipv4_tuple__bindgen_ty_1 {
     pub __bindgen_anon_1: rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1,
     pub sctp_tag: u32,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
@@ -67,11 +67,6 @@ fn bindgen_test_layout_rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_ipv4_tuple__bindgen_ty_1() {
     assert_eq!(
@@ -95,11 +90,6 @@ fn bindgen_test_layout_rte_ipv4_tuple__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_ipv4_tuple__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_ipv4_tuple__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -138,32 +128,27 @@ fn bindgen_test_layout_rte_ipv4_tuple() {
         )
     );
 }
-impl Clone for rte_ipv4_tuple {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_ipv4_tuple {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_ipv6_tuple {
     pub src_addr: [u8; 16usize],
     pub dst_addr: [u8; 16usize],
     pub __bindgen_anon_1: rte_ipv6_tuple__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_ipv6_tuple__bindgen_ty_1 {
     pub __bindgen_anon_1: rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1,
     pub sctp_tag: u32,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
@@ -211,11 +196,6 @@ fn bindgen_test_layout_rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_ipv6_tuple__bindgen_ty_1() {
     assert_eq!(
@@ -239,11 +219,6 @@ fn bindgen_test_layout_rte_ipv6_tuple__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_ipv6_tuple__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_ipv6_tuple__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -282,18 +257,13 @@ fn bindgen_test_layout_rte_ipv6_tuple() {
         )
     );
 }
-impl Clone for rte_ipv6_tuple {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_ipv6_tuple {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_thash_tuple {
     pub v4: rte_ipv4_tuple,
     pub v6: rte_ipv6_tuple,
@@ -327,11 +297,6 @@ fn bindgen_test_layout_rte_thash_tuple() {
         )
     );
 }
-impl Clone for rte_thash_tuple {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_thash_tuple {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/accessors.rs b/tests/expectations/tests/accessors.rs
index 3c8953e624..ac2fb74719 100644
--- a/tests/expectations/tests/accessors.rs
+++ b/tests/expectations/tests/accessors.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct SomeAccessors {
     pub mNoAccessor: ::std::os::raw::c_int,
     /// <div rustbindgen accessor></div>
@@ -68,11 +68,6 @@ fn bindgen_test_layout_SomeAccessors() {
         )
     );
 }
-impl Clone for SomeAccessors {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl SomeAccessors {
     #[inline]
     pub fn get_mBothAccessors(&self) -> &::std::os::raw::c_int {
@@ -97,7 +92,7 @@ impl SomeAccessors {
 }
 /// <div rustbindgen accessor></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct AllAccessors {
     pub mBothAccessors: ::std::os::raw::c_int,
     pub mAlsoBothAccessors: ::std::os::raw::c_int,
@@ -135,11 +130,6 @@ fn bindgen_test_layout_AllAccessors() {
         )
     );
 }
-impl Clone for AllAccessors {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl AllAccessors {
     #[inline]
     pub fn get_mBothAccessors(&self) -> &::std::os::raw::c_int {
@@ -160,7 +150,7 @@ impl AllAccessors {
 }
 /// <div rustbindgen accessor="unsafe"></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct AllUnsafeAccessors {
     pub mBothAccessors: ::std::os::raw::c_int,
     pub mAlsoBothAccessors: ::std::os::raw::c_int,
@@ -198,11 +188,6 @@ fn bindgen_test_layout_AllUnsafeAccessors() {
         )
     );
 }
-impl Clone for AllUnsafeAccessors {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl AllUnsafeAccessors {
     #[inline]
     pub unsafe fn get_mBothAccessors(&self) -> &::std::os::raw::c_int {
@@ -223,7 +208,7 @@ impl AllUnsafeAccessors {
 }
 /// <div rustbindgen accessor></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct ContradictAccessors {
     pub mBothAccessors: ::std::os::raw::c_int,
     /// <div rustbindgen accessor="false"></div>
@@ -286,11 +271,6 @@ fn bindgen_test_layout_ContradictAccessors() {
         )
     );
 }
-impl Clone for ContradictAccessors {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl ContradictAccessors {
     #[inline]
     pub fn get_mBothAccessors(&self) -> &::std::os::raw::c_int {
@@ -315,7 +295,7 @@ impl ContradictAccessors {
 }
 /// <div rustbindgen accessor replaces="Replaced"></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Replaced {
     pub mAccessor: ::std::os::raw::c_int,
 }
@@ -342,11 +322,6 @@ fn bindgen_test_layout_Replaced() {
         )
     );
 }
-impl Clone for Replaced {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Replaced {
     #[inline]
     pub fn get_mAccessor(&self) -> &::std::os::raw::c_int {
@@ -359,7 +334,7 @@ impl Replaced {
 }
 /// <div rustbindgen accessor></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Wrapper {
     pub mReplaced: Replaced,
 }
@@ -386,11 +361,6 @@ fn bindgen_test_layout_Wrapper() {
         )
     );
 }
-impl Clone for Wrapper {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Wrapper {
     #[inline]
     pub fn get_mReplaced(&self) -> &Replaced {
diff --git a/tests/expectations/tests/annotation_hide.rs b/tests/expectations/tests/annotation_hide.rs
index 0cd443a7db..7f68d115cb 100644
--- a/tests/expectations/tests/annotation_hide.rs
+++ b/tests/expectations/tests/annotation_hide.rs
@@ -7,7 +7,7 @@
 
 /// <div rustbindgen opaque></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct D {
     pub _bindgen_opaque_blob: u32,
 }
@@ -24,13 +24,8 @@ fn bindgen_test_layout_D() {
         concat!("Alignment of ", stringify!(D))
     );
 }
-impl Clone for D {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct NotAnnotated {
     pub f: ::std::os::raw::c_int,
 }
@@ -57,8 +52,3 @@ fn bindgen_test_layout_NotAnnotated() {
         )
     );
 }
-impl Clone for NotAnnotated {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/anon_enum.rs b/tests/expectations/tests/anon_enum.rs
index b185aae5c7..3dfd5ad34f 100644
--- a/tests/expectations/tests/anon_enum.rs
+++ b/tests/expectations/tests/anon_enum.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialEq)]
 pub struct Test {
     pub foo: ::std::os::raw::c_int,
     pub bar: f32,
@@ -49,11 +49,6 @@ fn bindgen_test_layout_Test() {
         )
     );
 }
-impl Clone for Test {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(u32)]
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum Baz {
diff --git a/tests/expectations/tests/anon_enum_trait.rs b/tests/expectations/tests/anon_enum_trait.rs
index c037a08bc4..9f5a6c56f1 100644
--- a/tests/expectations/tests/anon_enum_trait.rs
+++ b/tests/expectations/tests/anon_enum_trait.rs
@@ -24,7 +24,7 @@ pub enum DataType__bindgen_ty_1 {
     generic_type = 0,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -48,8 +48,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/anon_struct_in_union.rs b/tests/expectations/tests/anon_struct_in_union.rs
index 87329d1af3..4a5054f609 100644
--- a/tests/expectations/tests/anon_struct_in_union.rs
+++ b/tests/expectations/tests/anon_struct_in_union.rs
@@ -5,18 +5,18 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct s {
     pub u: s__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union s__bindgen_ty_1 {
     pub field: s__bindgen_ty_1_inner,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct s__bindgen_ty_1_inner {
     pub b: ::std::os::raw::c_int,
 }
@@ -43,11 +43,6 @@ fn bindgen_test_layout_s__bindgen_ty_1_inner() {
         )
     );
 }
-impl Clone for s__bindgen_ty_1_inner {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_s__bindgen_ty_1() {
     assert_eq!(
@@ -71,11 +66,6 @@ fn bindgen_test_layout_s__bindgen_ty_1() {
         )
     );
 }
-impl Clone for s__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for s__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -99,11 +89,6 @@ fn bindgen_test_layout_s() {
         concat!("Alignment of field: ", stringify!(s), "::", stringify!(u))
     );
 }
-impl Clone for s {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for s {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/base-to-derived.rs b/tests/expectations/tests/base-to-derived.rs
index 7042226cbf..9df54d982e 100644
--- a/tests/expectations/tests/base-to-derived.rs
+++ b/tests/expectations/tests/base-to-derived.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct false_type {
     pub _address: u8,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_false_type() {
         concat!("Alignment of ", stringify!(false_type))
     );
 }
-impl Clone for false_type {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/bitfield-32bit-overflow.rs b/tests/expectations/tests/bitfield-32bit-overflow.rs
index c90513717a..dfd5384775 100644
--- a/tests/expectations/tests/bitfield-32bit-overflow.rs
+++ b/tests/expectations/tests/bitfield-32bit-overflow.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct MuchBitfield {
     pub _bitfield_1: [u8; 5usize],
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout_MuchBitfield() {
         concat!("Alignment of ", stringify!(MuchBitfield))
     );
 }
-impl Clone for MuchBitfield {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl MuchBitfield {
     #[inline]
     pub fn m0(&self) -> ::std::os::raw::c_char {
diff --git a/tests/expectations/tests/bitfield-enum-basic.rs b/tests/expectations/tests/bitfield-enum-basic.rs
index b7c24fb2a1..84362d1232 100644
--- a/tests/expectations/tests/bitfield-enum-basic.rs
+++ b/tests/expectations/tests/bitfield-enum-basic.rs
@@ -102,7 +102,7 @@ impl ::std::ops::BitAndAssign for _bindgen_ty_1 {
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct _bindgen_ty_1(pub ::std::os::raw::c_uint);
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Dummy {
     pub _address: u8,
 }
@@ -150,8 +150,3 @@ fn bindgen_test_layout_Dummy() {
         concat!("Alignment of ", stringify!(Dummy))
     );
 }
-impl Clone for Dummy {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/bitfield-large.rs b/tests/expectations/tests/bitfield-large.rs
index facc7338b0..c3209ea5e4 100644
--- a/tests/expectations/tests/bitfield-large.rs
+++ b/tests/expectations/tests/bitfield-large.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct HasBigBitfield {
     pub _bitfield_1: [u8; 16usize],
 }
@@ -17,13 +17,8 @@ fn bindgen_test_layout_HasBigBitfield() {
         concat!("Size of: ", stringify!(HasBigBitfield))
     );
 }
-impl Clone for HasBigBitfield {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct HasTwoBigBitfields {
     pub _bitfield_1: [u8; 16usize],
 }
@@ -35,8 +30,3 @@ fn bindgen_test_layout_HasTwoBigBitfields() {
         concat!("Size of: ", stringify!(HasTwoBigBitfields))
     );
 }
-impl Clone for HasTwoBigBitfields {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/bitfield-method-same-name.rs b/tests/expectations/tests/bitfield-method-same-name.rs
index 9829e4b990..d202893f34 100644
--- a/tests/expectations/tests/bitfield-method-same-name.rs
+++ b/tests/expectations/tests/bitfield-method-same-name.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _bitfield_1: u8,
 }
@@ -34,11 +34,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3Foo8set_typeEc"]
     pub fn Foo_set_type(this: *mut Foo, c: ::std::os::raw::c_char);
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Foo {
     #[inline]
     pub fn type__bindgen_bitfield(&self) -> ::std::os::raw::c_char {
diff --git a/tests/expectations/tests/bitfield_align.rs b/tests/expectations/tests/bitfield_align.rs
index 559f5a38a2..aa718a741d 100644
--- a/tests/expectations/tests/bitfield_align.rs
+++ b/tests/expectations/tests/bitfield_align.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub x: ::std::os::raw::c_uchar,
     pub _bitfield_1: [u8; 2usize],
@@ -35,11 +35,6 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of field: ", stringify!(A), "::", stringify!(y))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl A {
     #[inline]
     pub fn b1(&self) -> ::std::os::raw::c_uint {
@@ -427,7 +422,7 @@ impl A {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct B {
     pub _bitfield_1: u32,
     pub __bindgen_align: [u32; 0usize],
@@ -445,11 +440,6 @@ fn bindgen_test_layout_B() {
         concat!("Alignment of ", stringify!(B))
     );
 }
-impl Clone for B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl B {
     #[inline]
     pub fn foo(&self) -> ::std::os::raw::c_uint {
@@ -530,7 +520,7 @@ impl B {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct C {
     pub x: ::std::os::raw::c_uchar,
     pub _bitfield_1: u8,
@@ -559,11 +549,6 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(baz))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl C {
     #[inline]
     pub fn b1(&self) -> ::std::os::raw::c_uint {
@@ -644,7 +629,7 @@ impl C {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Date1 {
     pub _bitfield_1: [u8; 3usize],
     pub __bindgen_padding_0: u8,
@@ -663,11 +648,6 @@ fn bindgen_test_layout_Date1() {
         concat!("Alignment of ", stringify!(Date1))
     );
 }
-impl Clone for Date1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Date1 {
     #[inline]
     pub fn nWeekDay(&self) -> ::std::os::raw::c_ushort {
@@ -827,7 +807,7 @@ impl Date1 {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Date2 {
     pub _bitfield_1: [u8; 4usize],
     pub __bindgen_align: [u16; 0usize],
@@ -845,11 +825,6 @@ fn bindgen_test_layout_Date2() {
         concat!("Alignment of ", stringify!(Date2))
     );
 }
-impl Clone for Date2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Date2 {
     #[inline]
     pub fn nWeekDay(&self) -> ::std::os::raw::c_ushort {
@@ -1047,7 +1022,7 @@ impl Date2 {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Date3 {
     pub _bitfield_1: [u8; 3usize],
     pub byte: ::std::os::raw::c_uchar,
@@ -1076,11 +1051,6 @@ fn bindgen_test_layout_Date3() {
         )
     );
 }
-impl Clone for Date3 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Date3 {
     #[inline]
     pub fn nWeekDay(&self) -> ::std::os::raw::c_ushort {
diff --git a/tests/expectations/tests/bitfield_align_2.rs b/tests/expectations/tests/bitfield_align_2.rs
index d6df314c3b..b10e126f23 100644
--- a/tests/expectations/tests/bitfield_align_2.rs
+++ b/tests/expectations/tests/bitfield_align_2.rs
@@ -13,7 +13,7 @@ pub enum MyEnum {
     FOUR = 3,
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct TaggedPtr {
     pub _bitfield_1: u64,
     pub __bindgen_align: [u64; 0usize],
@@ -31,11 +31,6 @@ fn bindgen_test_layout_TaggedPtr() {
         concat!("Alignment of ", stringify!(TaggedPtr))
     );
 }
-impl Clone for TaggedPtr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for TaggedPtr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/bitfield_large_overflow.rs b/tests/expectations/tests/bitfield_large_overflow.rs
index ee8a4449cd..e5b254cf76 100644
--- a/tests/expectations/tests/bitfield_large_overflow.rs
+++ b/tests/expectations/tests/bitfield_large_overflow.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct _bindgen_ty_1 {
     pub _bindgen_opaque_blob: [u64; 10usize],
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(_bindgen_ty_1))
     );
 }
-impl Clone for _bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}a"]
     pub static mut a: _bindgen_ty_1;
diff --git a/tests/expectations/tests/bitfield_method_mangling.rs b/tests/expectations/tests/bitfield_method_mangling.rs
index a56e57f00c..32e61e67f3 100644
--- a/tests/expectations/tests/bitfield_method_mangling.rs
+++ b/tests/expectations/tests/bitfield_method_mangling.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct mach_msg_type_descriptor_t {
     pub _bitfield_1: u32,
     pub __bindgen_align: [u32; 0usize],
@@ -23,11 +23,6 @@ fn bindgen_test_layout_mach_msg_type_descriptor_t() {
         concat!("Alignment of ", stringify!(mach_msg_type_descriptor_t))
     );
 }
-impl Clone for mach_msg_type_descriptor_t {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl mach_msg_type_descriptor_t {
     #[inline]
     pub fn pad3(&self) -> ::std::os::raw::c_uint {
diff --git a/tests/expectations/tests/c-empty-layout.rs b/tests/expectations/tests/c-empty-layout.rs
index 6542081093..a14022f54f 100644
--- a/tests/expectations/tests/c-empty-layout.rs
+++ b/tests/expectations/tests/c-empty-layout.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {}
 #[test]
 fn bindgen_test_layout_Foo() {
@@ -20,8 +20,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/canonical_path_without_namespacing.rs b/tests/expectations/tests/canonical_path_without_namespacing.rs
index cf14bf20de..02955e4414 100644
--- a/tests/expectations/tests/canonical_path_without_namespacing.rs
+++ b/tests/expectations/tests/canonical_path_without_namespacing.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub _address: u8,
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout_Bar() {
         concat!("Alignment of ", stringify!(Bar))
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}_Z3bazPN3foo3BarE"]
     pub fn baz(arg1: *mut Bar);
diff --git a/tests/expectations/tests/char.rs b/tests/expectations/tests/char.rs
index daad07b417..9f7834ae9b 100644
--- a/tests/expectations/tests/char.rs
+++ b/tests/expectations/tests/char.rs
@@ -8,7 +8,7 @@ pub type Char = ::std::os::raw::c_char;
 pub type SChar = ::std::os::raw::c_schar;
 pub type UChar = ::std::os::raw::c_uchar;
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Test {
     pub ch: ::std::os::raw::c_char,
     pub u: ::std::os::raw::c_uchar,
@@ -156,8 +156,3 @@ fn bindgen_test_layout_Test() {
         )
     );
 }
-impl Clone for Test {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/class.rs b/tests/expectations/tests/class.rs
index eb09d75303..784a42d32f 100644
--- a/tests/expectations/tests/class.rs
+++ b/tests/expectations/tests/class.rs
@@ -42,7 +42,7 @@ impl<T> ::std::clone::Clone for __IncompleteArrayField<T> {
 }
 impl<T> ::std::marker::Copy for __IncompleteArrayField<T> {}
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct C {
     pub a: ::std::os::raw::c_int,
     pub big_array: [::std::os::raw::c_char; 33usize],
@@ -75,11 +75,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -334,7 +329,7 @@ impl Default for IncompleteArrayNonCopiable {
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union Union {
     pub d: f32,
     pub i: ::std::os::raw::c_int,
@@ -373,18 +368,13 @@ fn bindgen_test_layout_Union() {
         )
     );
 }
-impl Clone for Union {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Union {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct WithUnion {
     pub data: Union,
 }
@@ -411,18 +401,13 @@ fn bindgen_test_layout_WithUnion() {
         )
     );
 }
-impl Clone for WithUnion {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithUnion {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct RealAbstractionWithTonsOfMethods {
     pub _address: u8,
 }
@@ -461,11 +446,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN32RealAbstractionWithTonsOfMethods3staEv"]
     pub fn RealAbstractionWithTonsOfMethods_sta();
 }
-impl Clone for RealAbstractionWithTonsOfMethods {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl RealAbstractionWithTonsOfMethods {
     #[inline]
     pub unsafe fn bar(&self) {
diff --git a/tests/expectations/tests/class_nested.rs b/tests/expectations/tests/class_nested.rs
index 32b01f86ff..e9d02479fb 100644
--- a/tests/expectations/tests/class_nested.rs
+++ b/tests/expectations/tests/class_nested.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A {
     pub member_a: ::std::os::raw::c_int,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A_B {
     pub member_b: ::std::os::raw::c_int,
 }
@@ -37,11 +37,6 @@ fn bindgen_test_layout_A_B() {
         )
     );
 }
-impl Clone for A_B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A_D<T> {
@@ -76,13 +71,8 @@ fn bindgen_test_layout_A() {
         )
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A_C {
     pub baz: ::std::os::raw::c_int,
 }
@@ -109,11 +99,6 @@ fn bindgen_test_layout_A_C() {
         )
     );
 }
-impl Clone for A_C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}var"]
     pub static mut var: A_B;
@@ -142,7 +127,7 @@ extern "C" {
     pub static mut baz: A_D<::std::os::raw::c_int>;
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct D {
     pub member: A_B,
 }
@@ -169,11 +154,6 @@ fn bindgen_test_layout_D() {
         )
     );
 }
-impl Clone for D {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Templated<T> {
diff --git a/tests/expectations/tests/class_no_members.rs b/tests/expectations/tests/class_no_members.rs
index c41f0b0433..01ae947423 100644
--- a/tests/expectations/tests/class_no_members.rs
+++ b/tests/expectations/tests/class_no_members.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct whatever {
     pub _address: u8,
 }
@@ -22,13 +22,8 @@ fn bindgen_test_layout_whatever() {
         concat!("Alignment of ", stringify!(whatever))
     );
 }
-impl Clone for whatever {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct whatever_child {
     pub _address: u8,
 }
@@ -45,13 +40,8 @@ fn bindgen_test_layout_whatever_child() {
         concat!("Alignment of ", stringify!(whatever_child))
     );
 }
-impl Clone for whatever_child {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct whatever_child_with_member {
     pub m_member: ::std::os::raw::c_int,
 }
@@ -78,8 +68,3 @@ fn bindgen_test_layout_whatever_child_with_member() {
         )
     );
 }
-impl Clone for whatever_child_with_member {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/class_static.rs b/tests/expectations/tests/class_static.rs
index e03938a033..c28366c134 100644
--- a/tests/expectations/tests/class_static.rs
+++ b/tests/expectations/tests/class_static.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct MyClass {
     pub _address: u8,
 }
@@ -30,11 +30,6 @@ fn bindgen_test_layout_MyClass() {
         concat!("Alignment of ", stringify!(MyClass))
     );
 }
-impl Clone for MyClass {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}_ZL26example_check_no_collision"]
     pub static mut example_check_no_collision: *const ::std::os::raw::c_int;
diff --git a/tests/expectations/tests/class_static_const.rs b/tests/expectations/tests/class_static_const.rs
index 945236de81..c0945c4337 100644
--- a/tests/expectations/tests/class_static_const.rs
+++ b/tests/expectations/tests/class_static_const.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A {
     pub _address: u8,
 }
@@ -25,8 +25,3 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of ", stringify!(A))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/class_use_as.rs b/tests/expectations/tests/class_use_as.rs
index af73ae3b2a..95b2a7fde0 100644
--- a/tests/expectations/tests/class_use_as.rs
+++ b/tests/expectations/tests/class_use_as.rs
@@ -7,7 +7,7 @@
 
 /// <div rustbindgen="true" replaces="whatever"></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct whatever {
     pub replacement: ::std::os::raw::c_int,
 }
@@ -34,13 +34,8 @@ fn bindgen_test_layout_whatever() {
         )
     );
 }
-impl Clone for whatever {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct container {
     pub c: whatever,
 }
@@ -67,8 +62,3 @@ fn bindgen_test_layout_container() {
         )
     );
 }
-impl Clone for container {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/class_with_inner_struct.rs b/tests/expectations/tests/class_with_inner_struct.rs
index f471a75710..4848bc1766 100644
--- a/tests/expectations/tests/class_with_inner_struct.rs
+++ b/tests/expectations/tests/class_with_inner_struct.rs
@@ -5,14 +5,14 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct A {
     pub c: ::std::os::raw::c_uint,
     pub named_union: A__bindgen_ty_1,
     pub __bindgen_anon_1: A__bindgen_ty_2,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct A_Segment {
     pub begin: ::std::os::raw::c_int,
     pub end: ::std::os::raw::c_int,
@@ -50,13 +50,8 @@ fn bindgen_test_layout_A_Segment() {
         )
     );
 }
-impl Clone for A_Segment {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union A__bindgen_ty_1 {
     pub f: ::std::os::raw::c_int,
     _bindgen_union_align: u32,
@@ -84,18 +79,13 @@ fn bindgen_test_layout_A__bindgen_ty_1() {
         )
     );
 }
-impl Clone for A__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for A__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union A__bindgen_ty_2 {
     pub d: ::std::os::raw::c_int,
     _bindgen_union_align: u32,
@@ -123,11 +113,6 @@ fn bindgen_test_layout_A__bindgen_ty_2() {
         )
     );
 }
-impl Clone for A__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for A__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -161,23 +146,18 @@ fn bindgen_test_layout_A() {
         )
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for A {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct B {
     pub d: ::std::os::raw::c_uint,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct B_Segment {
     pub begin: ::std::os::raw::c_int,
     pub end: ::std::os::raw::c_int,
@@ -215,11 +195,6 @@ fn bindgen_test_layout_B_Segment() {
         )
     );
 }
-impl Clone for B_Segment {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_B() {
     assert_eq!(
@@ -238,11 +213,6 @@ fn bindgen_test_layout_B() {
         concat!("Alignment of field: ", stringify!(B), "::", stringify!(d))
     );
 }
-impl Clone for B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(i32)]
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum StepSyntax {
@@ -252,20 +222,20 @@ pub enum StepSyntax {
     FunctionalWithEndKeyword = 3,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct C {
     pub d: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: C__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union C__bindgen_ty_1 {
     pub mFunc: C__bindgen_ty_1__bindgen_ty_1,
     pub __bindgen_anon_1: C__bindgen_ty_1__bindgen_ty_2,
     _bindgen_union_align: [u32; 4usize],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialEq)]
 pub struct C__bindgen_ty_1__bindgen_ty_1 {
     pub mX1: f32,
     pub mY1: f32,
@@ -325,13 +295,8 @@ fn bindgen_test_layout_C__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for C__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct C__bindgen_ty_1__bindgen_ty_2 {
     pub mStepSyntax: StepSyntax,
     pub mSteps: ::std::os::raw::c_uint,
@@ -369,11 +334,6 @@ fn bindgen_test_layout_C__bindgen_ty_1__bindgen_ty_2() {
         )
     );
 }
-impl Clone for C__bindgen_ty_1__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C__bindgen_ty_1__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -402,18 +362,13 @@ fn bindgen_test_layout_C__bindgen_ty_1() {
         )
     );
 }
-impl Clone for C__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct C_Segment {
     pub begin: ::std::os::raw::c_int,
     pub end: ::std::os::raw::c_int,
@@ -451,11 +406,6 @@ fn bindgen_test_layout_C_Segment() {
         )
     );
 }
-impl Clone for C_Segment {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_C() {
     assert_eq!(
@@ -474,11 +424,6 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(d))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/class_with_typedef.rs b/tests/expectations/tests/class_with_typedef.rs
index 90648fcc46..459d580c47 100644
--- a/tests/expectations/tests/class_with_typedef.rs
+++ b/tests/expectations/tests/class_with_typedef.rs
@@ -6,7 +6,7 @@
 
 pub type AnotherInt = ::std::os::raw::c_int;
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct C {
     pub c: C_MyInt,
     pub ptr: *mut C_MyInt,
@@ -75,11 +75,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN1C13anotherMethodEi"]
     pub fn C_anotherMethod(this: *mut C, c: AnotherInt);
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -104,7 +99,7 @@ impl C {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct D {
     pub _base: C,
     pub ptr: *mut C_MyInt,
@@ -127,11 +122,6 @@ fn bindgen_test_layout_D() {
         concat!("Alignment of field: ", stringify!(D), "::", stringify!(ptr))
     );
 }
-impl Clone for D {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for D {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/comment-indent.rs b/tests/expectations/tests/comment-indent.rs
index 3563da26db..4fe2b5eb50 100644
--- a/tests/expectations/tests/comment-indent.rs
+++ b/tests/expectations/tests/comment-indent.rs
@@ -12,7 +12,7 @@ pub mod root {
     ///
     /// This class is really really interesting, look!
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct Foo {
         pub _address: u8,
     }
@@ -20,7 +20,7 @@ pub mod root {
     ///
     /// This class is not so interesting, but worth a bit of docs too!
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct Foo_Bar {
         pub _address: u8,
     }
@@ -37,11 +37,6 @@ pub mod root {
             concat!("Alignment of ", stringify!(Foo_Bar))
         );
     }
-    impl Clone for Foo_Bar {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     #[test]
     fn bindgen_test_layout_Foo() {
         assert_eq!(
@@ -55,18 +50,13 @@ pub mod root {
             concat!("Alignment of ", stringify!(Foo))
         );
     }
-    impl Clone for Foo {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     pub mod test {
         #[allow(unused_imports)]
         use self::super::super::root;
         /// I'm in a namespace, and thus I may be on a rust module, most of the time.
         /// My documentation is pretty extensive, I guess.
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Baz {
             /// This member is plain awesome, just amazing.
             ///
@@ -100,16 +90,11 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Baz {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         /// I'm in an inline namespace, and as such I shouldn't get generated inside
         /// a rust module, except when the relevant option is specified. Also, this
         /// comment shouldn't be misaligned.
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct InInlineNS {
             pub _address: u8,
         }
@@ -126,14 +111,9 @@ pub mod root {
                 concat!("Alignment of ", stringify!(InInlineNS))
             );
         }
-        impl Clone for InInlineNS {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
 
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Bazz {
             pub _address: u8,
         }
@@ -150,10 +130,5 @@ pub mod root {
                 concat!("Alignment of ", stringify!(Bazz))
             );
         }
-        impl Clone for Bazz {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
 }
diff --git a/tests/expectations/tests/complex.rs b/tests/expectations/tests/complex.rs
index 67721d06fc..02c8714c5a 100644
--- a/tests/expectations/tests/complex.rs
+++ b/tests/expectations/tests/complex.rs
@@ -11,7 +11,7 @@ pub struct __BindgenComplex<T> {
     pub im: T,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialEq)]
 pub struct TestDouble {
     pub mMember: __BindgenComplex<f64>,
 }
@@ -38,13 +38,8 @@ fn bindgen_test_layout_TestDouble() {
         )
     );
 }
-impl Clone for TestDouble {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct TestDoublePtr {
     pub mMember: *mut __BindgenComplex<f64>,
 }
@@ -71,18 +66,13 @@ fn bindgen_test_layout_TestDoublePtr() {
         )
     );
 }
-impl Clone for TestDoublePtr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for TestDoublePtr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialEq)]
 pub struct TestFloat {
     pub mMember: __BindgenComplex<f32>,
 }
@@ -109,13 +99,8 @@ fn bindgen_test_layout_TestFloat() {
         )
     );
 }
-impl Clone for TestFloat {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct TestFloatPtr {
     pub mMember: *mut __BindgenComplex<f32>,
 }
@@ -142,11 +127,6 @@ fn bindgen_test_layout_TestFloatPtr() {
         )
     );
 }
-impl Clone for TestFloatPtr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for TestFloatPtr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/const_enum_unnamed.rs b/tests/expectations/tests/const_enum_unnamed.rs
index 2749321f59..539c8916c6 100644
--- a/tests/expectations/tests/const_enum_unnamed.rs
+++ b/tests/expectations/tests/const_enum_unnamed.rs
@@ -13,7 +13,7 @@ pub enum _bindgen_ty_1 {
     FOO_BAZ = 1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -36,8 +36,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/constify-all-enums.rs b/tests/expectations/tests/constify-all-enums.rs
index af13e079d8..3b37daf301 100644
--- a/tests/expectations/tests/constify-all-enums.rs
+++ b/tests/expectations/tests/constify-all-enums.rs
@@ -9,7 +9,7 @@ pub const foo_SHOULD_BE: foo = 1;
 pub const foo_A_CONSTANT: foo = 2;
 pub type foo = ::std::os::raw::c_uint;
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct bar {
     pub this_should_work: foo,
 }
@@ -36,11 +36,6 @@ fn bindgen_test_layout_bar() {
         )
     );
 }
-impl Clone for bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-basic.rs b/tests/expectations/tests/constify-module-enums-basic.rs
index bfe33c6b56..6c56e2ec52 100644
--- a/tests/expectations/tests/constify-module-enums-basic.rs
+++ b/tests/expectations/tests/constify-module-enums-basic.rs
@@ -13,7 +13,7 @@ pub mod foo {
 pub use self::foo::Type as foo_alias1;
 pub use self::foo_alias1 as foo_alias2;
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct bar {
     pub this_should_work: foo::Type,
 }
@@ -40,11 +40,6 @@ fn bindgen_test_layout_bar() {
         )
     );
 }
-impl Clone for bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-namespace.rs b/tests/expectations/tests/constify-module-enums-namespace.rs
index 0a44963f12..b09f837dd7 100644
--- a/tests/expectations/tests/constify-module-enums-namespace.rs
+++ b/tests/expectations/tests/constify-module-enums-namespace.rs
@@ -25,7 +25,7 @@ pub mod root {
             #[allow(unused_imports)]
             use self::super::super::super::root;
             #[repr(C)]
-            #[derive(Debug, Copy)]
+            #[derive(Debug, Copy, Clone)]
             pub struct bar {
                 pub this_should_work: root::ns1::ns2::foo::Type,
             }
@@ -52,11 +52,6 @@ pub mod root {
                     )
                 );
             }
-            impl Clone for bar {
-                fn clone(&self) -> Self {
-                    *self
-                }
-            }
             impl Default for bar {
                 fn default() -> Self {
                     unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-shadow-name.rs b/tests/expectations/tests/constify-module-enums-shadow-name.rs
index 58debcc682..1f2b4b2ffa 100644
--- a/tests/expectations/tests/constify-module-enums-shadow-name.rs
+++ b/tests/expectations/tests/constify-module-enums-shadow-name.rs
@@ -12,7 +12,7 @@ pub mod foo {
     pub const Type__: Type = 3;
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct bar {
     pub member: foo::Type,
 }
@@ -39,11 +39,6 @@ fn bindgen_test_layout_bar() {
         )
     );
 }
-impl Clone for bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-simple-alias.rs b/tests/expectations/tests/constify-module-enums-simple-alias.rs
index 75c952d7d2..0387ddd06d 100644
--- a/tests/expectations/tests/constify-module-enums-simple-alias.rs
+++ b/tests/expectations/tests/constify-module-enums-simple-alias.rs
@@ -14,7 +14,7 @@ pub use self::Foo::Type as Foo_alias1;
 pub use self::Foo_alias1 as Foo_alias2;
 pub use self::Foo_alias2 as Foo_alias3;
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Bar {
     pub baz1: Foo::Type,
     pub baz2: Foo_alias1,
@@ -118,11 +118,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-simple-nonamespace.rs b/tests/expectations/tests/constify-module-enums-simple-nonamespace.rs
index 32c173ef64..7fb4606f20 100644
--- a/tests/expectations/tests/constify-module-enums-simple-nonamespace.rs
+++ b/tests/expectations/tests/constify-module-enums-simple-nonamespace.rs
@@ -10,7 +10,7 @@ pub mod one_Foo {
     pub const Variant2: Type = 1;
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Bar {
     pub baz1: one_Foo::Type,
     pub baz2: *mut one_Foo::Type,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constify-module-enums-types.rs b/tests/expectations/tests/constify-module-enums-types.rs
index 2d516fe4d2..cc1f3d4cd6 100644
--- a/tests/expectations/tests/constify-module-enums-types.rs
+++ b/tests/expectations/tests/constify-module-enums-types.rs
@@ -37,7 +37,7 @@ pub use self::anon_enum::Type as anon_enum_alias1;
 pub use self::anon_enum_alias1 as anon_enum_alias2;
 pub use self::anon_enum_alias2 as anon_enum_alias3;
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct bar {
     pub member1: foo::Type,
     pub member2: foo_alias1,
@@ -163,18 +163,13 @@ fn bindgen_test_layout_bar() {
         )
     );
 }
-impl Clone for bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Baz {
     pub member1: ns2_Foo::Type,
 }
@@ -201,11 +196,6 @@ fn bindgen_test_layout_Baz() {
         )
     );
 }
-impl Clone for Baz {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Baz {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -217,7 +207,7 @@ pub mod one_Foo {
     pub const Variant2: Type = 1;
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Bar {
     pub baz: *mut one_Foo::Type,
 }
@@ -244,11 +234,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/constructor-tp.rs b/tests/expectations/tests/constructor-tp.rs
index 081abf8955..7336024850 100644
--- a/tests/expectations/tests/constructor-tp.rs
+++ b/tests/expectations/tests/constructor-tp.rs
@@ -10,7 +10,7 @@ pub struct Foo {
     pub _address: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub _address: u8,
 }
@@ -31,11 +31,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3BarC1Ev"]
     pub fn Bar_Bar(this: *mut Bar);
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Bar {
     #[inline]
     pub unsafe fn new() -> Self {
diff --git a/tests/expectations/tests/constructors.rs b/tests/expectations/tests/constructors.rs
index 8d0c8c2dcf..b20e3f44d5 100644
--- a/tests/expectations/tests/constructors.rs
+++ b/tests/expectations/tests/constructors.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct TestOverload {
     pub _address: u8,
 }
@@ -30,11 +30,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN12TestOverloadC1Ed"]
     pub fn TestOverload_TestOverload1(this: *mut TestOverload, arg1: f64);
 }
-impl Clone for TestOverload {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl TestOverload {
     #[inline]
     pub unsafe fn new(arg1: ::std::os::raw::c_int) -> Self {
@@ -50,7 +45,7 @@ impl TestOverload {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct TestPublicNoArgs {
     pub _address: u8,
 }
@@ -71,11 +66,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN16TestPublicNoArgsC1Ev"]
     pub fn TestPublicNoArgs_TestPublicNoArgs(this: *mut TestPublicNoArgs);
 }
-impl Clone for TestPublicNoArgs {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl TestPublicNoArgs {
     #[inline]
     pub unsafe fn new() -> Self {
diff --git a/tests/expectations/tests/convert-cpp-comment-to-rust.rs b/tests/expectations/tests/convert-cpp-comment-to-rust.rs
index 325682d11e..b471386a92 100644
--- a/tests/expectations/tests/convert-cpp-comment-to-rust.rs
+++ b/tests/expectations/tests/convert-cpp-comment-to-rust.rs
@@ -7,7 +7,7 @@
 pub type mbedtls_mpi_uint = ::std::os::raw::c_uint;
 /// \brief          MPI structure
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct mbedtls_mpi {
     /// <  integer sign
     pub s: ::std::os::raw::c_int,
@@ -59,11 +59,6 @@ fn bindgen_test_layout_mbedtls_mpi() {
         )
     );
 }
-impl Clone for mbedtls_mpi {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for mbedtls_mpi {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/convert-floats.rs b/tests/expectations/tests/convert-floats.rs
index 8d6f3b9255..87554a2c1a 100644
--- a/tests/expectations/tests/convert-floats.rs
+++ b/tests/expectations/tests/convert-floats.rs
@@ -11,7 +11,7 @@ pub struct __BindgenComplex<T> {
     pub im: T,
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct foo {
     pub bar: ::std::os::raw::c_float,
     pub baz: ::std::os::raw::c_float,
@@ -93,11 +93,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/cpp-empty-layout.rs b/tests/expectations/tests/cpp-empty-layout.rs
index f84a70055b..36cae7222f 100644
--- a/tests/expectations/tests/cpp-empty-layout.rs
+++ b/tests/expectations/tests/cpp-empty-layout.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/crtp.rs b/tests/expectations/tests/crtp.rs
index eb560b3b77..c56cceb2e8 100644
--- a/tests/expectations/tests/crtp.rs
+++ b/tests/expectations/tests/crtp.rs
@@ -10,7 +10,7 @@ pub struct Base {
     pub _address: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Derived {
     pub _address: u8,
 }
@@ -27,11 +27,6 @@ fn bindgen_test_layout_Derived() {
         concat!("Alignment of ", stringify!(Derived))
     );
 }
-impl Clone for Derived {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Default)]
 pub struct BaseWithDestructor {
diff --git a/tests/expectations/tests/derive-bitfield-method-same-name.rs b/tests/expectations/tests/derive-bitfield-method-same-name.rs
index 143a6ce40a..620508866c 100644
--- a/tests/expectations/tests/derive-bitfield-method-same-name.rs
+++ b/tests/expectations/tests/derive-bitfield-method-same-name.rs
@@ -9,7 +9,7 @@
 /// and --with-derive-partialeq --impl-partialeq --impl-debug is provided,
 /// this struct should manually implement `Debug` and `PartialEq`.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Foo {
     pub large: [::std::os::raw::c_int; 33usize],
     pub _bitfield_1: [u8; 2usize],
@@ -50,11 +50,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3Foo8set_typeEc"]
     pub fn Foo_set_type(this: *mut Foo, c: ::std::os::raw::c_char);
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-clone.rs b/tests/expectations/tests/derive-clone.rs
new file mode 100644
index 0000000000..356d93e336
--- /dev/null
+++ b/tests/expectations/tests/derive-clone.rs
@@ -0,0 +1,41 @@
+/* automatically generated by rust-bindgen */
+
+
+#![allow(dead_code, non_snake_case, non_camel_case_types, non_upper_case_globals)]
+
+
+
+/// This struct should derive `Clone`.
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct ShouldDeriveClone {
+    pub large: [::std::os::raw::c_int; 33usize],
+}
+#[test]
+fn bindgen_test_layout_ShouldDeriveClone() {
+    assert_eq!(
+        ::std::mem::size_of::<ShouldDeriveClone>(),
+        132usize,
+        concat!("Size of: ", stringify!(ShouldDeriveClone))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<ShouldDeriveClone>(),
+        4usize,
+        concat!("Alignment of ", stringify!(ShouldDeriveClone))
+    );
+    assert_eq!(
+        unsafe { &(*(0 as *const ShouldDeriveClone)).large as *const _ as usize },
+        0usize,
+        concat!(
+            "Alignment of field: ",
+            stringify!(ShouldDeriveClone),
+            "::",
+            stringify!(large)
+        )
+    );
+}
+impl Default for ShouldDeriveClone {
+    fn default() -> Self {
+        unsafe { ::std::mem::zeroed() }
+    }
+}
diff --git a/tests/expectations/tests/derive-clone_1_0.rs b/tests/expectations/tests/derive-clone_1_0.rs
new file mode 100644
index 0000000000..2ead68ee1d
--- /dev/null
+++ b/tests/expectations/tests/derive-clone_1_0.rs
@@ -0,0 +1,47 @@
+/* automatically generated by rust-bindgen */
+
+
+#![allow(dead_code, non_snake_case, non_camel_case_types, non_upper_case_globals)]
+
+
+
+/// Since builtin `Clone` impls were introduced in Rust 1.21 this struct
+/// should impl `Clone` "manually".
+#[repr(C)]
+#[derive(Copy)]
+pub struct ShouldImplClone {
+    pub large: [::std::os::raw::c_int; 33usize],
+}
+#[test]
+fn bindgen_test_layout_ShouldImplClone() {
+    assert_eq!(
+        ::std::mem::size_of::<ShouldImplClone>(),
+        132usize,
+        concat!("Size of: ", stringify!(ShouldImplClone))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<ShouldImplClone>(),
+        4usize,
+        concat!("Alignment of ", stringify!(ShouldImplClone))
+    );
+    assert_eq!(
+        unsafe { &(*(0 as *const ShouldImplClone)).large as *const _ as usize },
+        0usize,
+        concat!(
+            "Alignment of field: ",
+            stringify!(ShouldImplClone),
+            "::",
+            stringify!(large)
+        )
+    );
+}
+impl Clone for ShouldImplClone {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+impl Default for ShouldImplClone {
+    fn default() -> Self {
+        unsafe { ::std::mem::zeroed() }
+    }
+}
diff --git a/tests/expectations/tests/derive-debug-bitfield.rs b/tests/expectations/tests/derive-debug-bitfield.rs
index 53fcf716a3..d664a4bafe 100644
--- a/tests/expectations/tests/derive-debug-bitfield.rs
+++ b/tests/expectations/tests/derive-debug-bitfield.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct C {
     pub _bitfield_1: u8,
     pub large_array: [::std::os::raw::c_int; 50usize],
@@ -33,11 +33,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-debug-function-pointer.rs b/tests/expectations/tests/derive-debug-function-pointer.rs
index 5c929909c5..01ffe206ac 100644
--- a/tests/expectations/tests/derive-debug-function-pointer.rs
+++ b/tests/expectations/tests/derive-debug-function-pointer.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Nice {
     pub pointer: Nice_Function,
     pub large_array: [::std::os::raw::c_int; 34usize],
@@ -44,11 +44,6 @@ fn bindgen_test_layout_Nice() {
         )
     );
 }
-impl Clone for Nice {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Nice {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-fn-ptr.rs b/tests/expectations/tests/derive-fn-ptr.rs
index 096a67d510..382d906359 100644
--- a/tests/expectations/tests/derive-fn-ptr.rs
+++ b/tests/expectations/tests/derive-fn-ptr.rs
@@ -25,7 +25,7 @@ pub type my_fun_t = ::std::option::Option<
     ),
 >;
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Foo {
     pub callback: my_fun_t,
 }
@@ -52,11 +52,6 @@ fn bindgen_test_layout_Foo() {
         )
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -79,7 +74,7 @@ pub type my_fun2_t = ::std::option::Option<
     ),
 >;
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Bar {
     pub callback: my_fun2_t,
 }
@@ -106,11 +101,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-hash-struct-with-anon-struct-float.rs b/tests/expectations/tests/derive-hash-struct-with-anon-struct-float.rs
index 6436b69a93..b4f93f73ee 100644
--- a/tests/expectations/tests/derive-hash-struct-with-anon-struct-float.rs
+++ b/tests/expectations/tests/derive-hash-struct-with-anon-struct-float.rs
@@ -7,12 +7,12 @@
 
 /// A struct containing a struct containing a float that cannot derive Hash/Eq/Ord but can derive PartialEq/PartialOrd
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialOrd, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialOrd, PartialEq)]
 pub struct foo {
     pub bar: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialOrd, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialOrd, PartialEq)]
 pub struct foo__bindgen_ty_1 {
     pub a: f32,
     pub b: f32,
@@ -50,11 +50,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -78,8 +73,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/derive-hash-struct-with-float-array.rs b/tests/expectations/tests/derive-hash-struct-with-float-array.rs
index dd9acc6a1f..d736c11426 100644
--- a/tests/expectations/tests/derive-hash-struct-with-float-array.rs
+++ b/tests/expectations/tests/derive-hash-struct-with-float-array.rs
@@ -7,7 +7,7 @@
 
 /// A struct containing an array of floats that cannot derive Hash/Eq/Ord but can derive PartialEq/PartialOrd
 #[repr(C)]
-#[derive(Debug, Default, Copy, PartialOrd, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, PartialOrd, PartialEq)]
 pub struct foo {
     pub bar: [f32; 3usize],
 }
@@ -34,8 +34,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/derive-hash-struct-with-pointer.rs b/tests/expectations/tests/derive-hash-struct-with-pointer.rs
index b2ae7ab223..7ff50fcf5b 100644
--- a/tests/expectations/tests/derive-hash-struct-with-pointer.rs
+++ b/tests/expectations/tests/derive-hash-struct-with-pointer.rs
@@ -7,7 +7,7 @@
 
 /// Pointers can derive Hash/PartialOrd/Ord/PartialEq/Eq
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct ConstPtrMutObj {
     pub bar: *const ::std::os::raw::c_int,
 }
@@ -34,18 +34,13 @@ fn bindgen_test_layout_ConstPtrMutObj() {
         )
     );
 }
-impl Clone for ConstPtrMutObj {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ConstPtrMutObj {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct MutPtrMutObj {
     pub bar: *mut ::std::os::raw::c_int,
 }
@@ -72,18 +67,13 @@ fn bindgen_test_layout_MutPtrMutObj() {
         )
     );
 }
-impl Clone for MutPtrMutObj {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for MutPtrMutObj {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct MutPtrConstObj {
     pub bar: *const ::std::os::raw::c_int,
 }
@@ -110,18 +100,13 @@ fn bindgen_test_layout_MutPtrConstObj() {
         )
     );
 }
-impl Clone for MutPtrConstObj {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for MutPtrConstObj {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct ConstPtrConstObj {
     pub bar: *const ::std::os::raw::c_int,
 }
@@ -148,11 +133,6 @@ fn bindgen_test_layout_ConstPtrConstObj() {
         )
     );
 }
-impl Clone for ConstPtrConstObj {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ConstPtrConstObj {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-hash-template-inst-float.rs b/tests/expectations/tests/derive-hash-template-inst-float.rs
index 6473bebaab..4fd935aa71 100644
--- a/tests/expectations/tests/derive-hash-template-inst-float.rs
+++ b/tests/expectations/tests/derive-hash-template-inst-float.rs
@@ -19,7 +19,7 @@ impl<T> Default for foo<T> {
 }
 /// Can derive Hash/PartialOrd/Ord/PartialEq/Eq when instantiated with int
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialOrd, Ord, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub struct IntStr {
     pub a: foo<::std::os::raw::c_int>,
 }
@@ -46,11 +46,6 @@ fn bindgen_test_layout_IntStr() {
         )
     );
 }
-impl Clone for IntStr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for IntStr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -58,7 +53,7 @@ impl Default for IntStr {
 }
 /// Cannot derive Hash/Eq/Ord when instantiated with float but can derive PartialEq/PartialOrd
 #[repr(C)]
-#[derive(Debug, Copy, PartialOrd, PartialEq)]
+#[derive(Debug, Copy, Clone, PartialOrd, PartialEq)]
 pub struct FloatStr {
     pub a: foo<f32>,
 }
@@ -85,11 +80,6 @@ fn bindgen_test_layout_FloatStr() {
         )
     );
 }
-impl Clone for FloatStr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for FloatStr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-anonfield.rs b/tests/expectations/tests/derive-partialeq-anonfield.rs
index 6e3446d52f..73972d70d7 100644
--- a/tests/expectations/tests/derive-partialeq-anonfield.rs
+++ b/tests/expectations/tests/derive-partialeq-anonfield.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_mbuf {
     pub __bindgen_anon_1: rte_mbuf__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_1 {
     _bindgen_union_align: [u8; 0usize],
 }
@@ -27,11 +27,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(rte_mbuf__bindgen_ty_1))
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -45,11 +40,6 @@ fn bindgen_test_layout_rte_mbuf() {
         concat!("Size of: ", stringify!(rte_mbuf))
     );
 }
-impl Clone for rte_mbuf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-base.rs b/tests/expectations/tests/derive-partialeq-base.rs
index 1235665522..cb86ebe68d 100644
--- a/tests/expectations/tests/derive-partialeq-base.rs
+++ b/tests/expectations/tests/derive-partialeq-base.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Base {
     pub large: [::std::os::raw::c_int; 33usize],
 }
@@ -32,11 +32,6 @@ fn bindgen_test_layout_Base() {
         )
     );
 }
-impl Clone for Base {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Base {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -48,7 +43,7 @@ impl ::std::cmp::PartialEq for Base {
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct ShouldDerivePartialEq {
     pub _base: Base,
 }
@@ -65,11 +60,6 @@ fn bindgen_test_layout_ShouldDerivePartialEq() {
         concat!("Alignment of ", stringify!(ShouldDerivePartialEq))
     );
 }
-impl Clone for ShouldDerivePartialEq {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ShouldDerivePartialEq {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-bitfield.rs b/tests/expectations/tests/derive-partialeq-bitfield.rs
index bc7e750ea5..b9e2db2917 100644
--- a/tests/expectations/tests/derive-partialeq-bitfield.rs
+++ b/tests/expectations/tests/derive-partialeq-bitfield.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct C {
     pub _bitfield_1: u8,
     pub large_array: [::std::os::raw::c_int; 50usize],
@@ -33,11 +33,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-core.rs b/tests/expectations/tests/derive-partialeq-core.rs
index 1660f17877..7b925fba7b 100644
--- a/tests/expectations/tests/derive-partialeq-core.rs
+++ b/tests/expectations/tests/derive-partialeq-core.rs
@@ -6,7 +6,7 @@
 extern crate core;
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct C {
     pub large_array: [::std::os::raw::c_int; 420usize],
 }
@@ -33,11 +33,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::core::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-pointer.rs b/tests/expectations/tests/derive-partialeq-pointer.rs
index b1d3f04c6d..52a4bf7149 100644
--- a/tests/expectations/tests/derive-partialeq-pointer.rs
+++ b/tests/expectations/tests/derive-partialeq-pointer.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Bar {
     pub b: *mut a,
 }
@@ -27,23 +27,18 @@ fn bindgen_test_layout_Bar() {
         concat!("Alignment of field: ", stringify!(Bar), "::", stringify!(b))
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct c {
     pub __bindgen_anon_1: c__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union c__bindgen_ty_1 {
     _bindgen_union_align: u8,
     pub _address: u8,
@@ -61,11 +56,6 @@ fn bindgen_test_layout_c__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(c__bindgen_ty_1))
     );
 }
-impl Clone for c__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for c__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -84,18 +74,13 @@ fn bindgen_test_layout_c() {
         concat!("Alignment of ", stringify!(c))
     );
 }
-impl Clone for c {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for c {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct a {
     pub d: c,
 }
@@ -117,11 +102,6 @@ fn bindgen_test_layout_a() {
         concat!("Alignment of field: ", stringify!(a), "::", stringify!(d))
     );
 }
-impl Clone for a {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for a {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/derive-partialeq-union.rs b/tests/expectations/tests/derive-partialeq-union.rs
index 975dee3670..c264206287 100644
--- a/tests/expectations/tests/derive-partialeq-union.rs
+++ b/tests/expectations/tests/derive-partialeq-union.rs
@@ -7,7 +7,7 @@
 
 /// Deriving PartialEq for rust unions is not supported.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union ShouldNotDerivePartialEq {
     pub a: ::std::os::raw::c_char,
     pub b: ::std::os::raw::c_int,
@@ -46,11 +46,6 @@ fn bindgen_test_layout_ShouldNotDerivePartialEq() {
         )
     );
 }
-impl Clone for ShouldNotDerivePartialEq {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ShouldNotDerivePartialEq {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/doggo-or-null.rs b/tests/expectations/tests/doggo-or-null.rs
index 002e44750f..2da07dedb0 100644
--- a/tests/expectations/tests/doggo-or-null.rs
+++ b/tests/expectations/tests/doggo-or-null.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct Doggo {
     pub x: ::std::os::raw::c_int,
 }
@@ -32,13 +32,8 @@ fn bindgen_test_layout_Doggo() {
         )
     );
 }
-impl Clone for Doggo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct Null {
     pub _address: u8,
 }
@@ -55,11 +50,6 @@ fn bindgen_test_layout_Null() {
         concat!("Alignment of ", stringify!(Null))
     );
 }
-impl Clone for Null {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// This type is an opaque union. Unions can't derive anything interesting like
 /// Debug or Default, even if their layout can, because it would require knowing
 /// which variant is in use. Opaque unions still end up as a `union` in the Rust
@@ -67,7 +57,7 @@ impl Clone for Null {
 /// probably emit an opaque struct for opaque unions... but until then, we have
 /// this test to make sure that opaque unions don't derive and still compile.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union DoggoOrNull {
     pub _bindgen_opaque_blob: u32,
 }
@@ -84,11 +74,6 @@ fn bindgen_test_layout_DoggoOrNull() {
         concat!("Alignment of ", stringify!(DoggoOrNull))
     );
 }
-impl Clone for DoggoOrNull {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for DoggoOrNull {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/duplicated-namespaces-definitions.rs b/tests/expectations/tests/duplicated-namespaces-definitions.rs
index d907a19cc0..9732849c81 100644
--- a/tests/expectations/tests/duplicated-namespaces-definitions.rs
+++ b/tests/expectations/tests/duplicated-namespaces-definitions.rs
@@ -12,7 +12,7 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Bar {
             pub foo: ::std::os::raw::c_int,
             pub baz: bool,
@@ -50,17 +50,12 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Bar {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
     pub mod bar {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Copy)]
+        #[derive(Debug, Copy, Clone)]
         pub struct Foo {
             pub ptr: *mut root::foo::Bar,
         }
@@ -87,11 +82,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Foo {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         impl Default for Foo {
             fn default() -> Self {
                 unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/enum_and_vtable_mangling.rs b/tests/expectations/tests/enum_and_vtable_mangling.rs
index d6b41610d1..ffdcedd5e6 100644
--- a/tests/expectations/tests/enum_and_vtable_mangling.rs
+++ b/tests/expectations/tests/enum_and_vtable_mangling.rs
@@ -15,7 +15,7 @@ pub enum _bindgen_ty_1 {
 #[repr(C)]
 pub struct C__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct C {
     pub vtable_: *const C__bindgen_vtable,
     pub i: ::std::os::raw::c_int,
@@ -38,11 +38,6 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(i))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/forward-declaration-autoptr.rs b/tests/expectations/tests/forward-declaration-autoptr.rs
index c5eeb88e8d..8ad45f10e9 100644
--- a/tests/expectations/tests/forward-declaration-autoptr.rs
+++ b/tests/expectations/tests/forward-declaration-autoptr.rs
@@ -21,7 +21,7 @@ impl<T> Default for RefPtr<T> {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Bar {
     pub m_member: RefPtr<Foo>,
 }
@@ -48,11 +48,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/forward_declared_complex_types.rs b/tests/expectations/tests/forward_declared_complex_types.rs
index a4eaa17c8f..ceab52d744 100644
--- a/tests/expectations/tests/forward_declared_complex_types.rs
+++ b/tests/expectations/tests/forward_declared_complex_types.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo_empty {
     pub _address: u8,
 }
@@ -22,18 +22,13 @@ fn bindgen_test_layout_Foo_empty() {
         concat!("Alignment of ", stringify!(Foo_empty))
     );
 }
-impl Clone for Foo_empty {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Copy, Clone)]
 pub struct Foo {
     _unused: [u8; 0],
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Bar {
     pub f: *mut Foo,
 }
@@ -55,11 +50,6 @@ fn bindgen_test_layout_Bar() {
         concat!("Alignment of field: ", stringify!(Bar), "::", stringify!(f))
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/forward_declared_struct.rs b/tests/expectations/tests/forward_declared_struct.rs
index 4450e65d59..001d6df096 100644
--- a/tests/expectations/tests/forward_declared_struct.rs
+++ b/tests/expectations/tests/forward_declared_struct.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct a {
     pub b: ::std::os::raw::c_int,
 }
@@ -27,13 +27,8 @@ fn bindgen_test_layout_a() {
         concat!("Alignment of field: ", stringify!(a), "::", stringify!(b))
     );
 }
-impl Clone for a {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct c {
     pub d: ::std::os::raw::c_int,
 }
@@ -55,8 +50,3 @@ fn bindgen_test_layout_c() {
         concat!("Alignment of field: ", stringify!(c), "::", stringify!(d))
     );
 }
-impl Clone for c {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/func_ptr_in_struct.rs b/tests/expectations/tests/func_ptr_in_struct.rs
index 55c75ff14e..5a2c00c73f 100644
--- a/tests/expectations/tests/func_ptr_in_struct.rs
+++ b/tests/expectations/tests/func_ptr_in_struct.rs
@@ -7,7 +7,7 @@
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum baz {}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Foo {
     pub bar: ::std::option::Option<
         unsafe extern "C" fn(x: ::std::os::raw::c_int, y: ::std::os::raw::c_int) -> baz,
@@ -36,11 +36,6 @@ fn bindgen_test_layout_Foo() {
         )
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/gen-constructors-neg.rs b/tests/expectations/tests/gen-constructors-neg.rs
index f84a70055b..36cae7222f 100644
--- a/tests/expectations/tests/gen-constructors-neg.rs
+++ b/tests/expectations/tests/gen-constructors-neg.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/gen-constructors.rs b/tests/expectations/tests/gen-constructors.rs
index 07fded03c2..cb2024a16b 100644
--- a/tests/expectations/tests/gen-constructors.rs
+++ b/tests/expectations/tests/gen-constructors.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -26,11 +26,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3FooC1Ei"]
     pub fn Foo_Foo(this: *mut Foo, a: ::std::os::raw::c_int);
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Foo {
     #[inline]
     pub unsafe fn new(a: ::std::os::raw::c_int) -> Self {
diff --git a/tests/expectations/tests/generate-inline.rs b/tests/expectations/tests/generate-inline.rs
index f4dafb45ac..48d8f4f898 100644
--- a/tests/expectations/tests/generate-inline.rs
+++ b/tests/expectations/tests/generate-inline.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -26,11 +26,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3Foo3barEv"]
     pub fn Foo_bar() -> ::std::os::raw::c_int;
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Foo {
     #[inline]
     pub unsafe fn bar() -> ::std::os::raw::c_int {
diff --git a/tests/expectations/tests/inherit-from-template-instantiation-with-vtable.rs b/tests/expectations/tests/inherit-from-template-instantiation-with-vtable.rs
index 365114ba86..cf8b283c4b 100644
--- a/tests/expectations/tests/inherit-from-template-instantiation-with-vtable.rs
+++ b/tests/expectations/tests/inherit-from-template-instantiation-with-vtable.rs
@@ -21,7 +21,7 @@ impl<T> Default for BaseWithVtable<T> {
 }
 /// This should not have an explicit vtable.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct DerivedWithNoVirtualMethods {
     pub _base: BaseWithVtable<*mut ::std::os::raw::c_char>,
 }
@@ -38,11 +38,6 @@ fn bindgen_test_layout_DerivedWithNoVirtualMethods() {
         concat!("Alignment of ", stringify!(DerivedWithNoVirtualMethods))
     );
 }
-impl Clone for DerivedWithNoVirtualMethods {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for DerivedWithNoVirtualMethods {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -50,7 +45,7 @@ impl Default for DerivedWithNoVirtualMethods {
 }
 /// This should not have an explicit vtable.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct DerivedWithVirtualMethods {
     pub _base: BaseWithVtable<*mut ::std::os::raw::c_char>,
 }
@@ -67,11 +62,6 @@ fn bindgen_test_layout_DerivedWithVirtualMethods() {
         concat!("Alignment of ", stringify!(DerivedWithVirtualMethods))
     );
 }
-impl Clone for DerivedWithVirtualMethods {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for DerivedWithVirtualMethods {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -93,7 +83,7 @@ impl<U> Default for BaseWithoutVtable<U> {
 pub struct DerivedWithVtable__bindgen_vtable(::std::os::raw::c_void);
 /// This should have an explicit vtable.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct DerivedWithVtable {
     pub vtable_: *const DerivedWithVtable__bindgen_vtable,
     pub _base: BaseWithoutVtable<*mut ::std::os::raw::c_char>,
@@ -111,11 +101,6 @@ fn bindgen_test_layout_DerivedWithVtable() {
         concat!("Alignment of ", stringify!(DerivedWithVtable))
     );
 }
-impl Clone for DerivedWithVtable {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for DerivedWithVtable {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -123,7 +108,7 @@ impl Default for DerivedWithVtable {
 }
 /// This should not have any vtable.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct DerivedWithoutVtable {
     pub _base: BaseWithoutVtable<*mut ::std::os::raw::c_char>,
 }
@@ -140,11 +125,6 @@ fn bindgen_test_layout_DerivedWithoutVtable() {
         concat!("Alignment of ", stringify!(DerivedWithoutVtable))
     );
 }
-impl Clone for DerivedWithoutVtable {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for DerivedWithoutVtable {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/inherit_typedef.rs b/tests/expectations/tests/inherit_typedef.rs
index 1c07e1df4c..49e842d7c6 100644
--- a/tests/expectations/tests/inherit_typedef.rs
+++ b/tests/expectations/tests/inherit_typedef.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -22,14 +22,9 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub type TypedefedFoo = Foo;
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub _address: u8,
 }
@@ -46,8 +41,3 @@ fn bindgen_test_layout_Bar() {
         concat!("Alignment of ", stringify!(Bar))
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/inline_namespace.rs b/tests/expectations/tests/inline_namespace.rs
index b31bbe04b2..ade3ce3bb6 100644
--- a/tests/expectations/tests/inline_namespace.rs
+++ b/tests/expectations/tests/inline_namespace.rs
@@ -14,7 +14,7 @@ pub mod root {
         pub type Ty = ::std::os::raw::c_int;
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct Bar {
         pub baz: root::foo::Ty,
     }
@@ -41,9 +41,4 @@ pub mod root {
             )
         );
     }
-    impl Clone for Bar {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/inline_namespace_conservative.rs b/tests/expectations/tests/inline_namespace_conservative.rs
index 39e156116e..7895a19f5f 100644
--- a/tests/expectations/tests/inline_namespace_conservative.rs
+++ b/tests/expectations/tests/inline_namespace_conservative.rs
@@ -19,7 +19,7 @@ pub mod root {
         pub type Ty = ::std::os::raw::c_longlong;
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct Bar {
         pub baz: root::foo::bar::Ty,
     }
@@ -46,9 +46,4 @@ pub mod root {
             )
         );
     }
-    impl Clone for Bar {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/inner_const.rs b/tests/expectations/tests/inner_const.rs
index 0a49c3f2ef..3ea87edb33 100644
--- a/tests/expectations/tests/inner_const.rs
+++ b/tests/expectations/tests/inner_const.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub bar: ::std::os::raw::c_int,
 }
@@ -40,8 +40,3 @@ fn bindgen_test_layout_Foo() {
         )
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/inner_template_self.rs b/tests/expectations/tests/inner_template_self.rs
index e58226595b..bf39e06514 100644
--- a/tests/expectations/tests/inner_template_self.rs
+++ b/tests/expectations/tests/inner_template_self.rs
@@ -16,7 +16,7 @@ impl Default for LinkedList {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct InstantiateIt {
     pub m_list: LinkedList,
 }
@@ -43,11 +43,6 @@ fn bindgen_test_layout_InstantiateIt() {
         )
     );
 }
-impl Clone for InstantiateIt {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for InstantiateIt {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/issue-1034.rs b/tests/expectations/tests/issue-1034.rs
index 9073d928f2..b0c4b52959 100644
--- a/tests/expectations/tests/issue-1034.rs
+++ b/tests/expectations/tests/issue-1034.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct S2 {
     pub _bitfield_1: u16,
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout_S2() {
         concat!("Alignment of ", stringify!(S2))
     );
 }
-impl Clone for S2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl S2 {
     #[inline]
     pub fn new_bitfield_1() -> u16 {
diff --git a/tests/expectations/tests/issue-372.rs b/tests/expectations/tests/issue-372.rs
index c2516bdacd..84a33cb9a7 100644
--- a/tests/expectations/tests/issue-372.rs
+++ b/tests/expectations/tests/issue-372.rs
@@ -9,7 +9,7 @@ pub mod root {
     #[allow(unused_imports)]
     use self::super::root;
     #[repr(C)]
-    #[derive(Debug, Copy)]
+    #[derive(Debug, Copy, Clone)]
     pub struct i {
         pub j: *mut root::i,
         pub k: *mut root::i,
@@ -43,18 +43,13 @@ pub mod root {
             concat!("Alignment of field: ", stringify!(i), "::", stringify!(l))
         );
     }
-    impl Clone for i {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     impl Default for i {
         fn default() -> Self {
             unsafe { ::std::mem::zeroed() }
         }
     }
     #[repr(C)]
-    #[derive(Debug, Copy)]
+    #[derive(Debug, Copy, Clone)]
     pub struct d {
         pub m: root::i,
     }
@@ -76,11 +71,6 @@ pub mod root {
             concat!("Alignment of field: ", stringify!(d), "::", stringify!(m))
         );
     }
-    impl Clone for d {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     impl Default for d {
         fn default() -> Self {
             unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/issue-410.rs b/tests/expectations/tests/issue-410.rs
index 938cd5979d..928701ef18 100644
--- a/tests/expectations/tests/issue-410.rs
+++ b/tests/expectations/tests/issue-410.rs
@@ -12,7 +12,7 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Value {
             pub _address: u8,
         }
@@ -33,11 +33,6 @@ pub mod root {
             #[link_name = "\u{1}_ZN2JS5Value1aE10JSWhyMagic"]
             pub fn Value_a(this: *mut root::JS::Value, arg1: root::JSWhyMagic);
         }
-        impl Clone for Value {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         impl Value {
             #[inline]
             pub unsafe fn a(&mut self, arg1: root::JSWhyMagic) {
diff --git a/tests/expectations/tests/issue-447.rs b/tests/expectations/tests/issue-447.rs
index 323da81eb3..11a99ad142 100644
--- a/tests/expectations/tests/issue-447.rs
+++ b/tests/expectations/tests/issue-447.rs
@@ -15,7 +15,7 @@ pub mod root {
             #[allow(unused_imports)]
             use self::super::super::super::root;
             #[repr(C)]
-            #[derive(Debug, Default, Copy)]
+            #[derive(Debug, Default, Copy, Clone)]
             pub struct GuardObjectNotifier {
                 pub _address: u8,
             }
@@ -32,15 +32,10 @@ pub mod root {
                     concat!("Alignment of ", stringify!(GuardObjectNotifier))
                 );
             }
-            impl Clone for GuardObjectNotifier {
-                fn clone(&self) -> Self {
-                    *self
-                }
-            }
         }
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct JSAutoCompartment {
         pub _address: u8,
     }
@@ -64,11 +59,6 @@ pub mod root {
             arg1: root::mozilla::detail::GuardObjectNotifier,
         );
     }
-    impl Clone for JSAutoCompartment {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     impl JSAutoCompartment {
         #[inline]
         pub unsafe fn new(arg1: root::mozilla::detail::GuardObjectNotifier) -> Self {
diff --git a/tests/expectations/tests/issue-569-non-type-template-params-causing-layout-test-failures.rs b/tests/expectations/tests/issue-569-non-type-template-params-causing-layout-test-failures.rs
index d3814fba69..b2ddf7138c 100644
--- a/tests/expectations/tests/issue-569-non-type-template-params-causing-layout-test-failures.rs
+++ b/tests/expectations/tests/issue-569-non-type-template-params-causing-layout-test-failures.rs
@@ -24,7 +24,7 @@ impl Default for JS_Base {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct JS_AutoIdVector {
     pub _base: JS_Base,
 }
@@ -41,11 +41,6 @@ fn bindgen_test_layout_JS_AutoIdVector() {
         concat!("Alignment of ", stringify!(JS_AutoIdVector))
     );
 }
-impl Clone for JS_AutoIdVector {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for JS_AutoIdVector {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/issue-573-layout-test-failures.rs b/tests/expectations/tests/issue-573-layout-test-failures.rs
index fba41d1a51..ba2ef976b3 100644
--- a/tests/expectations/tests/issue-573-layout-test-failures.rs
+++ b/tests/expectations/tests/issue-573-layout-test-failures.rs
@@ -10,7 +10,7 @@ pub struct Outer {
     pub i: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct AutoIdVector {
     pub ar: Outer,
 }
@@ -37,11 +37,6 @@ fn bindgen_test_layout_AutoIdVector() {
         )
     );
 }
-impl Clone for AutoIdVector {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn __bindgen_test_layout_Outer_open0_int_close0_instantiation() {
     assert_eq!(
diff --git a/tests/expectations/tests/issue-574-assertion-failure-in-codegen.rs b/tests/expectations/tests/issue-574-assertion-failure-in-codegen.rs
index e0554090ab..69a59d5a85 100644
--- a/tests/expectations/tests/issue-574-assertion-failure-in-codegen.rs
+++ b/tests/expectations/tests/issue-574-assertion-failure-in-codegen.rs
@@ -10,7 +10,7 @@ pub struct a {
     pub _address: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct _bindgen_ty_1 {
     pub ar: a,
 }
@@ -37,11 +37,6 @@ fn bindgen_test_layout__bindgen_ty_1() {
         )
     );
 }
-impl Clone for _bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}AutoIdVector"]
     pub static mut AutoIdVector: _bindgen_ty_1;
diff --git a/tests/expectations/tests/issue-584-stylo-template-analysis-panic.rs b/tests/expectations/tests/issue-584-stylo-template-analysis-panic.rs
index 433c0baddd..b6640998d7 100644
--- a/tests/expectations/tests/issue-584-stylo-template-analysis-panic.rs
+++ b/tests/expectations/tests/issue-584-stylo-template-analysis-panic.rs
@@ -6,7 +6,7 @@
 pub type RefPtr<T> = T;
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub _address: u8,
 }
@@ -24,11 +24,6 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of ", stringify!(A))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 pub struct e<c> {
     pub d: RefPtr<c>,
diff --git a/tests/expectations/tests/issue-639-typedef-anon-field.rs b/tests/expectations/tests/issue-639-typedef-anon-field.rs
index 2a48641f70..91f76531e8 100644
--- a/tests/expectations/tests/issue-639-typedef-anon-field.rs
+++ b/tests/expectations/tests/issue-639-typedef-anon-field.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub bar: Foo_Bar,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo_Bar {
     pub abc: ::std::os::raw::c_int,
 }
@@ -37,11 +37,6 @@ fn bindgen_test_layout_Foo_Bar() {
         )
     );
 }
-impl Clone for Foo_Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_Foo() {
     assert_eq!(
@@ -65,18 +60,13 @@ fn bindgen_test_layout_Foo() {
         )
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Baz {
     pub _address: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Baz_Bar {
     pub abc: ::std::os::raw::c_int,
 }
@@ -103,11 +93,6 @@ fn bindgen_test_layout_Baz_Bar() {
         )
     );
 }
-impl Clone for Baz_Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_Baz() {
     assert_eq!(
@@ -121,8 +106,3 @@ fn bindgen_test_layout_Baz() {
         concat!("Alignment of ", stringify!(Baz))
     );
 }
-impl Clone for Baz {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-643-inner-struct.rs b/tests/expectations/tests/issue-643-inner-struct.rs
index f0375cc8b4..ee5416e09f 100644
--- a/tests/expectations/tests/issue-643-inner-struct.rs
+++ b/tests/expectations/tests/issue-643-inner-struct.rs
@@ -50,7 +50,7 @@ pub struct rte_ring {
     pub ring: __IncompleteArrayField<*mut ::std::os::raw::c_void>,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct rte_ring_prod {
     pub watermark: ::std::os::raw::c_uint,
 }
@@ -77,13 +77,8 @@ fn bindgen_test_layout_rte_ring_prod() {
         )
     );
 }
-impl Clone for rte_ring_prod {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct rte_ring_cons {
     pub sc_dequeue: ::std::os::raw::c_uint,
 }
@@ -110,11 +105,6 @@ fn bindgen_test_layout_rte_ring_cons() {
         )
     );
 }
-impl Clone for rte_ring_cons {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_ring() {
     assert_eq!(
@@ -134,12 +124,7 @@ impl Default for rte_ring {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct rte_memzone {
     pub _address: u8,
 }
-impl Clone for rte_memzone {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-648-derive-debug-with-padding.rs b/tests/expectations/tests/issue-648-derive-debug-with-padding.rs
index 11c318a213..a3d594e0ee 100644
--- a/tests/expectations/tests/issue-648-derive-debug-with-padding.rs
+++ b/tests/expectations/tests/issue-648-derive-debug-with-padding.rs
@@ -10,7 +10,7 @@
 /// up with the reight alignment, we're waiting on `#[repr(align="N")]` to land
 /// in rustc).
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct NoDebug {
     pub c: ::std::os::raw::c_char,
     pub __bindgen_padding_0: [u8; 63usize],
@@ -33,11 +33,6 @@ fn bindgen_test_layout_NoDebug() {
         )
     );
 }
-impl Clone for NoDebug {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for NoDebug {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -53,7 +48,7 @@ impl ::std::cmp::PartialEq for NoDebug {
 /// we determine Debug derive-ability before we compute padding, which happens at
 /// codegen. (Again, we expect to get the alignment wrong for similar reasons.)
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct ShouldDeriveDebugButDoesNot {
     pub c: [::std::os::raw::c_char; 32usize],
     pub d: ::std::os::raw::c_char,
@@ -87,11 +82,6 @@ fn bindgen_test_layout_ShouldDeriveDebugButDoesNot() {
         )
     );
 }
-impl Clone for ShouldDeriveDebugButDoesNot {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ShouldDeriveDebugButDoesNot {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/issue-674-1.rs b/tests/expectations/tests/issue-674-1.rs
index ee71cc554d..fc9ebc11e2 100644
--- a/tests/expectations/tests/issue-674-1.rs
+++ b/tests/expectations/tests/issue-674-1.rs
@@ -19,7 +19,7 @@ pub mod root {
         pub type Maybe_ValueType<T> = T;
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct CapturingContentInfo {
         pub a: u8,
     }
@@ -46,9 +46,4 @@ pub mod root {
             )
         );
     }
-    impl Clone for CapturingContentInfo {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/issue-674-2.rs b/tests/expectations/tests/issue-674-2.rs
index 299909788e..07c9cc4a5c 100644
--- a/tests/expectations/tests/issue-674-2.rs
+++ b/tests/expectations/tests/issue-674-2.rs
@@ -19,7 +19,7 @@ pub mod root {
         pub type Rooted_ElementType<T> = T;
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct c {
         pub b: u8,
     }
@@ -41,13 +41,8 @@ pub mod root {
             concat!("Alignment of field: ", stringify!(c), "::", stringify!(b))
         );
     }
-    impl Clone for c {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct B {
         pub a: root::c,
     }
@@ -69,11 +64,6 @@ pub mod root {
             concat!("Alignment of field: ", stringify!(B), "::", stringify!(a))
         );
     }
-    impl Clone for B {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     #[repr(C)]
     #[derive(Debug, Default, Copy, Clone)]
     pub struct StaticRefPtr {
diff --git a/tests/expectations/tests/issue-674-3.rs b/tests/expectations/tests/issue-674-3.rs
index f98720aaee..1750cc0b24 100644
--- a/tests/expectations/tests/issue-674-3.rs
+++ b/tests/expectations/tests/issue-674-3.rs
@@ -15,7 +15,7 @@ pub mod root {
     }
     pub type nsRefPtrHashtable_UserDataType<PtrType> = *mut PtrType;
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct a {
         pub b: u8,
     }
@@ -37,13 +37,8 @@ pub mod root {
             concat!("Alignment of field: ", stringify!(a), "::", stringify!(b))
         );
     }
-    impl Clone for a {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct nsCSSValue {
         pub c: root::a,
     }
@@ -70,9 +65,4 @@ pub mod root {
             )
         );
     }
-    impl Clone for nsCSSValue {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/issue-691-template-parameter-virtual.rs b/tests/expectations/tests/issue-691-template-parameter-virtual.rs
index aef7ed4a72..4878c1fadf 100644
--- a/tests/expectations/tests/issue-691-template-parameter-virtual.rs
+++ b/tests/expectations/tests/issue-691-template-parameter-virtual.rs
@@ -7,7 +7,7 @@
 #[repr(C)]
 pub struct VirtualMethods__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct VirtualMethods {
     pub vtable_: *const VirtualMethods__bindgen_vtable,
 }
@@ -24,11 +24,6 @@ fn bindgen_test_layout_VirtualMethods() {
         concat!("Alignment of ", stringify!(VirtualMethods))
     );
 }
-impl Clone for VirtualMethods {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for VirtualMethods {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -40,7 +35,7 @@ pub struct Set {
     pub bar: ::std::os::raw::c_int,
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct ServoElementSnapshotTable {
     pub _base: Set,
 }
@@ -57,11 +52,6 @@ fn bindgen_test_layout_ServoElementSnapshotTable() {
         concat!("Alignment of ", stringify!(ServoElementSnapshotTable))
     );
 }
-impl Clone for ServoElementSnapshotTable {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ServoElementSnapshotTable {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/issue-739-pointer-wide-bitfield.rs b/tests/expectations/tests/issue-739-pointer-wide-bitfield.rs
index 30d59ab702..96963ba553 100644
--- a/tests/expectations/tests/issue-739-pointer-wide-bitfield.rs
+++ b/tests/expectations/tests/issue-739-pointer-wide-bitfield.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _bitfield_1: [u64; 4usize],
     pub __bindgen_align: [u64; 0usize],
@@ -23,8 +23,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-801-opaque-sloppiness.rs b/tests/expectations/tests/issue-801-opaque-sloppiness.rs
index 896a9a6ca5..3dde6e7302 100644
--- a/tests/expectations/tests/issue-801-opaque-sloppiness.rs
+++ b/tests/expectations/tests/issue-801-opaque-sloppiness.rs
@@ -10,7 +10,7 @@ pub struct A {
     _unused: [u8; 0],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct B {
     pub _bindgen_opaque_blob: u8,
 }
@@ -27,17 +27,12 @@ fn bindgen_test_layout_B() {
         concat!("Alignment of ", stringify!(B))
     );
 }
-impl Clone for B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     #[link_name = "\u{1}_ZN1B1aE"]
     pub static mut B_a: A;
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct C {
     pub b: B,
 }
@@ -59,8 +54,3 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(b))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-807-opaque-types-methods-being-generated.rs b/tests/expectations/tests/issue-807-opaque-types-methods-being-generated.rs
index 63ec6982b9..0807873b59 100644
--- a/tests/expectations/tests/issue-807-opaque-types-methods-being-generated.rs
+++ b/tests/expectations/tests/issue-807-opaque-types-methods-being-generated.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Pupper {
     pub _address: u8,
 }
@@ -22,13 +22,8 @@ fn bindgen_test_layout_Pupper() {
         concat!("Alignment of ", stringify!(Pupper))
     );
 }
-impl Clone for Pupper {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Doggo {
     pub _address: u8,
 }
@@ -45,13 +40,8 @@ fn bindgen_test_layout_Doggo() {
         concat!("Alignment of ", stringify!(Doggo))
     );
 }
-impl Clone for Doggo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct SuchWow {
     pub _address: u8,
 }
@@ -68,13 +58,8 @@ fn bindgen_test_layout_SuchWow() {
         concat!("Alignment of ", stringify!(SuchWow))
     );
 }
-impl Clone for SuchWow {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Opaque {
     pub _bindgen_opaque_blob: u8,
 }
@@ -99,11 +84,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN6OpaqueC1E6Pupper"]
     pub fn Opaque_Opaque(this: *mut Opaque, pup: Pupper);
 }
-impl Clone for Opaque {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Opaque {
     #[inline]
     pub unsafe fn eleven_out_of_ten(&mut self) -> SuchWow {
@@ -121,7 +101,7 @@ extern "C" {
     pub static mut Opaque_MAJESTIC_AF: Doggo;
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Whitelisted {
     pub some_member: Opaque,
 }
@@ -148,8 +128,3 @@ fn bindgen_test_layout_Whitelisted() {
         )
     );
 }
-impl Clone for Whitelisted {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-826-generating-methods-when-asked-not-to.rs b/tests/expectations/tests/issue-826-generating-methods-when-asked-not-to.rs
index f84a70055b..36cae7222f 100644
--- a/tests/expectations/tests/issue-826-generating-methods-when-asked-not-to.rs
+++ b/tests/expectations/tests/issue-826-generating-methods-when-asked-not-to.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-834.rs b/tests/expectations/tests/issue-834.rs
index 35f0c13fc2..a8014fb92e 100644
--- a/tests/expectations/tests/issue-834.rs
+++ b/tests/expectations/tests/issue-834.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct U {
     pub _address: u8,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_U() {
         concat!("Alignment of ", stringify!(U))
     );
 }
-impl Clone for U {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/issue-888-enum-var-decl-jump.rs b/tests/expectations/tests/issue-888-enum-var-decl-jump.rs
index 6d2b0c5e32..61cbfc3a48 100644
--- a/tests/expectations/tests/issue-888-enum-var-decl-jump.rs
+++ b/tests/expectations/tests/issue-888-enum-var-decl-jump.rs
@@ -12,7 +12,7 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Type {
             pub _address: u8,
         }
@@ -33,11 +33,6 @@ pub mod root {
                 concat!("Alignment of ", stringify!(Type))
             );
         }
-        impl Clone for Type {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
     pub enum a {}
diff --git a/tests/expectations/tests/issue_311.rs b/tests/expectations/tests/issue_311.rs
index a464442e45..b857537895 100644
--- a/tests/expectations/tests/issue_311.rs
+++ b/tests/expectations/tests/issue_311.rs
@@ -9,12 +9,12 @@ pub mod root {
     #[allow(unused_imports)]
     use self::super::root;
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct jsval_layout {
         pub __bindgen_anon_1: root::jsval_layout__bindgen_ty_1,
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct jsval_layout__bindgen_ty_1 {
         pub _address: u8,
     }
@@ -31,11 +31,6 @@ pub mod root {
             concat!("Alignment of ", stringify!(jsval_layout__bindgen_ty_1))
         );
     }
-    impl Clone for jsval_layout__bindgen_ty_1 {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     #[test]
     fn bindgen_test_layout_jsval_layout() {
         assert_eq!(
@@ -49,9 +44,4 @@ pub mod root {
             concat!("Alignment of ", stringify!(jsval_layout))
         );
     }
-    impl Clone for jsval_layout {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/jsval_layout_opaque.rs b/tests/expectations/tests/jsval_layout_opaque.rs
index c8e01a0c61..a422ffc052 100644
--- a/tests/expectations/tests/jsval_layout_opaque.rs
+++ b/tests/expectations/tests/jsval_layout_opaque.rs
@@ -72,7 +72,7 @@ pub enum JSWhyMagic {
     JS_WHY_MAGIC_COUNT = 18,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union jsval_layout {
     pub asBits: u64,
     pub debugView: jsval_layout__bindgen_ty_1,
@@ -84,7 +84,7 @@ pub union jsval_layout {
     _bindgen_union_align: u64,
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct jsval_layout__bindgen_ty_1 {
     pub _bitfield_1: u64,
     pub __bindgen_align: [u64; 0usize],
@@ -102,11 +102,6 @@ fn bindgen_test_layout_jsval_layout__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(jsval_layout__bindgen_ty_1))
     );
 }
-impl Clone for jsval_layout__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for jsval_layout__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -192,12 +187,12 @@ impl jsval_layout__bindgen_ty_1 {
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct jsval_layout__bindgen_ty_2 {
     pub payload: jsval_layout__bindgen_ty_2__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union jsval_layout__bindgen_ty_2__bindgen_ty_1 {
     pub i32: i32,
     pub u32: u32,
@@ -259,11 +254,6 @@ fn bindgen_test_layout_jsval_layout__bindgen_ty_2__bindgen_ty_1() {
         )
     );
 }
-impl Clone for jsval_layout__bindgen_ty_2__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for jsval_layout__bindgen_ty_2__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -292,11 +282,6 @@ fn bindgen_test_layout_jsval_layout__bindgen_ty_2() {
         )
     );
 }
-impl Clone for jsval_layout__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for jsval_layout__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -385,18 +370,13 @@ fn bindgen_test_layout_jsval_layout() {
         )
     );
 }
-impl Clone for jsval_layout {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for jsval_layout {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Value {
     pub data: jsval_layout,
 }
@@ -423,11 +403,6 @@ fn bindgen_test_layout_Value() {
         )
     );
 }
-impl Clone for Value {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Value {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/layout_align.rs b/tests/expectations/tests/layout_align.rs
index 9d883e3792..859416d76f 100644
--- a/tests/expectations/tests/layout_align.rs
+++ b/tests/expectations/tests/layout_align.rs
@@ -75,7 +75,7 @@ impl Default for rte_kni_fifo {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct rte_eth_link {
     /// < ETH_SPEED_NUM_
     pub link_speed: u32,
@@ -106,11 +106,6 @@ fn bindgen_test_layout_rte_eth_link() {
         )
     );
 }
-impl Clone for rte_eth_link {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl rte_eth_link {
     #[inline]
     pub fn link_duplex(&self) -> u16 {
diff --git a/tests/expectations/tests/layout_arp.rs b/tests/expectations/tests/layout_arp.rs
index 4f9145b6a8..d49a870b55 100644
--- a/tests/expectations/tests/layout_arp.rs
+++ b/tests/expectations/tests/layout_arp.rs
@@ -22,7 +22,7 @@ pub const ARP_OP_INVREPLY: ::std::os::raw::c_uint = 9;
 /// administrator and does not contain OUIs.
 /// See http://standards.ieee.org/regauth/groupmac/tutorial.html
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct ether_addr {
     /// < Addr bytes in tx order
     pub addr_bytes: [u8; 6usize],
@@ -50,14 +50,9 @@ fn bindgen_test_layout_ether_addr() {
         )
     );
 }
-impl Clone for ether_addr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// ARP header IPv4 payload.
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct arp_ipv4 {
     /// < sender hardware address
     pub arp_sha: ether_addr,
@@ -121,14 +116,9 @@ fn bindgen_test_layout_arp_ipv4() {
         )
     );
 }
-impl Clone for arp_ipv4 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// ARP header.
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct arp_hdr {
     pub arp_hrd: u16,
     pub arp_pro: u16,
@@ -210,8 +200,3 @@ fn bindgen_test_layout_arp_hdr() {
         )
     );
 }
-impl Clone for arp_hdr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/layout_array.rs b/tests/expectations/tests/layout_array.rs
index c1a1518799..7dcd507a5b 100644
--- a/tests/expectations/tests/layout_array.rs
+++ b/tests/expectations/tests/layout_array.rs
@@ -49,7 +49,7 @@ pub type rte_mempool_get_count = ::std::option::Option<
 >;
 /// Structure defining mempool operations structure
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_mempool_ops {
     /// < Name of mempool ops struct.
     pub name: [::std::os::raw::c_char; 32usize],
@@ -133,11 +133,6 @@ fn bindgen_test_layout_rte_mempool_ops() {
         )
     );
 }
-impl Clone for rte_mempool_ops {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mempool_ops {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -152,7 +147,7 @@ impl ::std::cmp::PartialEq for rte_mempool_ops {
 }
 /// The rte_spinlock_t type.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_spinlock_t {
     /// < lock status 0 = unlocked, 1 = locked
     pub locked: ::std::os::raw::c_int,
@@ -180,11 +175,6 @@ fn bindgen_test_layout_rte_spinlock_t() {
         )
     );
 }
-impl Clone for rte_spinlock_t {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// Structure storing the table of registered ops structs, each of which contain
 /// the function pointers for the mempool ops functions.
 /// Each process has its own storage for this ops struct array so that
@@ -193,7 +183,7 @@ impl Clone for rte_spinlock_t {
 /// any function pointers stored directly in the mempool struct would not be.
 /// This results in us simply having "ops_index" in the mempool struct.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_mempool_ops_table {
     /// < Spinlock for add/delete.
     pub sl: rte_spinlock_t,
@@ -241,11 +231,6 @@ fn bindgen_test_layout_rte_mempool_ops_table() {
         )
     );
 }
-impl Clone for rte_mempool_ops_table {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mempool_ops_table {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -253,7 +238,7 @@ impl Default for rte_mempool_ops_table {
 }
 /// Structure to hold malloc heap
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct malloc_heap {
     pub lock: rte_spinlock_t,
     pub free_head: [malloc_heap__bindgen_ty_1; 13usize],
@@ -261,7 +246,7 @@ pub struct malloc_heap {
     pub total_size: usize,
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct malloc_heap__bindgen_ty_1 {
     pub lh_first: *mut malloc_elem,
 }
@@ -288,11 +273,6 @@ fn bindgen_test_layout_malloc_heap__bindgen_ty_1() {
         )
     );
 }
-impl Clone for malloc_heap__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for malloc_heap__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -346,11 +326,6 @@ fn bindgen_test_layout_malloc_heap() {
         )
     );
 }
-impl Clone for malloc_heap {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for malloc_heap {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -363,12 +338,7 @@ impl ::std::cmp::PartialEq for malloc_heap {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct malloc_elem {
     pub _address: u8,
 }
-impl Clone for malloc_elem {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/layout_array_too_long.rs b/tests/expectations/tests/layout_array_too_long.rs
index 53c6d8c39a..6c8ec85083 100644
--- a/tests/expectations/tests/layout_array_too_long.rs
+++ b/tests/expectations/tests/layout_array_too_long.rs
@@ -20,7 +20,7 @@ pub enum _bindgen_ty_1 {
 }
 /// @internal fragmented mbuf
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ip_frag {
     /// < offset into the packet
     pub ofs: u16,
@@ -72,11 +72,6 @@ fn bindgen_test_layout_ip_frag() {
         )
     );
 }
-impl Clone for ip_frag {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -84,7 +79,7 @@ impl Default for ip_frag {
 }
 /// @internal <src addr, dst_addr, id> to uniquely indetify fragmented datagram.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ip_frag_key {
     /// < src address, first 8 bytes used for IPv4
     pub src_dst: [u64; 4usize],
@@ -136,15 +131,10 @@ fn bindgen_test_layout_ip_frag_key() {
         )
     );
 }
-impl Clone for ip_frag_key {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// @internal Fragmented packet to reassemble.
 /// First two entries in the frags[] array are for the last and first fragments.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct ip_frag_pkt {
     /// < LRU list
     pub lru: ip_frag_pkt__bindgen_ty_1,
@@ -163,7 +153,7 @@ pub struct ip_frag_pkt {
     pub __bindgen_padding_0: [u64; 6usize],
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ip_frag_pkt__bindgen_ty_1 {
     pub tqe_next: *mut ip_frag_pkt,
     pub tqe_prev: *mut *mut ip_frag_pkt,
@@ -201,11 +191,6 @@ fn bindgen_test_layout_ip_frag_pkt__bindgen_ty_1() {
         )
     );
 }
-impl Clone for ip_frag_pkt__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag_pkt__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -289,11 +274,6 @@ fn bindgen_test_layout_ip_frag_pkt() {
         )
     );
 }
-impl Clone for ip_frag_pkt {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag_pkt {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -308,12 +288,7 @@ impl ::std::cmp::PartialEq for ip_frag_pkt {
 }
 /// < fragment mbuf
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mbuf {
     pub _address: u8,
 }
-impl Clone for rte_mbuf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/layout_cmdline_token.rs b/tests/expectations/tests/layout_cmdline_token.rs
index be8414325e..ca4147f013 100644
--- a/tests/expectations/tests/layout_cmdline_token.rs
+++ b/tests/expectations/tests/layout_cmdline_token.rs
@@ -8,7 +8,7 @@
 /// Stores a pointer to the ops struct, and the offset: the place to
 /// write the parsed result in the destination structure.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct cmdline_token_hdr {
     pub ops: *mut cmdline_token_ops,
     pub offset: ::std::os::raw::c_uint,
@@ -46,11 +46,6 @@ fn bindgen_test_layout_cmdline_token_hdr() {
         )
     );
 }
-impl Clone for cmdline_token_hdr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for cmdline_token_hdr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -75,7 +70,7 @@ pub type cmdline_parse_token_hdr_t = cmdline_token_hdr;
 /// get_help() fills the dstbuf with the help for the token. It returns
 /// -1 on error and 0 on success.
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct cmdline_token_ops {
     /// parse(token ptr, buf, res pts, buf len)
     pub parse: ::std::option::Option<
@@ -162,11 +157,6 @@ fn bindgen_test_layout_cmdline_token_ops() {
         )
     );
 }
-impl Clone for cmdline_token_ops {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for cmdline_token_ops {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -185,7 +175,7 @@ pub enum cmdline_numtype {
     INT64 = 7,
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct cmdline_token_num_data {
     pub type_: cmdline_numtype,
 }
@@ -212,18 +202,13 @@ fn bindgen_test_layout_cmdline_token_num_data() {
         )
     );
 }
-impl Clone for cmdline_token_num_data {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for cmdline_token_num_data {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct cmdline_token_num {
     pub hdr: cmdline_token_hdr,
     pub num_data: cmdline_token_num_data,
@@ -261,11 +246,6 @@ fn bindgen_test_layout_cmdline_token_num() {
         )
     );
 }
-impl Clone for cmdline_token_num {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for cmdline_token_num {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/layout_eth_conf.rs b/tests/expectations/tests/layout_eth_conf.rs
index 5e17ec2a79..d5f1f1a540 100644
--- a/tests/expectations/tests/layout_eth_conf.rs
+++ b/tests/expectations/tests/layout_eth_conf.rs
@@ -52,7 +52,7 @@ pub enum rte_eth_rx_mq_mode {
 }
 /// A structure used to configure the RX features of an Ethernet port.
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_rxmode {
     /// The multi-queue packet distribution mode to be used, e.g. RSS.
     pub mq_mode: rte_eth_rx_mq_mode,
@@ -105,11 +105,6 @@ fn bindgen_test_layout_rte_eth_rxmode() {
         )
     );
 }
-impl Clone for rte_eth_rxmode {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_rxmode {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -475,7 +470,7 @@ pub enum rte_eth_tx_mq_mode {
 }
 /// A structure used to configure the TX features of an Ethernet port.
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_txmode {
     /// < TX multi-queues mode.
     pub mq_mode: rte_eth_tx_mq_mode,
@@ -516,11 +511,6 @@ fn bindgen_test_layout_rte_eth_txmode() {
         )
     );
 }
-impl Clone for rte_eth_txmode {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_txmode {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -662,7 +652,7 @@ impl rte_eth_txmode {
 /// types of IPv4/IPv6 packets to which the RSS hashing must be applied.
 /// Supplying an *rss_hf* equal to zero disables the RSS feature.
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_rss_conf {
     /// < If not NULL, 40-byte hash key.
     pub rss_key: *mut u8,
@@ -714,11 +704,6 @@ fn bindgen_test_layout_rte_eth_rss_conf() {
         )
     );
 }
-impl Clone for rte_eth_rss_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_rss_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -752,7 +737,7 @@ pub enum rte_eth_nb_pools {
 /// A default pool may be used, if desired, to route all traffic which
 /// does not match the vlan filter rules.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_eth_vmdq_dcb_conf {
     /// < With DCB, 16 or 32 pools
     pub nb_queue_pools: rte_eth_nb_pools,
@@ -767,7 +752,7 @@ pub struct rte_eth_vmdq_dcb_conf {
     pub dcb_tc: [u8; 8usize],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_vmdq_dcb_conf__bindgen_ty_1 {
     /// < The vlan id of the received frame
     pub vlan_id: u16,
@@ -812,11 +797,6 @@ fn bindgen_test_layout_rte_eth_vmdq_dcb_conf__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_dcb_conf__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_eth_vmdq_dcb_conf() {
     assert_eq!(
@@ -890,18 +870,13 @@ fn bindgen_test_layout_rte_eth_vmdq_dcb_conf() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_dcb_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_vmdq_dcb_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_dcb_rx_conf {
     /// < Possible DCB TCs, 4 or 8 TCs
     pub nb_tcs: rte_eth_nb_tcs,
@@ -941,18 +916,13 @@ fn bindgen_test_layout_rte_eth_dcb_rx_conf() {
         )
     );
 }
-impl Clone for rte_eth_dcb_rx_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_dcb_rx_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_vmdq_dcb_tx_conf {
     /// < With DCB, 16 or 32 pools.
     pub nb_queue_pools: rte_eth_nb_pools,
@@ -992,18 +962,13 @@ fn bindgen_test_layout_rte_eth_vmdq_dcb_tx_conf() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_dcb_tx_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_vmdq_dcb_tx_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_dcb_tx_conf {
     /// < Possible DCB TCs, 4 or 8 TCs.
     pub nb_tcs: rte_eth_nb_tcs,
@@ -1043,18 +1008,13 @@ fn bindgen_test_layout_rte_eth_dcb_tx_conf() {
         )
     );
 }
-impl Clone for rte_eth_dcb_tx_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_dcb_tx_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_vmdq_tx_conf {
     /// < VMDq mode, 64 pools.
     pub nb_queue_pools: rte_eth_nb_pools,
@@ -1082,18 +1042,13 @@ fn bindgen_test_layout_rte_eth_vmdq_tx_conf() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_tx_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_vmdq_tx_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_eth_vmdq_rx_conf {
     /// < VMDq only mode, 8 or 64 pools
     pub nb_queue_pools: rte_eth_nb_pools,
@@ -1111,7 +1066,7 @@ pub struct rte_eth_vmdq_rx_conf {
     pub pool_map: [rte_eth_vmdq_rx_conf__bindgen_ty_1; 64usize],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_vmdq_rx_conf__bindgen_ty_1 {
     /// < The vlan id of the received frame
     pub vlan_id: u16,
@@ -1156,11 +1111,6 @@ fn bindgen_test_layout_rte_eth_vmdq_rx_conf__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_rx_conf__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_eth_vmdq_rx_conf() {
     assert_eq!(
@@ -1244,11 +1194,6 @@ fn bindgen_test_layout_rte_eth_vmdq_rx_conf() {
         )
     );
 }
-impl Clone for rte_eth_vmdq_rx_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_vmdq_rx_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -1283,7 +1228,7 @@ pub enum rte_fdir_status_mode {
 }
 /// A structure used to define the input for IPV4 flow
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_ipv4_flow {
     /// < IPv4 source address in big endian.
     pub src_ip: u32,
@@ -1359,14 +1304,9 @@ fn bindgen_test_layout_rte_eth_ipv4_flow() {
         )
     );
 }
-impl Clone for rte_eth_ipv4_flow {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// A structure used to define the input for IPV6 flow
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_ipv6_flow {
     /// < IPv6 source address in big endian.
     pub src_ip: [u32; 4usize],
@@ -1442,15 +1382,10 @@ fn bindgen_test_layout_rte_eth_ipv6_flow() {
         )
     );
 }
-impl Clone for rte_eth_ipv6_flow {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// A structure used to configure FDIR masks that are used by the device
 /// to match the various fields of RX packet headers.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_fdir_masks {
     /// < Bit mask for vlan_tci in big endian
     pub vlan_tci_mask: u16,
@@ -1564,11 +1499,6 @@ fn bindgen_test_layout_rte_eth_fdir_masks() {
         )
     );
 }
-impl Clone for rte_eth_fdir_masks {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(u32)]
 /// Payload type
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
@@ -1583,7 +1513,7 @@ pub enum rte_eth_payload_type {
 /// A structure used to select bytes extracted from the protocol layers to
 /// flexible payload for filter
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_flex_payload_cfg {
     /// < Payload type
     pub type_: rte_eth_payload_type,
@@ -1622,11 +1552,6 @@ fn bindgen_test_layout_rte_eth_flex_payload_cfg() {
         )
     );
 }
-impl Clone for rte_eth_flex_payload_cfg {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_flex_payload_cfg {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -1635,7 +1560,7 @@ impl Default for rte_eth_flex_payload_cfg {
 /// A structure used to define FDIR masks for flexible payload
 /// for each flow type
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_fdir_flex_mask {
     pub flow_type: u16,
     pub mask: [u8; 16usize],
@@ -1673,15 +1598,10 @@ fn bindgen_test_layout_rte_eth_fdir_flex_mask() {
         )
     );
 }
-impl Clone for rte_eth_fdir_flex_mask {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// A structure used to define all flexible payload related setting
 /// include flex payload and flex mask
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_eth_fdir_flex_conf {
     /// < The number of following payload cfg
     pub nb_payloads: u16,
@@ -1743,11 +1663,6 @@ fn bindgen_test_layout_rte_eth_fdir_flex_conf() {
         )
     );
 }
-impl Clone for rte_eth_fdir_flex_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_fdir_flex_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -1758,7 +1673,7 @@ impl Default for rte_eth_fdir_flex_conf {
 ///
 /// If mode is RTE_FDIR_DISABLE, the pballoc value is ignored.
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_fdir_conf {
     /// < Flow Director mode.
     pub mode: rte_fdir_mode,
@@ -1844,11 +1759,6 @@ fn bindgen_test_layout_rte_fdir_conf() {
         )
     );
 }
-impl Clone for rte_fdir_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_fdir_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -1856,7 +1766,7 @@ impl Default for rte_fdir_conf {
 }
 /// A structure used to enable/disable specific device interrupts.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_intr_conf {
     /// enable/disable lsc interrupt. 0 (default) - disable, 1 enable
     pub lsc: u16,
@@ -1896,16 +1806,11 @@ fn bindgen_test_layout_rte_intr_conf() {
         )
     );
 }
-impl Clone for rte_intr_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// A structure used to configure an Ethernet port.
 /// Depending upon the RX multi-queue mode, extra advanced
 /// configuration settings may be needed.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_eth_conf {
     /// < bitmap of ETH_LINK_SPEED_XXX of speeds to be
     /// used. ETH_LINK_SPEED_FIXED disables link
@@ -1938,7 +1843,7 @@ pub struct rte_eth_conf {
     pub intr_conf: rte_intr_conf,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_eth_conf__bindgen_ty_1 {
     /// < Port RSS configuration
     pub rss_conf: rte_eth_rss_conf,
@@ -1999,18 +1904,13 @@ fn bindgen_test_layout_rte_eth_conf__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_eth_conf__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_conf__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_eth_conf__bindgen_ty_2 {
     pub vmdq_dcb_tx_conf: rte_eth_vmdq_dcb_tx_conf,
     pub dcb_tx_conf: rte_eth_dcb_tx_conf,
@@ -2062,11 +1962,6 @@ fn bindgen_test_layout_rte_eth_conf__bindgen_ty_2() {
         )
     );
 }
-impl Clone for rte_eth_conf__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_conf__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -2175,11 +2070,6 @@ fn bindgen_test_layout_rte_eth_conf() {
         )
     );
 }
-impl Clone for rte_eth_conf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_eth_conf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/layout_kni_mbuf.rs b/tests/expectations/tests/layout_kni_mbuf.rs
index facc85b244..e848c52e06 100644
--- a/tests/expectations/tests/layout_kni_mbuf.rs
+++ b/tests/expectations/tests/layout_kni_mbuf.rs
@@ -7,7 +7,7 @@
 pub const RTE_CACHE_LINE_MIN_SIZE: ::std::os::raw::c_uint = 64;
 pub const RTE_CACHE_LINE_SIZE: ::std::os::raw::c_uint = 64;
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_kni_mbuf {
     pub buf_addr: *mut ::std::os::raw::c_void,
     pub buf_physaddr: u64,
@@ -179,11 +179,6 @@ fn bindgen_test_layout_rte_kni_mbuf() {
         )
     );
 }
-impl Clone for rte_kni_mbuf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_kni_mbuf {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/layout_large_align_field.rs b/tests/expectations/tests/layout_large_align_field.rs
index 7c8ab86580..24034d9270 100644
--- a/tests/expectations/tests/layout_large_align_field.rs
+++ b/tests/expectations/tests/layout_large_align_field.rs
@@ -57,7 +57,7 @@ pub enum _bindgen_ty_1 {
 }
 /// @internal fragmented mbuf
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct ip_frag {
     /// < offset into the packet
     pub ofs: u16,
@@ -109,11 +109,6 @@ fn bindgen_test_layout_ip_frag() {
         )
     );
 }
-impl Clone for ip_frag {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -121,7 +116,7 @@ impl Default for ip_frag {
 }
 /// @internal <src addr, dst_addr, id> to uniquely indetify fragmented datagram.
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct ip_frag_key {
     /// < src address, first 8 bytes used for IPv4
     pub src_dst: [u64; 4usize],
@@ -173,15 +168,10 @@ fn bindgen_test_layout_ip_frag_key() {
         )
     );
 }
-impl Clone for ip_frag_key {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// @internal Fragmented packet to reassemble.
 /// First two entries in the frags[] array are for the last and first fragments.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct ip_frag_pkt {
     /// < LRU list
     pub lru: ip_frag_pkt__bindgen_ty_1,
@@ -200,7 +190,7 @@ pub struct ip_frag_pkt {
     pub __bindgen_padding_0: [u64; 6usize],
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct ip_frag_pkt__bindgen_ty_1 {
     pub tqe_next: *mut ip_frag_pkt,
     pub tqe_prev: *mut *mut ip_frag_pkt,
@@ -238,11 +228,6 @@ fn bindgen_test_layout_ip_frag_pkt__bindgen_ty_1() {
         )
     );
 }
-impl Clone for ip_frag_pkt__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag_pkt__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -326,18 +311,13 @@ fn bindgen_test_layout_ip_frag_pkt() {
         )
     );
 }
-impl Clone for ip_frag_pkt {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag_pkt {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct ip_pkt_list {
     pub tqh_first: *mut ip_frag_pkt,
     pub tqh_last: *mut *mut ip_frag_pkt,
@@ -375,11 +355,6 @@ fn bindgen_test_layout_ip_pkt_list() {
         )
     );
 }
-impl Clone for ip_pkt_list {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_pkt_list {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -387,7 +362,7 @@ impl Default for ip_pkt_list {
 }
 /// fragmentation table statistics
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct ip_frag_tbl_stat {
     /// < total # of find/insert attempts.
     pub find_num: u64,
@@ -471,11 +446,6 @@ fn bindgen_test_layout_ip_frag_tbl_stat() {
         )
     );
 }
-impl Clone for ip_frag_tbl_stat {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ip_frag_tbl_stat {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -633,12 +603,7 @@ impl Default for rte_ip_frag_tbl {
 }
 /// < fragment mbuf
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct rte_mbuf {
     pub _address: u8,
 }
-impl Clone for rte_mbuf {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/layout_mbuf.rs b/tests/expectations/tests/layout_mbuf.rs
index 90a367c6c7..1db17172dc 100644
--- a/tests/expectations/tests/layout_mbuf.rs
+++ b/tests/expectations/tests/layout_mbuf.rs
@@ -12,7 +12,7 @@ pub type MARKER8 = [u8; 0usize];
 pub type MARKER64 = [u64; 0usize];
 /// The atomic counter structure.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_atomic16_t {
     /// < An internal counter value.
     pub cnt: i16,
@@ -40,11 +40,6 @@ fn bindgen_test_layout_rte_atomic16_t() {
         )
     );
 }
-impl Clone for rte_atomic16_t {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// The generic rte_mbuf, containing a packet mbuf.
 #[repr(C)]
 pub struct rte_mbuf {
@@ -99,7 +94,7 @@ pub struct rte_mbuf {
 /// or non-atomic) is controlled by the CONFIG_RTE_MBUF_REFCNT_ATOMIC
 /// config option.
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_1 {
     /// < Atomically accessed refcnt
     pub refcnt_atomic: rte_atomic16_t,
@@ -140,18 +135,13 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_2 {
     /// < L2/L3/L4 and tunnel information.
     pub packet_type: u32,
@@ -159,7 +149,7 @@ pub union rte_mbuf__bindgen_ty_2 {
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mbuf__bindgen_ty_2__bindgen_ty_1 {
     pub _bitfield_1: [u8; 4usize],
     pub __bindgen_align: [u32; 0usize],
@@ -183,11 +173,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_2__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_2__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl rte_mbuf__bindgen_ty_2__bindgen_ty_1 {
     #[inline]
     pub fn l2_type(&self) -> u32 {
@@ -483,18 +468,13 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_2() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_3 {
     /// < RSS hash result if RSS enabled
     pub rss: u32,
@@ -507,20 +487,20 @@ pub union rte_mbuf__bindgen_ty_3 {
     _bindgen_union_align: [u32; 2usize],
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct rte_mbuf__bindgen_ty_3__bindgen_ty_1 {
     pub __bindgen_anon_1: rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1,
     pub hi: u32,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1 {
     pub __bindgen_anon_1: rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1__bindgen_ty_1,
     pub lo: u32,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1__bindgen_ty_1 {
     pub hash: u16,
     pub id: u16,
@@ -570,11 +550,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1__bindg
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1() {
     assert_eq!(
@@ -607,11 +582,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_3__bindgen_ty_1__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -646,18 +616,13 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_3__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_3__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_3__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mbuf__bindgen_ty_3__bindgen_ty_2 {
     pub lo: u32,
     pub hi: u32,
@@ -701,11 +666,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_3__bindgen_ty_2() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_3__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_rte_mbuf__bindgen_ty_3() {
     assert_eq!(
@@ -759,18 +719,13 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_3() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_3 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_3 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_4 {
     /// < Can be used for external metadata
     pub userdata: *mut ::std::os::raw::c_void,
@@ -811,18 +766,13 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_4() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_4 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_4 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union rte_mbuf__bindgen_ty_5 {
     /// < combined for easy fetch
     pub tx_offload: u64,
@@ -830,7 +780,7 @@ pub union rte_mbuf__bindgen_ty_5 {
     _bindgen_union_align: u64,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mbuf__bindgen_ty_5__bindgen_ty_1 {
     pub _bitfield_1: [u16; 4usize],
     pub __bindgen_align: [u64; 0usize],
@@ -854,11 +804,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_5__bindgen_ty_1() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_5__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl rte_mbuf__bindgen_ty_5__bindgen_ty_1 {
     #[inline]
     pub fn l2_len(&self) -> u64 {
@@ -1116,11 +1061,6 @@ fn bindgen_test_layout_rte_mbuf__bindgen_ty_5() {
         )
     );
 }
-impl Clone for rte_mbuf__bindgen_ty_5 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for rte_mbuf__bindgen_ty_5 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -1351,12 +1291,7 @@ impl Default for rte_mbuf {
 }
 /// < Pool from which mbuf was allocated.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct rte_mempool {
     pub _address: u8,
 }
-impl Clone for rte_mempool {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/libclang-3.8/auto.rs b/tests/expectations/tests/libclang-3.8/auto.rs
index b86a5c9e07..8db72d0fa8 100644
--- a/tests/expectations/tests/libclang-3.8/auto.rs
+++ b/tests/expectations/tests/libclang-3.8/auto.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -26,11 +26,6 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
diff --git a/tests/expectations/tests/libclang-3.8/call-conv-field.rs b/tests/expectations/tests/libclang-3.8/call-conv-field.rs
index 6bbffa1ace..b7d5128303 100644
--- a/tests/expectations/tests/libclang-3.8/call-conv-field.rs
+++ b/tests/expectations/tests/libclang-3.8/call-conv-field.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct JNINativeInterface_ {
     pub GetVersion: ::std::option::Option<
         unsafe extern "stdcall" fn(env: *mut ::std::os::raw::c_void)
@@ -46,11 +46,6 @@ fn bindgen_test_layout_JNINativeInterface_() {
         )
     );
 }
-impl Clone for JNINativeInterface_ {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for JNINativeInterface_ {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/libclang-3.8/const_bool.rs b/tests/expectations/tests/libclang-3.8/const_bool.rs
index 1f5fcf6398..356368426b 100644
--- a/tests/expectations/tests/libclang-3.8/const_bool.rs
+++ b/tests/expectations/tests/libclang-3.8/const_bool.rs
@@ -9,7 +9,7 @@ extern "C" {
     pub static mut k: bool;
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub _address: u8,
 }
@@ -30,11 +30,6 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of ", stringify!(A))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub type foo = bool;
 extern "C" {
     #[link_name = "\u{1}_ZL2k2"]
diff --git a/tests/expectations/tests/libclang-3.8/partial-specialization-and-inheritance.rs b/tests/expectations/tests/libclang-3.8/partial-specialization-and-inheritance.rs
index 960b5522f9..797d5f45ed 100644
--- a/tests/expectations/tests/libclang-3.8/partial-specialization-and-inheritance.rs
+++ b/tests/expectations/tests/libclang-3.8/partial-specialization-and-inheritance.rs
@@ -15,7 +15,7 @@ pub struct Derived {
     pub b: bool,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Usage {
     pub _address: u8,
 }
@@ -40,11 +40,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN5UsageC1Ev"]
     pub fn Usage_Usage(this: *mut Usage);
 }
-impl Clone for Usage {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Usage {
     #[inline]
     pub unsafe fn new() -> Self {
diff --git a/tests/expectations/tests/libclang-3.8/type_alias_template_specialized.rs b/tests/expectations/tests/libclang-3.8/type_alias_template_specialized.rs
index 590f491ab1..7b13bb7c33 100644
--- a/tests/expectations/tests/libclang-3.8/type_alias_template_specialized.rs
+++ b/tests/expectations/tests/libclang-3.8/type_alias_template_specialized.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Rooted {
     pub ptr: ::std::os::raw::c_int,
 }
@@ -32,10 +32,5 @@ fn bindgen_test_layout_Rooted() {
         )
     );
 }
-impl Clone for Rooted {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen replaces="MaybeWrapped"></div>
 pub type MaybeWrapped<a> = a;
diff --git a/tests/expectations/tests/libclang-3.9/auto.rs b/tests/expectations/tests/libclang-3.9/auto.rs
index 50acff2e93..2d7dfa3a85 100644
--- a/tests/expectations/tests/libclang-3.9/auto.rs
+++ b/tests/expectations/tests/libclang-3.9/auto.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -23,11 +23,6 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
diff --git a/tests/expectations/tests/libclang-3.9/call-conv-field.rs b/tests/expectations/tests/libclang-3.9/call-conv-field.rs
index 8896946e1f..a3c6fe6214 100644
--- a/tests/expectations/tests/libclang-3.9/call-conv-field.rs
+++ b/tests/expectations/tests/libclang-3.9/call-conv-field.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct JNINativeInterface_ {
     pub GetVersion: ::std::option::Option<
         unsafe extern "stdcall" fn(env: *mut ::std::os::raw::c_void)
@@ -46,11 +46,6 @@ fn bindgen_test_layout_JNINativeInterface_() {
         )
     );
 }
-impl Clone for JNINativeInterface_ {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for JNINativeInterface_ {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/libclang-3.9/const_bool.rs b/tests/expectations/tests/libclang-3.9/const_bool.rs
index 7106e0ab8d..14f5139400 100644
--- a/tests/expectations/tests/libclang-3.9/const_bool.rs
+++ b/tests/expectations/tests/libclang-3.9/const_bool.rs
@@ -6,7 +6,7 @@
 
 pub const k: bool = true;
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub _address: u8,
 }
@@ -24,10 +24,5 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of ", stringify!(A))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub type foo = bool;
 pub const k2: foo = true;
diff --git a/tests/expectations/tests/libclang-3.9/partial-specialization-and-inheritance.rs b/tests/expectations/tests/libclang-3.9/partial-specialization-and-inheritance.rs
index 416711ad4a..97d2eabe41 100644
--- a/tests/expectations/tests/libclang-3.9/partial-specialization-and-inheritance.rs
+++ b/tests/expectations/tests/libclang-3.9/partial-specialization-and-inheritance.rs
@@ -15,7 +15,7 @@ pub struct Derived {
     pub b: bool,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Usage {
     pub _address: u8,
 }
@@ -36,8 +36,3 @@ fn bindgen_test_layout_Usage() {
         concat!("Alignment of ", stringify!(Usage))
     );
 }
-impl Clone for Usage {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/libclang-3.9/type_alias_template_specialized.rs b/tests/expectations/tests/libclang-3.9/type_alias_template_specialized.rs
index 590f491ab1..7b13bb7c33 100644
--- a/tests/expectations/tests/libclang-3.9/type_alias_template_specialized.rs
+++ b/tests/expectations/tests/libclang-3.9/type_alias_template_specialized.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Rooted {
     pub ptr: ::std::os::raw::c_int,
 }
@@ -32,10 +32,5 @@ fn bindgen_test_layout_Rooted() {
         )
     );
 }
-impl Clone for Rooted {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen replaces="MaybeWrapped"></div>
 pub type MaybeWrapped<a> = a;
diff --git a/tests/expectations/tests/libclang-4/auto.rs b/tests/expectations/tests/libclang-4/auto.rs
index 1575d05129..2d7dfa3a85 100644
--- a/tests/expectations/tests/libclang-4/auto.rs
+++ b/tests/expectations/tests/libclang-4/auto.rs
@@ -5,20 +5,23 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
 pub const Foo_kFoo: bool = true;
 #[test]
 fn bindgen_test_layout_Foo() {
-    assert_eq!(::std::mem::size_of::<Foo>() , 1usize , concat ! (
-               "Size of: " , stringify ! ( Foo ) ));
-    assert_eq! (::std::mem::align_of::<Foo>() , 1usize , concat ! (
-                "Alignment of " , stringify ! ( Foo ) ));
-}
-impl Clone for Foo {
-    fn clone(&self) -> Self { *self }
+    assert_eq!(
+        ::std::mem::size_of::<Foo>(),
+        1usize,
+        concat!("Size of: ", stringify!(Foo))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<Foo>(),
+        1usize,
+        concat!("Alignment of ", stringify!(Foo))
+    );
 }
 #[repr(C)]
 #[derive(Debug, Default, Copy, Clone)]
diff --git a/tests/expectations/tests/libclang-4/call-conv-field.rs b/tests/expectations/tests/libclang-4/call-conv-field.rs
index 648560cf56..a3c6fe6214 100644
--- a/tests/expectations/tests/libclang-4/call-conv-field.rs
+++ b/tests/expectations/tests/libclang-4/call-conv-field.rs
@@ -5,36 +5,51 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct JNINativeInterface_ {
-    pub GetVersion: ::std::option::Option<unsafe extern "stdcall" fn(env:
-                                                                         *mut ::std::os::raw::c_void)
-                                              -> ::std::os::raw::c_int>,
+    pub GetVersion: ::std::option::Option<
+        unsafe extern "stdcall" fn(env: *mut ::std::os::raw::c_void)
+            -> ::std::os::raw::c_int,
+    >,
     pub __hack: ::std::os::raw::c_ulonglong,
 }
 #[test]
 fn bindgen_test_layout_JNINativeInterface_() {
-    assert_eq!(::std::mem::size_of::<JNINativeInterface_>() , 16usize , concat
-               ! ( "Size of: " , stringify ! ( JNINativeInterface_ ) ));
-    assert_eq! (::std::mem::align_of::<JNINativeInterface_>() , 8usize ,
-                concat ! (
-                "Alignment of " , stringify ! ( JNINativeInterface_ ) ));
-    assert_eq! (unsafe {
-                & ( * ( 0 as * const JNINativeInterface_ ) ) . GetVersion as *
-                const _ as usize } , 0usize , concat ! (
-                "Alignment of field: " , stringify ! ( JNINativeInterface_ ) ,
-                "::" , stringify ! ( GetVersion ) ));
-    assert_eq! (unsafe {
-                & ( * ( 0 as * const JNINativeInterface_ ) ) . __hack as *
-                const _ as usize } , 8usize , concat ! (
-                "Alignment of field: " , stringify ! ( JNINativeInterface_ ) ,
-                "::" , stringify ! ( __hack ) ));
-}
-impl Clone for JNINativeInterface_ {
-    fn clone(&self) -> Self { *self }
+    assert_eq!(
+        ::std::mem::size_of::<JNINativeInterface_>(),
+        16usize,
+        concat!("Size of: ", stringify!(JNINativeInterface_))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<JNINativeInterface_>(),
+        8usize,
+        concat!("Alignment of ", stringify!(JNINativeInterface_))
+    );
+    assert_eq!(
+        unsafe { &(*(0 as *const JNINativeInterface_)).GetVersion as *const _ as usize },
+        0usize,
+        concat!(
+            "Alignment of field: ",
+            stringify!(JNINativeInterface_),
+            "::",
+            stringify!(GetVersion)
+        )
+    );
+    assert_eq!(
+        unsafe { &(*(0 as *const JNINativeInterface_)).__hack as *const _ as usize },
+        8usize,
+        concat!(
+            "Alignment of field: ",
+            stringify!(JNINativeInterface_),
+            "::",
+            stringify!(__hack)
+        )
+    );
 }
 impl Default for JNINativeInterface_ {
-    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
+    fn default() -> Self {
+        unsafe { ::std::mem::zeroed() }
+    }
 }
 extern "stdcall" {
     #[link_name = "\u{1}_bar@0"]
diff --git a/tests/expectations/tests/libclang-4/const_bool.rs b/tests/expectations/tests/libclang-4/const_bool.rs
index fd0273aa70..14f5139400 100644
--- a/tests/expectations/tests/libclang-4/const_bool.rs
+++ b/tests/expectations/tests/libclang-4/const_bool.rs
@@ -6,20 +6,23 @@
 
 pub const k: bool = true;
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub _address: u8,
 }
 pub const A_k: bool = false;
 #[test]
 fn bindgen_test_layout_A() {
-    assert_eq!(::std::mem::size_of::<A>() , 1usize , concat ! (
-               "Size of: " , stringify ! ( A ) ));
-    assert_eq! (::std::mem::align_of::<A>() , 1usize , concat ! (
-                "Alignment of " , stringify ! ( A ) ));
-}
-impl Clone for A {
-    fn clone(&self) -> Self { *self }
+    assert_eq!(
+        ::std::mem::size_of::<A>(),
+        1usize,
+        concat!("Size of: ", stringify!(A))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<A>(),
+        1usize,
+        concat!("Alignment of ", stringify!(A))
+    );
 }
 pub type foo = bool;
 pub const k2: foo = true;
diff --git a/tests/expectations/tests/libclang-4/partial-specialization-and-inheritance.rs b/tests/expectations/tests/libclang-4/partial-specialization-and-inheritance.rs
index 1cb28c1429..97d2eabe41 100644
--- a/tests/expectations/tests/libclang-4/partial-specialization-and-inheritance.rs
+++ b/tests/expectations/tests/libclang-4/partial-specialization-and-inheritance.rs
@@ -15,7 +15,7 @@ pub struct Derived {
     pub b: bool,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Usage {
     pub _address: u8,
 }
@@ -25,11 +25,14 @@ extern "C" {
 }
 #[test]
 fn bindgen_test_layout_Usage() {
-    assert_eq!(::std::mem::size_of::<Usage>() , 1usize , concat ! (
-               "Size of: " , stringify ! ( Usage ) ));
-    assert_eq! (::std::mem::align_of::<Usage>() , 1usize , concat ! (
-                "Alignment of " , stringify ! ( Usage ) ));
-}
-impl Clone for Usage {
-    fn clone(&self) -> Self { *self }
+    assert_eq!(
+        ::std::mem::size_of::<Usage>(),
+        1usize,
+        concat!("Size of: ", stringify!(Usage))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<Usage>(),
+        1usize,
+        concat!("Alignment of ", stringify!(Usage))
+    );
 }
diff --git a/tests/expectations/tests/libclang-4/type_alias_template_specialized.rs b/tests/expectations/tests/libclang-4/type_alias_template_specialized.rs
index b8d4fbecf1..e0b8616d89 100644
--- a/tests/expectations/tests/libclang-4/type_alias_template_specialized.rs
+++ b/tests/expectations/tests/libclang-4/type_alias_template_specialized.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Rooted {
     pub ptr: MaybeWrapped<::std::os::raw::c_int>,
 }
@@ -32,11 +32,6 @@ fn bindgen_test_layout_Rooted() {
         )
     );
 }
-impl Clone for Rooted {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Rooted {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -51,8 +46,15 @@ fn __bindgen_test_layout_MaybeWrapped_open0_int_close0_instantiation() {
         4usize,
         concat!(
             "Size of template specialization: ",
-            stringify ! ( MaybeWrapped < :: std :: os :: raw :: c_int > )
+            stringify!(MaybeWrapped<::std::os::raw::c_int>)
+        )
+    );
+    assert_eq!(
+        ::std::mem::align_of::<MaybeWrapped<::std::os::raw::c_int>>(),
+        4usize,
+        concat!(
+            "Alignment of template specialization: ",
+            stringify!(MaybeWrapped<::std::os::raw::c_int>)
         )
     );
-    assert_eq ! ( :: std :: mem :: align_of :: < MaybeWrapped < :: std :: os :: raw :: c_int > > ( ) , 4usize , concat ! ( "Alignment of template specialization: " , stringify ! ( MaybeWrapped < :: std :: os :: raw :: c_int > ) ) );
 }
diff --git a/tests/expectations/tests/mangling-linux32.rs b/tests/expectations/tests/mangling-linux32.rs
index e237eeef19..7fe8f33a7f 100644
--- a/tests/expectations/tests/mangling-linux32.rs
+++ b/tests/expectations/tests/mangling-linux32.rs
@@ -8,7 +8,7 @@ extern "C" {
     pub fn foo();
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -29,8 +29,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/mangling-linux64.rs b/tests/expectations/tests/mangling-linux64.rs
index e237eeef19..7fe8f33a7f 100644
--- a/tests/expectations/tests/mangling-linux64.rs
+++ b/tests/expectations/tests/mangling-linux64.rs
@@ -8,7 +8,7 @@ extern "C" {
     pub fn foo();
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -29,8 +29,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/mangling-macos.rs b/tests/expectations/tests/mangling-macos.rs
index 39a020ad76..7835dd928c 100644
--- a/tests/expectations/tests/mangling-macos.rs
+++ b/tests/expectations/tests/mangling-macos.rs
@@ -9,7 +9,7 @@ extern "C" {
     pub fn foo();
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -30,8 +30,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/mangling-win32.rs b/tests/expectations/tests/mangling-win32.rs
index e21228a1e6..2d2d7fcdbd 100644
--- a/tests/expectations/tests/mangling-win32.rs
+++ b/tests/expectations/tests/mangling-win32.rs
@@ -9,7 +9,7 @@ extern "C" {
     pub fn foo();
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -30,8 +30,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/mangling-win64.rs b/tests/expectations/tests/mangling-win64.rs
index 747ccbf58f..0d9c49faf7 100644
--- a/tests/expectations/tests/mangling-win64.rs
+++ b/tests/expectations/tests/mangling-win64.rs
@@ -8,7 +8,7 @@ extern "C" {
     pub fn foo();
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -29,8 +29,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/method-mangling.rs b/tests/expectations/tests/method-mangling.rs
index eada760b5b..f2eb6f9802 100644
--- a/tests/expectations/tests/method-mangling.rs
+++ b/tests/expectations/tests/method-mangling.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -26,11 +26,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3Foo4typeEv"]
     pub fn Foo_type(this: *mut Foo) -> ::std::os::raw::c_int;
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Foo {
     #[inline]
     pub unsafe fn type_(&mut self) -> ::std::os::raw::c_int {
diff --git a/tests/expectations/tests/module-whitelisted.rs b/tests/expectations/tests/module-whitelisted.rs
index 0e1d5641e4..3f2d304e82 100644
--- a/tests/expectations/tests/module-whitelisted.rs
+++ b/tests/expectations/tests/module-whitelisted.rs
@@ -9,7 +9,7 @@ pub mod root {
     #[allow(unused_imports)]
     use self::super::root;
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct Test {
         pub _address: u8,
     }
@@ -26,9 +26,4 @@ pub mod root {
             concat!("Alignment of ", stringify!(Test))
         );
     }
-    impl Clone for Test {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/msvc-no-usr.rs b/tests/expectations/tests/msvc-no-usr.rs
index 848c656f6a..dfa378248e 100644
--- a/tests/expectations/tests/msvc-no-usr.rs
+++ b/tests/expectations/tests/msvc-no-usr.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub foo: usize,
 }
@@ -27,8 +27,3 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of field: ", stringify!(A), "::", stringify!(foo))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/multiple-inherit-empty-correct-layout.rs b/tests/expectations/tests/multiple-inherit-empty-correct-layout.rs
index 2af91b4c0d..86147bdd10 100644
--- a/tests/expectations/tests/multiple-inherit-empty-correct-layout.rs
+++ b/tests/expectations/tests/multiple-inherit-empty-correct-layout.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -22,13 +22,8 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub _address: u8,
 }
@@ -45,13 +40,8 @@ fn bindgen_test_layout_Bar() {
         concat!("Alignment of ", stringify!(Bar))
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Baz {
     pub _address: u8,
 }
@@ -68,8 +58,3 @@ fn bindgen_test_layout_Baz() {
         concat!("Alignment of ", stringify!(Baz))
     );
 }
-impl Clone for Baz {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/mutable.rs b/tests/expectations/tests/mutable.rs
index f7f580b2cb..7e841f7bd3 100644
--- a/tests/expectations/tests/mutable.rs
+++ b/tests/expectations/tests/mutable.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct C {
     pub m_member: ::std::os::raw::c_int,
     pub m_other: ::std::os::raw::c_int,
@@ -43,11 +43,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Default)]
 pub struct NonCopiable {
diff --git a/tests/expectations/tests/namespace.rs b/tests/expectations/tests/namespace.rs
index e6077152ff..13a9df0e78 100644
--- a/tests/expectations/tests/namespace.rs
+++ b/tests/expectations/tests/namespace.rs
@@ -29,7 +29,7 @@ pub mod root {
             pub fn foo();
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct A {
             pub b: root::whatever::whatever_int_t,
         }
@@ -57,11 +57,6 @@ pub mod root {
                 this: *mut root::_bindgen_mod_id_13::A,
             ) -> ::std::os::raw::c_int;
         }
-        impl Clone for A {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         impl A {
             #[inline]
             pub unsafe fn lets_hope_this_works(&mut self) -> ::std::os::raw::c_int {
diff --git a/tests/expectations/tests/nested.rs b/tests/expectations/tests/nested.rs
index a8c7775c5f..336723bbf0 100644
--- a/tests/expectations/tests/nested.rs
+++ b/tests/expectations/tests/nested.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Calc {
     pub w: ::std::os::raw::c_int,
 }
@@ -32,24 +32,19 @@ fn bindgen_test_layout_Calc() {
         )
     );
 }
-impl Clone for Calc {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Test {
     pub _address: u8,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Test_Size {
     pub mWidth: Test_Size_Dimension,
     pub mHeight: Test_Size_Dimension,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Test_Size_Dimension {
     pub _base: Calc,
 }
@@ -66,11 +61,6 @@ fn bindgen_test_layout_Test_Size_Dimension() {
         concat!("Alignment of ", stringify!(Test_Size_Dimension))
     );
 }
-impl Clone for Test_Size_Dimension {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_Test_Size() {
     assert_eq!(
@@ -104,11 +94,6 @@ fn bindgen_test_layout_Test_Size() {
         )
     );
 }
-impl Clone for Test_Size {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_Test() {
     assert_eq!(
@@ -122,8 +107,3 @@ fn bindgen_test_layout_Test() {
         concat!("Alignment of ", stringify!(Test))
     );
 }
-impl Clone for Test {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/nested_vtable.rs b/tests/expectations/tests/nested_vtable.rs
index 0da5289ed0..4082610644 100644
--- a/tests/expectations/tests/nested_vtable.rs
+++ b/tests/expectations/tests/nested_vtable.rs
@@ -7,7 +7,7 @@
 #[repr(C)]
 pub struct nsISupports__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct nsISupports {
     pub vtable_: *const nsISupports__bindgen_vtable,
 }
@@ -24,11 +24,6 @@ fn bindgen_test_layout_nsISupports() {
         concat!("Alignment of ", stringify!(nsISupports))
     );
 }
-impl Clone for nsISupports {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for nsISupports {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -39,7 +34,7 @@ extern "C" {
     pub fn nsISupports_QueryInterface(this: *mut ::std::os::raw::c_void) -> *mut nsISupports;
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct nsIRunnable {
     pub _base: nsISupports,
 }
@@ -56,18 +51,13 @@ fn bindgen_test_layout_nsIRunnable() {
         concat!("Alignment of ", stringify!(nsIRunnable))
     );
 }
-impl Clone for nsIRunnable {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for nsIRunnable {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Runnable {
     pub _base: nsIRunnable,
 }
@@ -84,11 +74,6 @@ fn bindgen_test_layout_Runnable() {
         concat!("Alignment of ", stringify!(Runnable))
     );
 }
-impl Clone for Runnable {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Runnable {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/nested_within_namespace.rs b/tests/expectations/tests/nested_within_namespace.rs
index d291a53738..0a494ba2e7 100644
--- a/tests/expectations/tests/nested_within_namespace.rs
+++ b/tests/expectations/tests/nested_within_namespace.rs
@@ -12,12 +12,12 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Bar {
             pub foo: ::std::os::raw::c_int,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Bar_Baz {
             pub foo: ::std::os::raw::c_int,
         }
@@ -44,11 +44,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Bar_Baz {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[test]
         fn bindgen_test_layout_Bar() {
             assert_eq!(
@@ -72,13 +67,8 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Bar {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Baz {
             pub baz: ::std::os::raw::c_int,
         }
@@ -105,10 +95,5 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Baz {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
 }
diff --git a/tests/expectations/tests/no-comments.rs b/tests/expectations/tests/no-comments.rs
index b097acd62d..0260e54861 100644
--- a/tests/expectations/tests/no-comments.rs
+++ b/tests/expectations/tests/no-comments.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub s: ::std::os::raw::c_int,
 }
@@ -27,8 +27,3 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of field: ", stringify!(Foo), "::", stringify!(s))
     );
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/no-partialeq-opaque.rs b/tests/expectations/tests/no-partialeq-opaque.rs
index 8fd5451fb3..1a7941623d 100644
--- a/tests/expectations/tests/no-partialeq-opaque.rs
+++ b/tests/expectations/tests/no-partialeq-opaque.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct NoPartialEq {
     pub _bindgen_opaque_blob: u32,
 }
@@ -22,8 +22,3 @@ fn bindgen_test_layout_NoPartialEq() {
         concat!("Alignment of ", stringify!(NoPartialEq))
     );
 }
-impl Clone for NoPartialEq {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/no-partialeq-whitelisted.rs b/tests/expectations/tests/no-partialeq-whitelisted.rs
index f07864cea8..fb1437f1fe 100644
--- a/tests/expectations/tests/no-partialeq-whitelisted.rs
+++ b/tests/expectations/tests/no-partialeq-whitelisted.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct NoPartialEq {
     pub i: ::std::os::raw::c_int,
 }
@@ -32,8 +32,3 @@ fn bindgen_test_layout_NoPartialEq() {
         )
     );
 }
-impl Clone for NoPartialEq {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/no-std.rs b/tests/expectations/tests/no-std.rs
index 252b51ff44..2708b21cfa 100644
--- a/tests/expectations/tests/no-std.rs
+++ b/tests/expectations/tests/no-std.rs
@@ -9,7 +9,7 @@ mod libc {
 }
 
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct foo {
     pub a: libc::c_int,
     pub b: libc::c_int,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::core::mem::zeroed() }
diff --git a/tests/expectations/tests/non-type-params.rs b/tests/expectations/tests/non-type-params.rs
index 4a6626a095..c20876dcd1 100644
--- a/tests/expectations/tests/non-type-params.rs
+++ b/tests/expectations/tests/non-type-params.rs
@@ -7,7 +7,7 @@
 pub type Array16 = u8;
 pub type ArrayInt4 = [u32; 4usize];
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct UsesArray {
     pub array_char_16: [u8; 16usize],
     pub array_bool_8: [u8; 8usize],
@@ -56,8 +56,3 @@ fn bindgen_test_layout_UsesArray() {
         )
     );
 }
-impl Clone for UsesArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/objc_interface_type.rs b/tests/expectations/tests/objc_interface_type.rs
index 446e638450..52cad57d53 100644
--- a/tests/expectations/tests/objc_interface_type.rs
+++ b/tests/expectations/tests/objc_interface_type.rs
@@ -11,7 +11,7 @@ pub type id = *mut objc::runtime::Object;
 pub trait Foo {}
 impl Foo for id {}
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct FooStruct {
     pub foo: *mut id,
 }
@@ -38,11 +38,6 @@ fn bindgen_test_layout_FooStruct() {
         )
     );
 }
-impl Clone for FooStruct {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for FooStruct {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/only_bitfields.rs b/tests/expectations/tests/only_bitfields.rs
index 4bc21afb67..5ac15b3859 100644
--- a/tests/expectations/tests/only_bitfields.rs
+++ b/tests/expectations/tests/only_bitfields.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct C {
     pub _bitfield_1: u8,
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of ", stringify!(C))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl C {
     #[inline]
     pub fn a(&self) -> bool {
diff --git a/tests/expectations/tests/opaque-template-inst-member-2.rs b/tests/expectations/tests/opaque-template-inst-member-2.rs
index 20b44d7e76..6cac967e7d 100644
--- a/tests/expectations/tests/opaque-template-inst-member-2.rs
+++ b/tests/expectations/tests/opaque-template-inst-member-2.rs
@@ -12,7 +12,7 @@
 pub struct OpaqueTemplate {}
 /// Should derive Debug/Hash/PartialEq.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ContainsOpaqueTemplate {
     pub mBlah: u32,
     pub mBaz: ::std::os::raw::c_int,
@@ -50,14 +50,9 @@ fn bindgen_test_layout_ContainsOpaqueTemplate() {
         )
     );
 }
-impl Clone for ContainsOpaqueTemplate {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// Should also derive Debug/Hash/PartialEq.
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct InheritsOpaqueTemplate {
     pub _base: u8,
     pub wow: *mut ::std::os::raw::c_char,
@@ -85,11 +80,6 @@ fn bindgen_test_layout_InheritsOpaqueTemplate() {
         )
     );
 }
-impl Clone for InheritsOpaqueTemplate {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for InheritsOpaqueTemplate {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/opaque-template-instantiation-namespaced.rs b/tests/expectations/tests/opaque-template-instantiation-namespaced.rs
index e541e64839..45d8a7d826 100644
--- a/tests/expectations/tests/opaque-template-instantiation-namespaced.rs
+++ b/tests/expectations/tests/opaque-template-instantiation-namespaced.rs
@@ -23,7 +23,7 @@ pub mod root {
             }
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct Foo {
             pub c: ::std::os::raw::c_char,
         }
@@ -45,13 +45,8 @@ pub mod root {
                 concat!("Alignment of field: ", stringify!(Foo), "::", stringify!(c))
             );
         }
-        impl Clone for Foo {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct Bar {
             pub i: ::std::os::raw::c_int,
         }
@@ -73,13 +68,8 @@ pub mod root {
                 concat!("Alignment of field: ", stringify!(Bar), "::", stringify!(i))
             );
         }
-        impl Clone for Bar {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct ContainsInstantiation {
             pub not_opaque: root::zoidberg::Template<root::zoidberg::Foo>,
         }
@@ -106,18 +96,13 @@ pub mod root {
                 )
             );
         }
-        impl Clone for ContainsInstantiation {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         impl Default for ContainsInstantiation {
             fn default() -> Self {
                 unsafe { ::std::mem::zeroed() }
             }
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct ContainsOpaqueInstantiation {
             pub opaque: u32,
         }
@@ -146,11 +131,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for ContainsOpaqueInstantiation {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
     #[test]
     fn __bindgen_test_layout_Template_open0_Foo_close0_instantiation() {
diff --git a/tests/expectations/tests/opaque-template-instantiation.rs b/tests/expectations/tests/opaque-template-instantiation.rs
index 779c32a60e..02788d769c 100644
--- a/tests/expectations/tests/opaque-template-instantiation.rs
+++ b/tests/expectations/tests/opaque-template-instantiation.rs
@@ -16,7 +16,7 @@ impl<T> Default for Template<T> {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ContainsInstantiation {
     pub not_opaque: Template<::std::os::raw::c_char>,
 }
@@ -43,18 +43,13 @@ fn bindgen_test_layout_ContainsInstantiation() {
         )
     );
 }
-impl Clone for ContainsInstantiation {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for ContainsInstantiation {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct ContainsOpaqueInstantiation {
     pub opaque: u32,
 }
@@ -81,11 +76,6 @@ fn bindgen_test_layout_ContainsOpaqueInstantiation() {
         )
     );
 }
-impl Clone for ContainsOpaqueInstantiation {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn __bindgen_test_layout_Template_open0_char_close0_instantiation() {
     assert_eq!(
diff --git a/tests/expectations/tests/opaque-tracing.rs b/tests/expectations/tests/opaque-tracing.rs
index 62f63c4298..87d91f3c4e 100644
--- a/tests/expectations/tests/opaque-tracing.rs
+++ b/tests/expectations/tests/opaque-tracing.rs
@@ -9,7 +9,7 @@ extern "C" {
     pub fn foo(c: *mut Container);
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Container {
     pub _bindgen_opaque_blob: [u32; 2usize],
 }
@@ -26,8 +26,3 @@ fn bindgen_test_layout_Container() {
         concat!("Alignment of ", stringify!(Container))
     );
 }
-impl Clone for Container {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/opaque_in_struct.rs b/tests/expectations/tests/opaque_in_struct.rs
index 49cfc5fc10..92d28e4d03 100644
--- a/tests/expectations/tests/opaque_in_struct.rs
+++ b/tests/expectations/tests/opaque_in_struct.rs
@@ -7,7 +7,7 @@
 
 /// <div rustbindgen opaque>
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct opaque {
     pub _bindgen_opaque_blob: u32,
 }
@@ -24,13 +24,8 @@ fn bindgen_test_layout_opaque() {
         concat!("Alignment of ", stringify!(opaque))
     );
 }
-impl Clone for opaque {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct container {
     pub contained: opaque,
 }
@@ -57,8 +52,3 @@ fn bindgen_test_layout_container() {
         )
     );
 }
-impl Clone for container {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/opaque_pointer.rs b/tests/expectations/tests/opaque_pointer.rs
index 6eb7b67235..cc8e247fc4 100644
--- a/tests/expectations/tests/opaque_pointer.rs
+++ b/tests/expectations/tests/opaque_pointer.rs
@@ -7,7 +7,7 @@
 
 /// <div rustbindgen opaque></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct OtherOpaque {
     pub _bindgen_opaque_blob: u32,
 }
@@ -24,17 +24,12 @@ fn bindgen_test_layout_OtherOpaque() {
         concat!("Alignment of ", stringify!(OtherOpaque))
     );
 }
-impl Clone for OtherOpaque {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen opaque></div>
 #[repr(C)]
 #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Opaque {}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct WithOpaquePtr {
     pub whatever: *mut u8,
     pub other: u32,
@@ -83,11 +78,6 @@ fn bindgen_test_layout_WithOpaquePtr() {
         )
     );
 }
-impl Clone for WithOpaquePtr {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithOpaquePtr {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/private.rs b/tests/expectations/tests/private.rs
index 73f6377d4c..400373f885 100644
--- a/tests/expectations/tests/private.rs
+++ b/tests/expectations/tests/private.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct HasPrivate {
     pub mNotPrivate: ::std::os::raw::c_int,
     /// <div rustbindgen private></div>
@@ -44,14 +44,9 @@ fn bindgen_test_layout_HasPrivate() {
         )
     );
 }
-impl Clone for HasPrivate {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen private></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct VeryPrivate {
     mIsPrivate: ::std::os::raw::c_int,
     mIsAlsoPrivate: ::std::os::raw::c_int,
@@ -89,14 +84,9 @@ fn bindgen_test_layout_VeryPrivate() {
         )
     );
 }
-impl Clone for VeryPrivate {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen private></div>
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct ContradictPrivate {
     /// <div rustbindgen private="false"></div>
     pub mNotPrivate: ::std::os::raw::c_int,
@@ -135,8 +125,3 @@ fn bindgen_test_layout_ContradictPrivate() {
         )
     );
 }
-impl Clone for ContradictPrivate {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/ref_argument_array.rs b/tests/expectations/tests/ref_argument_array.rs
index fd57dd5732..14675a677f 100644
--- a/tests/expectations/tests/ref_argument_array.rs
+++ b/tests/expectations/tests/ref_argument_array.rs
@@ -8,7 +8,7 @@ pub const NSID_LENGTH: ::std::os::raw::c_uint = 10;
 #[repr(C)]
 pub struct nsID__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct nsID {
     pub vtable_: *const nsID__bindgen_vtable,
 }
@@ -25,11 +25,6 @@ fn bindgen_test_layout_nsID() {
         concat!("Alignment of ", stringify!(nsID))
     );
 }
-impl Clone for nsID {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for nsID {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/reparented_replacement.rs b/tests/expectations/tests/reparented_replacement.rs
index 0402c95c44..57a1187116 100644
--- a/tests/expectations/tests/reparented_replacement.rs
+++ b/tests/expectations/tests/reparented_replacement.rs
@@ -13,7 +13,7 @@ pub mod root {
         use self::super::super::root;
         /// <div rustbindgen replaces="foo::Bar"></div>
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Bar {
             pub bazz: ::std::os::raw::c_int,
         }
@@ -40,11 +40,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Bar {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
     pub type ReferencesBar = root::foo::Bar;
 }
diff --git a/tests/expectations/tests/replace_use.rs b/tests/expectations/tests/replace_use.rs
index 49185e32be..5f85dc323f 100644
--- a/tests/expectations/tests/replace_use.rs
+++ b/tests/expectations/tests/replace_use.rs
@@ -12,7 +12,7 @@ pub struct nsTArray {
     pub y: ::std::os::raw::c_uint,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Test {
     pub a: nsTArray,
 }
@@ -39,11 +39,6 @@ fn bindgen_test_layout_Test() {
         )
     );
 }
-impl Clone for Test {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn __bindgen_test_layout_nsTArray_open0_long_close0_instantiation() {
     assert_eq!(
diff --git a/tests/expectations/tests/same_struct_name_in_different_namespaces.rs b/tests/expectations/tests/same_struct_name_in_different_namespaces.rs
index 3575a581aa..b89568ecb6 100644
--- a/tests/expectations/tests/same_struct_name_in_different_namespaces.rs
+++ b/tests/expectations/tests/same_struct_name_in_different_namespaces.rs
@@ -10,7 +10,7 @@ pub struct JS_Zone {
     _unused: [u8; 0],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct JS_shadow_Zone {
     pub x: ::std::os::raw::c_int,
     pub y: ::std::os::raw::c_int,
@@ -48,8 +48,3 @@ fn bindgen_test_layout_JS_shadow_Zone() {
         )
     );
 }
-impl Clone for JS_shadow_Zone {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/sentry-defined-multiple-times.rs b/tests/expectations/tests/sentry-defined-multiple-times.rs
index 61d35e25d3..96ad812977 100644
--- a/tests/expectations/tests/sentry-defined-multiple-times.rs
+++ b/tests/expectations/tests/sentry-defined-multiple-times.rs
@@ -22,7 +22,7 @@ pub mod root {
             pub i_am_wrapper_sentry: ::std::os::raw::c_int,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct sentry {
             pub i_am_plain_sentry: bool,
         }
@@ -49,13 +49,8 @@ pub mod root {
                 )
             );
         }
-        impl Clone for sentry {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct NotTemplateWrapper {
             pub _address: u8,
         }
@@ -72,13 +67,8 @@ pub mod root {
                 concat!("Alignment of ", stringify!(NotTemplateWrapper))
             );
         }
-        impl Clone for NotTemplateWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct NotTemplateWrapper_sentry {
             pub i_am_not_template_wrapper_sentry: ::std::os::raw::c_char,
         }
@@ -108,18 +98,13 @@ pub mod root {
                 )
             );
         }
-        impl Clone for NotTemplateWrapper_sentry {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct InlineNotTemplateWrapper {
             pub _address: u8,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct InlineNotTemplateWrapper_sentry {
             pub i_am_inline_not_template_wrapper_sentry: bool,
         }
@@ -150,11 +135,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for InlineNotTemplateWrapper_sentry {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[test]
         fn bindgen_test_layout_InlineNotTemplateWrapper() {
             assert_eq!(
@@ -168,11 +148,6 @@ pub mod root {
                 concat!("Alignment of ", stringify!(InlineNotTemplateWrapper))
             );
         }
-        impl Clone for InlineNotTemplateWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
         #[derive(Debug, Default, Copy, Clone)]
         pub struct InlineTemplateWrapper {
@@ -184,12 +159,12 @@ pub mod root {
             pub i_am_inline_template_wrapper_sentry: ::std::os::raw::c_int,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleWrapper {
             pub _address: u8,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleWrapper_InnerDoubleWrapper {
             pub _address: u8,
         }
@@ -212,11 +187,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for OuterDoubleWrapper_InnerDoubleWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[test]
         fn bindgen_test_layout_OuterDoubleWrapper() {
             assert_eq!(
@@ -230,13 +200,8 @@ pub mod root {
                 concat!("Alignment of ", stringify!(OuterDoubleWrapper))
             );
         }
-        impl Clone for OuterDoubleWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleWrapper_InnerDoubleWrapper_sentry {
             pub i_am_double_wrapper_sentry: ::std::os::raw::c_int,
         }
@@ -272,23 +237,18 @@ pub mod root {
                 )
             );
         }
-        impl Clone for OuterDoubleWrapper_InnerDoubleWrapper_sentry {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleInlineWrapper {
             pub _address: u8,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleInlineWrapper_InnerDoubleInlineWrapper {
             pub _address: u8,
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct OuterDoubleInlineWrapper_InnerDoubleInlineWrapper_sentry {
             pub i_am_double_wrapper_inline_sentry: ::std::os::raw::c_int,
         }
@@ -324,11 +284,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for OuterDoubleInlineWrapper_InnerDoubleInlineWrapper_sentry {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[test]
         fn bindgen_test_layout_OuterDoubleInlineWrapper_InnerDoubleInlineWrapper() {
             assert_eq!(
@@ -348,11 +303,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for OuterDoubleInlineWrapper_InnerDoubleInlineWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[test]
         fn bindgen_test_layout_OuterDoubleInlineWrapper() {
             assert_eq!(
@@ -366,11 +316,6 @@ pub mod root {
                 concat!("Alignment of ", stringify!(OuterDoubleInlineWrapper))
             );
         }
-        impl Clone for OuterDoubleInlineWrapper {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
     #[repr(C)]
     #[derive(Debug, Default, Copy, Clone)]
@@ -383,7 +328,7 @@ pub mod root {
         pub i_am_outside_namespace_wrapper_sentry: ::std::os::raw::c_int,
     }
     #[repr(C)]
-    #[derive(Debug, Default, Copy)]
+    #[derive(Debug, Default, Copy, Clone)]
     pub struct sentry {
         pub i_am_outside_namespace_sentry: ::std::os::raw::c_int,
     }
@@ -410,9 +355,4 @@ pub mod root {
             )
         );
     }
-    impl Clone for sentry {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
 }
diff --git a/tests/expectations/tests/size_t_template.rs b/tests/expectations/tests/size_t_template.rs
index 16a72e25b7..9fa6c3ad77 100644
--- a/tests/expectations/tests/size_t_template.rs
+++ b/tests/expectations/tests/size_t_template.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct C {
     pub arr: [u32; 3usize],
 }
@@ -27,8 +27,3 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(arr))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_containing_forward_declared_struct.rs b/tests/expectations/tests/struct_containing_forward_declared_struct.rs
index 12e13dc8cf..f20b9b3a7c 100644
--- a/tests/expectations/tests/struct_containing_forward_declared_struct.rs
+++ b/tests/expectations/tests/struct_containing_forward_declared_struct.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct a {
     pub val_a: *mut b,
 }
@@ -32,18 +32,13 @@ fn bindgen_test_layout_a() {
         )
     );
 }
-impl Clone for a {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for a {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct b {
     pub val_b: ::std::os::raw::c_int,
 }
@@ -70,8 +65,3 @@ fn bindgen_test_layout_b() {
         )
     );
 }
-impl Clone for b {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_typedef.rs b/tests/expectations/tests/struct_typedef.rs
index f1e195fdf1..1079bb3fa9 100644
--- a/tests/expectations/tests/struct_typedef.rs
+++ b/tests/expectations/tests/struct_typedef.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct typedef_named_struct {
     pub has_name: bool,
 }
@@ -32,13 +32,8 @@ fn bindgen_test_layout_typedef_named_struct() {
         )
     );
 }
-impl Clone for typedef_named_struct {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct _bindgen_ty_1 {
     pub no_name: *mut ::std::os::raw::c_void,
 }
@@ -65,11 +60,6 @@ fn bindgen_test_layout__bindgen_ty_1() {
         )
     );
 }
-impl Clone for _bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for _bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_typedef_ns.rs b/tests/expectations/tests/struct_typedef_ns.rs
index e0dfe41d34..b40c1733d0 100644
--- a/tests/expectations/tests/struct_typedef_ns.rs
+++ b/tests/expectations/tests/struct_typedef_ns.rs
@@ -12,7 +12,7 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct typedef_struct {
             pub foo: ::std::os::raw::c_int,
         }
@@ -39,11 +39,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for typedef_struct {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         #[repr(u32)]
         #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
         pub enum typedef_enum {
@@ -54,7 +49,7 @@ pub mod root {
         #[allow(unused_imports)]
         use self::super::super::root;
         #[repr(C)]
-        #[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+        #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
         pub struct _bindgen_ty_1 {
             pub foo: ::std::os::raw::c_int,
         }
@@ -81,11 +76,6 @@ pub mod root {
                 )
             );
         }
-        impl Clone for _bindgen_ty_1 {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
         pub type typedef_struct = root::_bindgen_mod_id_12::_bindgen_ty_1;
         pub const _bindgen_mod_id_12_BAR: root::_bindgen_mod_id_12::_bindgen_ty_2 =
             _bindgen_ty_2::BAR;
diff --git a/tests/expectations/tests/struct_with_anon_struct.rs b/tests/expectations/tests/struct_with_anon_struct.rs
index d386c79b8f..b8726df08f 100644
--- a/tests/expectations/tests/struct_with_anon_struct.rs
+++ b/tests/expectations/tests/struct_with_anon_struct.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub bar: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -76,8 +71,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_with_anon_struct_array.rs b/tests/expectations/tests/struct_with_anon_struct_array.rs
index 2826c36e57..8616ba5d75 100644
--- a/tests/expectations/tests/struct_with_anon_struct_array.rs
+++ b/tests/expectations/tests/struct_with_anon_struct_array.rs
@@ -5,13 +5,13 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub bar: [foo__bindgen_ty_1; 2usize],
     pub baz: [[[foo__bindgen_ty_2; 4usize]; 3usize]; 2usize],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -49,13 +49,8 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_2 {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -93,11 +88,6 @@ fn bindgen_test_layout_foo__bindgen_ty_2() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -131,8 +121,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_with_anon_struct_pointer.rs b/tests/expectations/tests/struct_with_anon_struct_pointer.rs
index bf3ad0499d..733721be38 100644
--- a/tests/expectations/tests/struct_with_anon_struct_pointer.rs
+++ b/tests/expectations/tests/struct_with_anon_struct_pointer.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub bar: *mut foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -76,11 +71,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_anon_union.rs b/tests/expectations/tests/struct_with_anon_union.rs
index 665ec30867..716461ea51 100644
--- a/tests/expectations/tests/struct_with_anon_union.rs
+++ b/tests/expectations/tests/struct_with_anon_union.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct foo {
     pub bar: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_uint,
     pub b: ::std::os::raw::c_ushort,
@@ -49,11 +49,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -82,11 +77,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_anon_unnamed_struct.rs b/tests/expectations/tests/struct_with_anon_unnamed_struct.rs
index ba596f334e..839023ecbb 100644
--- a/tests/expectations/tests/struct_with_anon_unnamed_struct.rs
+++ b/tests/expectations/tests/struct_with_anon_unnamed_struct.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub __bindgen_anon_1: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_uint,
     pub b: ::std::os::raw::c_uint,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -66,8 +61,3 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of ", stringify!(foo))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_with_anon_unnamed_union.rs b/tests/expectations/tests/struct_with_anon_unnamed_union.rs
index 37ba81c332..3cb92db746 100644
--- a/tests/expectations/tests/struct_with_anon_unnamed_union.rs
+++ b/tests/expectations/tests/struct_with_anon_unnamed_union.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct foo {
     pub __bindgen_anon_1: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_uint,
     pub b: ::std::os::raw::c_ushort,
@@ -49,11 +49,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -72,11 +67,6 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of ", stringify!(foo))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_bitfields.rs b/tests/expectations/tests/struct_with_bitfields.rs
index fffb938015..9c7b30072e 100644
--- a/tests/expectations/tests/struct_with_bitfields.rs
+++ b/tests/expectations/tests/struct_with_bitfields.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct bitfield {
     pub _bitfield_1: u8,
     pub e: ::std::os::raw::c_int,
@@ -34,11 +34,6 @@ fn bindgen_test_layout_bitfield() {
         )
     );
 }
-impl Clone for bitfield {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl bitfield {
     #[inline]
     pub fn a(&self) -> ::std::os::raw::c_ushort {
diff --git a/tests/expectations/tests/struct_with_derive_debug.rs b/tests/expectations/tests/struct_with_derive_debug.rs
index f681e21e94..4a068de59e 100644
--- a/tests/expectations/tests/struct_with_derive_debug.rs
+++ b/tests/expectations/tests/struct_with_derive_debug.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct LittleArray {
     pub a: [::std::os::raw::c_int; 32usize],
 }
@@ -32,13 +32,8 @@ fn bindgen_test_layout_LittleArray() {
         )
     );
 }
-impl Clone for LittleArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct BigArray {
     pub a: [::std::os::raw::c_int; 33usize],
 }
@@ -65,18 +60,13 @@ fn bindgen_test_layout_BigArray() {
         )
     );
 }
-impl Clone for BigArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for BigArray {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct WithLittleArray {
     pub a: LittleArray,
 }
@@ -103,13 +93,8 @@ fn bindgen_test_layout_WithLittleArray() {
         )
     );
 }
-impl Clone for WithLittleArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct WithBigArray {
     pub a: BigArray,
 }
@@ -136,11 +121,6 @@ fn bindgen_test_layout_WithBigArray() {
         )
     );
 }
-impl Clone for WithBigArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithBigArray {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_large_array.rs b/tests/expectations/tests/struct_with_large_array.rs
index 73b29fd90d..decc5934df 100644
--- a/tests/expectations/tests/struct_with_large_array.rs
+++ b/tests/expectations/tests/struct_with_large_array.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct S {
     pub large_array: [::std::os::raw::c_char; 33usize],
 }
@@ -32,11 +32,6 @@ fn bindgen_test_layout_S() {
         )
     );
 }
-impl Clone for S {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for S {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_nesting.rs b/tests/expectations/tests/struct_with_nesting.rs
index d25fc4bc28..08fbc52c03 100644
--- a/tests/expectations/tests/struct_with_nesting.rs
+++ b/tests/expectations/tests/struct_with_nesting.rs
@@ -5,13 +5,13 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct foo {
     pub a: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1 {
     pub b: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: foo__bindgen_ty_1__bindgen_ty_1,
@@ -19,7 +19,7 @@ pub union foo__bindgen_ty_1 {
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1__bindgen_ty_1 {
     pub c1: ::std::os::raw::c_ushort,
     pub c2: ::std::os::raw::c_ushort,
@@ -57,13 +57,8 @@ fn bindgen_test_layout_foo__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1__bindgen_ty_2 {
     pub d1: ::std::os::raw::c_uchar,
     pub d2: ::std::os::raw::c_uchar,
@@ -123,11 +118,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1__bindgen_ty_2() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo__bindgen_ty_1() {
     assert_eq!(
@@ -151,11 +141,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -179,11 +164,6 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of field: ", stringify!(foo), "::", stringify!(a))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/struct_with_packing.rs b/tests/expectations/tests/struct_with_packing.rs
index acdcd9b37f..b942ebd185 100644
--- a/tests/expectations/tests/struct_with_packing.rs
+++ b/tests/expectations/tests/struct_with_packing.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C, packed)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct a {
     pub b: ::std::os::raw::c_char,
     pub c: ::std::os::raw::c_short,
@@ -33,8 +33,3 @@ fn bindgen_test_layout_a() {
         concat!("Alignment of field: ", stringify!(a), "::", stringify!(c))
     );
 }
-impl Clone for a {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/struct_with_struct.rs b/tests/expectations/tests/struct_with_struct.rs
index 22676961e8..1549438776 100644
--- a/tests/expectations/tests/struct_with_struct.rs
+++ b/tests/expectations/tests/struct_with_struct.rs
@@ -5,12 +5,12 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub bar: foo__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub x: ::std::os::raw::c_uint,
     pub y: ::std::os::raw::c_uint,
@@ -48,11 +48,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -76,8 +71,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/template.rs b/tests/expectations/tests/template.rs
index 46eb0a33e5..c00fb17fd8 100644
--- a/tests/expectations/tests/template.rs
+++ b/tests/expectations/tests/template.rs
@@ -38,7 +38,7 @@ pub struct mozilla_Foo {
     _unused: [u8; 0],
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct C {
     pub mB: B<::std::os::raw::c_uint>,
     pub mBConstPtr: B<*const ::std::os::raw::c_int>,
@@ -214,11 +214,6 @@ fn bindgen_test_layout_C() {
         )
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -261,7 +256,7 @@ impl<T> Default for Rooted<T> {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct RootedContainer {
     pub root: Rooted<*mut ::std::os::raw::c_void>,
 }
@@ -288,11 +283,6 @@ fn bindgen_test_layout_RootedContainer() {
         )
     );
 }
-impl Clone for RootedContainer {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for RootedContainer {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -348,7 +338,7 @@ impl Default for PODButContainsDtor {
 #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Opaque {}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct POD {
     pub opaque_member: u32,
 }
@@ -375,11 +365,6 @@ fn bindgen_test_layout_POD() {
         )
     );
 }
-impl Clone for POD {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 /// <div rustbindgen replaces="NestedReplaced"></div>
 #[repr(C)]
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
@@ -428,7 +413,7 @@ impl<T> Default for Incomplete<T> {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Untemplated {
     pub _address: u8,
 }
@@ -445,11 +430,6 @@ fn bindgen_test_layout_Untemplated() {
         concat!("Alignment of ", stringify!(Untemplated))
     );
 }
-impl Clone for Untemplated {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 #[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Templated {
diff --git a/tests/expectations/tests/test_multiple_header_calls_in_builder.rs b/tests/expectations/tests/test_multiple_header_calls_in_builder.rs
index c53d5de35c..b6ab186a3f 100644
--- a/tests/expectations/tests/test_multiple_header_calls_in_builder.rs
+++ b/tests/expectations/tests/test_multiple_header_calls_in_builder.rs
@@ -12,7 +12,7 @@ pub type Char = ::std::os::raw::c_char;
 pub type SChar = ::std::os::raw::c_schar;
 pub type UChar = ::std::os::raw::c_uchar;
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Test {
     pub ch: ::std::os::raw::c_char,
     pub u: ::std::os::raw::c_uchar,
@@ -160,8 +160,3 @@ fn bindgen_test_layout_Test() {
         )
     );
 }
-impl Clone for Test {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/type-referenced-by-whitelisted-function.rs b/tests/expectations/tests/type-referenced-by-whitelisted-function.rs
index 3334eff5a2..73902a4260 100644
--- a/tests/expectations/tests/type-referenced-by-whitelisted-function.rs
+++ b/tests/expectations/tests/type-referenced-by-whitelisted-function.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct dl_phdr_info {
     pub x: ::std::os::raw::c_int,
 }
@@ -32,11 +32,6 @@ fn bindgen_test_layout_dl_phdr_info() {
         )
     );
 }
-impl Clone for dl_phdr_info {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 extern "C" {
     pub fn dl_iterate_phdr(arg1: *mut dl_phdr_info) -> ::std::os::raw::c_int;
 }
diff --git a/tests/expectations/tests/typeref.rs b/tests/expectations/tests/typeref.rs
index f8ed525bdb..7376aa7694 100644
--- a/tests/expectations/tests/typeref.rs
+++ b/tests/expectations/tests/typeref.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct mozilla_FragmentOrURL {
     pub mIsLocalRef: bool,
 }
@@ -32,13 +32,8 @@ fn bindgen_test_layout_mozilla_FragmentOrURL() {
         )
     );
 }
-impl Clone for mozilla_FragmentOrURL {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct mozilla_Position {
     pub _address: u8,
 }
@@ -55,11 +50,6 @@ fn bindgen_test_layout_mozilla_Position() {
         concat!("Alignment of ", stringify!(mozilla_Position))
     );
 }
-impl Clone for mozilla_Position {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 pub struct mozilla_StyleShapeSource {
     pub __bindgen_anon_1: mozilla_StyleShapeSource__bindgen_ty_1,
@@ -81,7 +71,7 @@ impl Default for mozilla_StyleShapeSource {
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Bar {
     pub mFoo: *mut nsFoo,
 }
@@ -108,11 +98,6 @@ fn bindgen_test_layout_Bar() {
         )
     );
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Bar {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/underscore.rs b/tests/expectations/tests/underscore.rs
index d1b0ccc23f..d9c61f7b6d 100644
--- a/tests/expectations/tests/underscore.rs
+++ b/tests/expectations/tests/underscore.rs
@@ -6,7 +6,7 @@
 
 pub const __: ::std::os::raw::c_int = 10;
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct ptr_t {
     pub __: [::std::os::raw::c_uchar; 8usize],
 }
@@ -33,8 +33,3 @@ fn bindgen_test_layout_ptr_t() {
         )
     );
 }
-impl Clone for ptr_t {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/union-in-ns.rs b/tests/expectations/tests/union-in-ns.rs
index a29b503835..9776626c8d 100644
--- a/tests/expectations/tests/union-in-ns.rs
+++ b/tests/expectations/tests/union-in-ns.rs
@@ -9,7 +9,7 @@ pub mod root {
     #[allow(unused_imports)]
     use self::super::root;
     #[repr(C)]
-    #[derive(Copy)]
+    #[derive(Copy, Clone)]
     pub union bar {
         pub baz: ::std::os::raw::c_int,
         _bindgen_union_align: u32,
@@ -37,11 +37,6 @@ pub mod root {
             )
         );
     }
-    impl Clone for bar {
-        fn clone(&self) -> Self {
-            *self
-        }
-    }
     impl Default for bar {
         fn default() -> Self {
             unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_bitfield.rs b/tests/expectations/tests/union_bitfield.rs
index ad41435d39..ee82188c36 100644
--- a/tests/expectations/tests/union_bitfield.rs
+++ b/tests/expectations/tests/union_bitfield.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union U4 {
     pub _bitfield_1: u8,
     _bindgen_union_align: u32,
@@ -23,11 +23,6 @@ fn bindgen_test_layout_U4() {
         concat!("Alignment of ", stringify!(U4))
     );
 }
-impl Clone for U4 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for U4 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -76,7 +71,7 @@ impl U4 {
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union B {
     pub _bitfield_1: u32,
     _bindgen_union_align: u32,
@@ -94,11 +89,6 @@ fn bindgen_test_layout_B() {
         concat!("Alignment of ", stringify!(B))
     );
 }
-impl Clone for B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for B {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_fields.rs b/tests/expectations/tests/union_fields.rs
index 988b7ae8e1..0c723b2a1c 100644
--- a/tests/expectations/tests/union_fields.rs
+++ b/tests/expectations/tests/union_fields.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union nsStyleUnion {
     pub mInt: ::std::os::raw::c_int,
     pub mFloat: f32,
@@ -55,11 +55,6 @@ fn bindgen_test_layout_nsStyleUnion() {
         )
     );
 }
-impl Clone for nsStyleUnion {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for nsStyleUnion {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_anon_struct.rs b/tests/expectations/tests/union_with_anon_struct.rs
index 320ce820bf..87bcf6f3d6 100644
--- a/tests/expectations/tests/union_with_anon_struct.rs
+++ b/tests/expectations/tests/union_with_anon_struct.rs
@@ -5,13 +5,13 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo {
     pub bar: foo__bindgen_ty_1,
     _bindgen_union_align: [u32; 2usize],
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_uint,
     pub b: ::std::os::raw::c_uint,
@@ -49,11 +49,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_foo() {
     assert_eq!(
@@ -77,11 +72,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_anon_struct_bitfield.rs b/tests/expectations/tests/union_with_anon_struct_bitfield.rs
index d759055bf3..ef5c16707c 100644
--- a/tests/expectations/tests/union_with_anon_struct_bitfield.rs
+++ b/tests/expectations/tests/union_with_anon_struct_bitfield.rs
@@ -5,14 +5,14 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo {
     pub a: ::std::os::raw::c_int,
     pub __bindgen_anon_1: foo__bindgen_ty_1,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo__bindgen_ty_1 {
     pub _bitfield_1: u32,
     pub __bindgen_align: [u32; 0usize],
@@ -30,11 +30,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(foo__bindgen_ty_1))
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl foo__bindgen_ty_1 {
     #[inline]
     pub fn b(&self) -> ::std::os::raw::c_int {
@@ -132,11 +127,6 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of field: ", stringify!(foo), "::", stringify!(a))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_anon_union.rs b/tests/expectations/tests/union_with_anon_union.rs
index cb78c900bf..92f8559587 100644
--- a/tests/expectations/tests/union_with_anon_union.rs
+++ b/tests/expectations/tests/union_with_anon_union.rs
@@ -5,13 +5,13 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo {
     pub bar: foo__bindgen_ty_1,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1 {
     pub a: ::std::os::raw::c_uint,
     pub b: ::std::os::raw::c_ushort,
@@ -50,11 +50,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -83,11 +78,6 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_anon_unnamed_struct.rs b/tests/expectations/tests/union_with_anon_unnamed_struct.rs
index 8dd829e23b..1f5e493f72 100644
--- a/tests/expectations/tests/union_with_anon_unnamed_struct.rs
+++ b/tests/expectations/tests/union_with_anon_unnamed_struct.rs
@@ -5,14 +5,14 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union pixel {
     pub rgba: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: pixel__bindgen_ty_1,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct pixel__bindgen_ty_1 {
     pub r: ::std::os::raw::c_uchar,
     pub g: ::std::os::raw::c_uchar,
@@ -72,11 +72,6 @@ fn bindgen_test_layout_pixel__bindgen_ty_1() {
         )
     );
 }
-impl Clone for pixel__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[test]
 fn bindgen_test_layout_pixel() {
     assert_eq!(
@@ -100,11 +95,6 @@ fn bindgen_test_layout_pixel() {
         )
     );
 }
-impl Clone for pixel {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for pixel {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_anon_unnamed_union.rs b/tests/expectations/tests/union_with_anon_unnamed_union.rs
index dea8b39e16..ba0cf84ed8 100644
--- a/tests/expectations/tests/union_with_anon_unnamed_union.rs
+++ b/tests/expectations/tests/union_with_anon_unnamed_union.rs
@@ -5,14 +5,14 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo {
     pub a: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: foo__bindgen_ty_1,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1 {
     pub b: ::std::os::raw::c_ushort,
     pub c: ::std::os::raw::c_uchar,
@@ -51,11 +51,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -79,11 +74,6 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of field: ", stringify!(foo), "::", stringify!(a))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_big_member.rs b/tests/expectations/tests/union_with_big_member.rs
index d5d19a9bee..e0767ba273 100644
--- a/tests/expectations/tests/union_with_big_member.rs
+++ b/tests/expectations/tests/union_with_big_member.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union WithBigArray {
     pub a: ::std::os::raw::c_int,
     pub b: [::std::os::raw::c_int; 33usize],
@@ -44,18 +44,13 @@ fn bindgen_test_layout_WithBigArray() {
         )
     );
 }
-impl Clone for WithBigArray {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithBigArray {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union WithBigArray2 {
     pub a: ::std::os::raw::c_int,
     pub b: [::std::os::raw::c_char; 33usize],
@@ -94,18 +89,13 @@ fn bindgen_test_layout_WithBigArray2() {
         )
     );
 }
-impl Clone for WithBigArray2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithBigArray2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union WithBigMember {
     pub a: ::std::os::raw::c_int,
     pub b: WithBigArray,
@@ -144,11 +134,6 @@ fn bindgen_test_layout_WithBigMember() {
         )
     );
 }
-impl Clone for WithBigMember {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for WithBigMember {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/union_with_nesting.rs b/tests/expectations/tests/union_with_nesting.rs
index 9b27335d11..1969a33c5c 100644
--- a/tests/expectations/tests/union_with_nesting.rs
+++ b/tests/expectations/tests/union_with_nesting.rs
@@ -5,20 +5,20 @@
 
 
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo {
     pub a: ::std::os::raw::c_uint,
     pub __bindgen_anon_1: foo__bindgen_ty_1,
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct foo__bindgen_ty_1 {
     pub __bindgen_anon_1: foo__bindgen_ty_1__bindgen_ty_1,
     pub __bindgen_anon_2: foo__bindgen_ty_1__bindgen_ty_2,
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1__bindgen_ty_1 {
     pub b1: ::std::os::raw::c_ushort,
     pub b2: ::std::os::raw::c_ushort,
@@ -57,18 +57,13 @@ fn bindgen_test_layout_foo__bindgen_ty_1__bindgen_ty_1() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union foo__bindgen_ty_1__bindgen_ty_2 {
     pub c1: ::std::os::raw::c_ushort,
     pub c2: ::std::os::raw::c_ushort,
@@ -107,11 +102,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1__bindgen_ty_2() {
         )
     );
 }
-impl Clone for foo__bindgen_ty_1__bindgen_ty_2 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1__bindgen_ty_2 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -130,11 +120,6 @@ fn bindgen_test_layout_foo__bindgen_ty_1() {
         concat!("Alignment of ", stringify!(foo__bindgen_ty_1))
     );
 }
-impl Clone for foo__bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo__bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -158,11 +143,6 @@ fn bindgen_test_layout_foo() {
         concat!("Alignment of field: ", stringify!(foo), "::", stringify!(a))
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/unknown_attr.rs b/tests/expectations/tests/unknown_attr.rs
index 5f7c1c3000..b5d83c2e29 100644
--- a/tests/expectations/tests/unknown_attr.rs
+++ b/tests/expectations/tests/unknown_attr.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct max_align_t {
     pub __clang_max_align_nonce1: ::std::os::raw::c_longlong,
     pub __bindgen_padding_0: u64,
@@ -40,8 +40,3 @@ fn bindgen_test_layout_max_align_t() {
         )
     );
 }
-impl Clone for max_align_t {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/use-core.rs b/tests/expectations/tests/use-core.rs
index 093c4a8345..ebbfb9358c 100644
--- a/tests/expectations/tests/use-core.rs
+++ b/tests/expectations/tests/use-core.rs
@@ -6,7 +6,7 @@
 extern crate core;
 
 #[repr(C)]
-#[derive(Debug, Copy, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct foo {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -45,18 +45,13 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for foo {
     fn default() -> Self {
         unsafe { ::core::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub union _bindgen_ty_1 {
     pub bar: ::std::os::raw::c_int,
     pub baz: ::std::os::raw::c_long,
@@ -95,11 +90,6 @@ fn bindgen_test_layout__bindgen_ty_1() {
         )
     );
 }
-impl Clone for _bindgen_ty_1 {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for _bindgen_ty_1 {
     fn default() -> Self {
         unsafe { ::core::mem::zeroed() }
diff --git a/tests/expectations/tests/var-tracing.rs b/tests/expectations/tests/var-tracing.rs
index 5042f3f784..d99526c7a7 100644
--- a/tests/expectations/tests/var-tracing.rs
+++ b/tests/expectations/tests/var-tracing.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub m_baz: ::std::os::raw::c_int,
 }
@@ -36,11 +36,6 @@ extern "C" {
     #[link_name = "\u{1}_ZN3BarC1Ei"]
     pub fn Bar_Bar(this: *mut Bar, baz: ::std::os::raw::c_int);
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Bar {
     #[inline]
     pub unsafe fn new(baz: ::std::os::raw::c_int) -> Self {
@@ -50,7 +45,7 @@ impl Bar {
     }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Baz {
     pub _address: u8,
 }
@@ -71,8 +66,3 @@ fn bindgen_test_layout_Baz() {
         concat!("Alignment of ", stringify!(Baz))
     );
 }
-impl Clone for Baz {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/variadic-method.rs b/tests/expectations/tests/variadic-method.rs
index 6b3f70b3ce..94dd73bee0 100644
--- a/tests/expectations/tests/variadic-method.rs
+++ b/tests/expectations/tests/variadic-method.rs
@@ -9,7 +9,7 @@ extern "C" {
     pub fn foo(fmt: *const ::std::os::raw::c_char, ...);
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Bar {
     pub _address: u8,
 }
@@ -30,8 +30,3 @@ extern "C" {
     #[link_name = "\u{1}_ZN3Bar3fooEPKcz"]
     pub fn Bar_foo(this: *mut Bar, fmt: *const ::std::os::raw::c_char, ...);
 }
-impl Clone for Bar {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/vector.rs b/tests/expectations/tests/vector.rs
index 87096aa9e4..c75e9829c9 100644
--- a/tests/expectations/tests/vector.rs
+++ b/tests/expectations/tests/vector.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct foo {
     pub mMember: [::std::os::raw::c_longlong; 1usize],
 }
@@ -32,8 +32,3 @@ fn bindgen_test_layout_foo() {
         )
     );
 }
-impl Clone for foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/virtual_inheritance.rs b/tests/expectations/tests/virtual_inheritance.rs
index 40e5859f55..c4f7abfa98 100644
--- a/tests/expectations/tests/virtual_inheritance.rs
+++ b/tests/expectations/tests/virtual_inheritance.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct A {
     pub foo: ::std::os::raw::c_int,
 }
@@ -27,15 +27,10 @@ fn bindgen_test_layout_A() {
         concat!("Alignment of field: ", stringify!(A), "::", stringify!(foo))
     );
 }
-impl Clone for A {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
 pub struct B__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct B {
     pub vtable_: *const B__bindgen_vtable,
     pub bar: ::std::os::raw::c_int,
@@ -58,11 +53,6 @@ fn bindgen_test_layout_B() {
         concat!("Alignment of field: ", stringify!(B), "::", stringify!(bar))
     );
 }
-impl Clone for B {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for B {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -71,7 +61,7 @@ impl Default for B {
 #[repr(C)]
 pub struct C__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct C {
     pub vtable_: *const C__bindgen_vtable,
     pub baz: ::std::os::raw::c_int,
@@ -94,18 +84,13 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of field: ", stringify!(C), "::", stringify!(baz))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
     }
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct D {
     pub _base: C,
     pub _base_1: B,
@@ -124,11 +109,6 @@ fn bindgen_test_layout_D() {
         concat!("Alignment of ", stringify!(D))
     );
 }
-impl Clone for D {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for D {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/virtual_overloaded.rs b/tests/expectations/tests/virtual_overloaded.rs
index 949fb38634..376bae8a84 100644
--- a/tests/expectations/tests/virtual_overloaded.rs
+++ b/tests/expectations/tests/virtual_overloaded.rs
@@ -7,7 +7,7 @@
 #[repr(C)]
 pub struct C__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct C {
     pub vtable_: *const C__bindgen_vtable,
 }
@@ -24,11 +24,6 @@ fn bindgen_test_layout_C() {
         concat!("Alignment of ", stringify!(C))
     );
 }
-impl Clone for C {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for C {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/vtable_recursive_sig.rs b/tests/expectations/tests/vtable_recursive_sig.rs
index 0f35890c5f..f0720f2735 100644
--- a/tests/expectations/tests/vtable_recursive_sig.rs
+++ b/tests/expectations/tests/vtable_recursive_sig.rs
@@ -7,7 +7,7 @@
 #[repr(C)]
 pub struct Base__bindgen_vtable(::std::os::raw::c_void);
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Base {
     pub vtable_: *const Base__bindgen_vtable,
 }
@@ -24,11 +24,6 @@ fn bindgen_test_layout_Base() {
         concat!("Alignment of ", stringify!(Base))
     );
 }
-impl Clone for Base {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Base {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
@@ -39,7 +34,7 @@ extern "C" {
     pub fn Base_AsDerived(this: *mut ::std::os::raw::c_void) -> *mut Derived;
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Derived {
     pub _base: Base,
 }
@@ -56,11 +51,6 @@ fn bindgen_test_layout_Derived() {
         concat!("Alignment of ", stringify!(Derived))
     );
 }
-impl Clone for Derived {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Derived {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/weird_bitfields.rs b/tests/expectations/tests/weird_bitfields.rs
index 7a0b18c958..ac73b70966 100644
--- a/tests/expectations/tests/weird_bitfields.rs
+++ b/tests/expectations/tests/weird_bitfields.rs
@@ -12,7 +12,7 @@ pub enum nsStyleSVGOpacitySource {
     eStyleSVGOpacitySource_ContextStrokeOpacity = 2,
 }
 #[repr(C)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct Weird {
     pub mStrokeDasharrayLength: ::std::os::raw::c_uint,
     pub _bitfield_1: [u16; 2usize],
@@ -163,11 +163,6 @@ fn bindgen_test_layout_Weird() {
         )
     );
 }
-impl Clone for Weird {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Default for Weird {
     fn default() -> Self {
         unsafe { ::std::mem::zeroed() }
diff --git a/tests/expectations/tests/what_is_going_on.rs b/tests/expectations/tests/what_is_going_on.rs
index 49dc9960e9..d0e4c689c7 100644
--- a/tests/expectations/tests/what_is_going_on.rs
+++ b/tests/expectations/tests/what_is_going_on.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct UnknownUnits {
     pub _address: u8,
 }
@@ -22,11 +22,6 @@ fn bindgen_test_layout_UnknownUnits() {
         concat!("Alignment of ", stringify!(UnknownUnits))
     );
 }
-impl Clone for UnknownUnits {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub type Float = f32;
 #[repr(C)]
 #[derive(Debug, Copy, Clone)]
diff --git a/tests/expectations/tests/whitelist-namespaces-basic.rs b/tests/expectations/tests/whitelist-namespaces-basic.rs
index 316ed44d07..74c782f77c 100644
--- a/tests/expectations/tests/whitelist-namespaces-basic.rs
+++ b/tests/expectations/tests/whitelist-namespaces-basic.rs
@@ -15,7 +15,7 @@ pub mod root {
             #[allow(unused_imports)]
             use self::super::super::super::root;
             #[repr(C)]
-            #[derive(Debug, Default, Copy)]
+            #[derive(Debug, Default, Copy, Clone)]
             pub struct Helper {
                 pub _address: u8,
             }
@@ -32,11 +32,6 @@ pub mod root {
                     concat!("Alignment of ", stringify!(Helper))
                 );
             }
-            impl Clone for Helper {
-                fn clone(&self) -> Self {
-                    *self
-                }
-            }
         }
     }
 }
diff --git a/tests/expectations/tests/whitelist-namespaces.rs b/tests/expectations/tests/whitelist-namespaces.rs
index 01dce09a0c..f1c86bde36 100644
--- a/tests/expectations/tests/whitelist-namespaces.rs
+++ b/tests/expectations/tests/whitelist-namespaces.rs
@@ -15,7 +15,7 @@ pub mod root {
             #[allow(unused_imports)]
             use self::super::super::super::root;
             #[repr(C)]
-            #[derive(Debug, Default, Copy)]
+            #[derive(Debug, Default, Copy, Clone)]
             pub struct Helper {
                 pub _address: u8,
             }
@@ -32,14 +32,9 @@ pub mod root {
                     concat!("Alignment of ", stringify!(Helper))
                 );
             }
-            impl Clone for Helper {
-                fn clone(&self) -> Self {
-                    *self
-                }
-            }
         }
         #[repr(C)]
-        #[derive(Debug, Default, Copy)]
+        #[derive(Debug, Default, Copy, Clone)]
         pub struct Test {
             pub helper: root::outer::inner::Helper,
         }
@@ -66,10 +61,5 @@ pub mod root {
                 )
             );
         }
-        impl Clone for Test {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
     }
 }
diff --git a/tests/expectations/tests/whitelisted-item-references-no-partialeq.rs b/tests/expectations/tests/whitelisted-item-references-no-partialeq.rs
index a7bbab74a1..32604b12ff 100644
--- a/tests/expectations/tests/whitelisted-item-references-no-partialeq.rs
+++ b/tests/expectations/tests/whitelisted-item-references-no-partialeq.rs
@@ -5,7 +5,7 @@
 
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct NoPartialEq {
     pub _address: u8,
 }
@@ -22,13 +22,8 @@ fn bindgen_test_layout_NoPartialEq() {
         concat!("Alignment of ", stringify!(NoPartialEq))
     );
 }
-impl Clone for NoPartialEq {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct WhitelistMe {
     pub a: NoPartialEq,
 }
@@ -55,8 +50,3 @@ fn bindgen_test_layout_WhitelistMe() {
         )
     );
 }
-impl Clone for WhitelistMe {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
diff --git a/tests/expectations/tests/win32-thiscall_nightly.rs b/tests/expectations/tests/win32-thiscall_nightly.rs
index 0fd1c00ddc..3b0140dcbf 100644
--- a/tests/expectations/tests/win32-thiscall_nightly.rs
+++ b/tests/expectations/tests/win32-thiscall_nightly.rs
@@ -6,7 +6,7 @@
 #![feature(abi_thiscall)]
 
 #[repr(C)]
-#[derive(Debug, Default, Copy)]
+#[derive(Debug, Default, Copy, Clone)]
 pub struct Foo {
     pub _address: u8,
 }
@@ -31,11 +31,6 @@ extern "thiscall" {
     #[link_name = "\u{1}?test2@Foo@@QAEHH@Z"]
     pub fn Foo_test2(this: *mut Foo, var: ::std::os::raw::c_int) -> ::std::os::raw::c_int;
 }
-impl Clone for Foo {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl Foo {
     #[inline]
     pub unsafe fn test(&mut self) {
diff --git a/tests/headers/derive-clone.h b/tests/headers/derive-clone.h
new file mode 100644
index 0000000000..a84d35cdd2
--- /dev/null
+++ b/tests/headers/derive-clone.h
@@ -0,0 +1,5 @@
+
+/// This struct should derive `Clone`.
+struct ShouldDeriveClone {
+    int large[33];
+};
diff --git a/tests/headers/derive-clone_1_0.h b/tests/headers/derive-clone_1_0.h
new file mode 100644
index 0000000000..34ef40ae97
--- /dev/null
+++ b/tests/headers/derive-clone_1_0.h
@@ -0,0 +1,7 @@
+// bindgen-flags: --rust-target 1.0
+
+/// Since builtin `Clone` impls were introduced in Rust 1.21 this struct 
+/// should impl `Clone` "manually".
+struct ShouldImplClone {
+    int large[33];
+};