Rollup merge of rust-lang#53230 - memoryruins:nll_bootstrap_4, r=niko…

…matsakis

[nll] enable feature(nll) on various crates for bootstrap: part 4

rust-lang#53172

r? @nikomatsakis

src/libcore/lib.rs

@@ -92,6 +92,7 @@
 #![feature(lang_items)]
 #![feature(link_llvm_intrinsics)]
 #![feature(never_type)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(exhaustive_patterns)]
 #![feature(macro_at_most_once_rep)]
 #![feature(no_core)]

src/libproc_macro/lib.rs

@@ -31,6 +31,7 @@
        test(no_crate_inject, attr(deny(warnings))),
        test(attr(allow(dead_code, deprecated, unused_variables, unused_mut))))]
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_private)]
 #![feature(staged_api)]
 #![feature(lang_items)]

src/libprofiler_builtins/lib.rs

@@ -15,4 +15,5 @@
             reason = "internal implementation detail of rustc right now",
             issue = "0")]
 #![allow(unused_features)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(staged_api)]

src/librustc/lib.rs

@@ -51,6 +51,7 @@
 #![feature(never_type)]
 #![feature(exhaustive_patterns)]
 #![feature(extern_types)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(non_exhaustive)]
 #![feature(proc_macro_internals)]
 #![feature(quote)]

src/librustc_allocator/lib.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_private)]
 
 #[macro_use] extern crate log;

src/librustc_codegen_llvm/lib.rs

@@ -26,6 +26,7 @@
 #![feature(in_band_lifetimes)]
 #![allow(unused_attributes)]
 #![feature(libc)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(quote)]
 #![feature(range_contains)]
 #![feature(rustc_diagnostic_macros)]

src/librustc_codegen_llvm/llvm/ffi.rs

@@ -1564,7 +1564,7 @@ extern "C" {
                                 -> LLVMRustResult;
     pub fn LLVMRustArchiveMemberNew(Filename: *const c_char,
                                     Name: *const c_char,
-                                    Child: Option<&'a ArchiveChild>)
+                                    Child: Option<&ArchiveChild<'a>>)
                                     -> &'a mut RustArchiveMember<'a>;
     pub fn LLVMRustArchiveMemberFree(Member: &'a mut RustArchiveMember<'a>);
 

src/librustc_codegen_llvm/type_of.rs

@@ -89,7 +89,7 @@ fn uncached_llvm_type<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
                     Type::struct_(cx, &[fill], packed)
                 }
                 Some(ref name) => {
-                    let mut llty = Type::named_struct(cx, name);
+                    let llty = Type::named_struct(cx, name);
                     llty.set_struct_body(&[fill], packed);
                     llty
                 }

src/librustc_codegen_utils/lib.rs

@@ -19,6 +19,7 @@
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(custom_attribute)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![allow(unused_attributes)]
 #![feature(quote)]
 #![feature(rustc_diagnostic_macros)]

src/librustc_data_structures/indexed_set.rs

@@ -323,7 +323,7 @@ fn test_set_up_to() {
 #[test]
 fn test_new_filled() {
     for i in 0..128 {
-        let mut idx_buf = IdxSetBuf::new_filled(i);
+        let idx_buf = IdxSetBuf::new_filled(i);
         let elems: Vec<usize> = idx_buf.iter().collect();
         let expected: Vec<usize> = (0..i).collect();
         assert_eq!(elems, expected);

src/librustc_data_structures/lib.rs

@@ -26,6 +26,7 @@
 #![feature(specialization)]
 #![feature(optin_builtin_traits)]
 #![feature(macro_vis_matcher)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(allow_internal_unstable)]
 #![feature(vec_resize_with)]
 

src/librustc_llvm/lib.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(static_nobundle)]
 
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",

src/librustc_lsan/lib.rs

@@ -10,6 +10,7 @@
 
 #![sanitizer_runtime]
 #![feature(alloc_system)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(sanitizer_runtime)]
 #![feature(staged_api)]
 #![no_std]

src/librustc_mir/lib.rs

@@ -14,6 +14,7 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
 
 */
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(infer_outlives_requirements)]
 #![feature(in_band_lifetimes)]
 #![feature(slice_patterns)]

src/librustc_msan/lib.rs

@@ -10,6 +10,7 @@
 
 #![sanitizer_runtime]
 #![feature(alloc_system)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(sanitizer_runtime)]
 #![feature(staged_api)]
 #![no_std]

src/librustc_platform_intrinsics/lib.rs

@@ -10,6 +10,8 @@
 
 #![allow(bad_style)]
 
+#![cfg_attr(not(stage0), feature(nll))]
+
 pub struct Intrinsic {
     pub inputs: &'static [&'static Type],
     pub output: &'static Type,

src/librustc_typeck/lib.rs

@@ -76,6 +76,7 @@ This API is completely unstable and subject to change.
 #![feature(crate_visibility_modifier)]
 #![feature(exhaustive_patterns)]
 #![feature(iterator_find_map)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(quote)]
 #![feature(refcell_replace_swap)]
 #![feature(rustc_diagnostic_macros)]

src/librustdoc/lib.rs

@@ -17,6 +17,7 @@
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(iterator_find_map)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(set_stdio)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(test)]

src/libserialize/lib.rs

@@ -24,6 +24,7 @@ Core encoding and decoding interfaces.
 #![feature(core_intrinsics)]
 #![feature(specialization)]
 #![feature(never_type)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![cfg_attr(test, feature(test))]
 
 pub use self::serialize::{Decoder, Encoder, Decodable, Encodable};

src/libstd/lib.rs

@@ -273,6 +273,7 @@
 #![feature(macro_vis_matcher)]
 #![feature(needs_panic_runtime)]
 #![feature(never_type)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(exhaustive_patterns)]
 #![feature(on_unimplemented)]
 #![feature(optin_builtin_traits)]

src/libsyntax/lib.rs

@@ -21,6 +21,7 @@
 
 #![feature(crate_visibility_modifier)]
 #![feature(macro_at_most_once_rep)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_attrs)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_sort_by_cached_key)]

src/libsyntax_ext/deriving/generic/mod.rs

@@ -554,7 +554,7 @@ impl<'a> TraitDef<'a> {
             GenericParamKind::Type { .. } => {
                 // I don't think this can be moved out of the loop, since
                 // a GenericBound requires an ast id
-                let mut bounds: Vec<_> =
+                let bounds: Vec<_> =
                     // extra restrictions on the generics parameters to the
                     // type being derived upon
                     self.additional_bounds.iter().map(|p| {

src/libsyntax_ext/lib.rs

@@ -16,6 +16,7 @@
 
 #![feature(proc_macro_internals)]
 #![feature(decl_macro)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(str_escape)]
 
 #![feature(rustc_diagnostic_macros)]

src/libtest/lib.rs

@@ -35,6 +35,7 @@
 #![feature(asm)]
 #![feature(fnbox)]
 #![cfg_attr(any(unix, target_os = "cloudabi"), feature(libc))]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(set_stdio)]
 #![feature(panic_unwind)]
 #![feature(staged_api)]