From 738b91e9976a41c7b0ab8cbf544cd971202bfa98 Mon Sep 17 00:00:00 2001
From: Shyam Sundar B <shyambaskaran@outlook.com>
Date: Sun, 21 Aug 2016 18:43:58 +0530
Subject: [PATCH] Update lib.rs Update lib.rs Update lib.rs Update E0438.rs
 Update E0437.rs Update E0435.rs

---
 src/librustc_resolve/lib.rs    | 18 ++++++++++++------
 src/test/compile-fail/E0435.rs |  1 +
 src/test/compile-fail/E0437.rs |  1 +
 src/test/compile-fail/E0438.rs |  1 +
 4 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs
index b91ede5b2fa8a..d9132dc5c82a7 100644
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -251,20 +251,24 @@ fn resolve_struct_error<'b, 'a: 'b, 'c>(resolver: &'b Resolver<'a>,
             err
         }
         ResolutionError::TypeNotMemberOfTrait(type_, trait_) => {
-            struct_span_err!(resolver.session,
+            let mut err = struct_span_err!(resolver.session,
                              span,
                              E0437,
                              "type `{}` is not a member of trait `{}`",
                              type_,
-                             trait_)
+                             trait_);
+            err.span_label(span, &format!("not a member of trait `Foo`"));
+            err
         }
         ResolutionError::ConstNotMemberOfTrait(const_, trait_) => {
-            struct_span_err!(resolver.session,
+            let mut err = struct_span_err!(resolver.session,
                              span,
                              E0438,
                              "const `{}` is not a member of trait `{}`",
                              const_,
-                             trait_)
+                             trait_);
+            err.span_label(span, &format!("not a member of trait `Foo`"));
+            err
         }
         ResolutionError::VariableNotBoundInPattern(variable_name, from, to) => {
             struct_span_err!(resolver.session,
@@ -438,10 +442,12 @@ fn resolve_struct_error<'b, 'a: 'b, 'c>(resolver: &'b Resolver<'a>,
                               closure form instead")
         }
         ResolutionError::AttemptToUseNonConstantValueInConstant => {
-            struct_span_err!(resolver.session,
+            let mut err = struct_span_err!(resolver.session,
                              span,
                              E0435,
-                             "attempt to use a non-constant value in a constant")
+                             "attempt to use a non-constant value in a constant");
+            err.span_label(span, &format!("non-constant used with constant"));
+            err
         }
         ResolutionError::BindingShadowsSomethingUnacceptable(what_binding, name, binding) => {
             let shadows_what = PathResolution::new(binding.def().unwrap()).kind_name();
diff --git a/src/test/compile-fail/E0435.rs b/src/test/compile-fail/E0435.rs
index f6cba15a0bff8..f687633d34d86 100644
--- a/src/test/compile-fail/E0435.rs
+++ b/src/test/compile-fail/E0435.rs
@@ -11,4 +11,5 @@
 fn main () {
     let foo = 42u32;
     const FOO : u32 = foo; //~ ERROR E0435
+    //~| NOTE non-constant used with constant
 }
diff --git a/src/test/compile-fail/E0437.rs b/src/test/compile-fail/E0437.rs
index 7440a82773e7a..62ee8dc346492 100644
--- a/src/test/compile-fail/E0437.rs
+++ b/src/test/compile-fail/E0437.rs
@@ -12,6 +12,7 @@ trait Foo {}
 
 impl Foo for i32 {
     type Bar = bool; //~ ERROR E0437
+    //~| NOTE not a member of trait `Foo`
 }
 
 fn main () {
diff --git a/src/test/compile-fail/E0438.rs b/src/test/compile-fail/E0438.rs
index b3d453072049e..f549d62aebfea 100644
--- a/src/test/compile-fail/E0438.rs
+++ b/src/test/compile-fail/E0438.rs
@@ -14,6 +14,7 @@ trait Foo {}
 
 impl Foo for i32 {
     const BAR: bool = true; //~ ERROR E0438
+        //~| NOTE not a member of trait `Foo`
 }
 
 fn main () {