Improve the error message for assigning to read-only variables.

Previously, many error messages would simply be "read-only variable is not
assignable"  This change provides more information about why the variable is
not assignable, as well as note to where the const is located.

Differential Revision: http://reviews.llvm.org/D4479

llvm-svn: 234677

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/test/SemaCXX/cxx0x-constexpr-const.cpp b/clang/test/SemaCXX/cxx0x-constexpr-const.cpp
index 197edeb097b..a4398b32a14 100644
--- a/clang/test/SemaCXX/cxx0x-constexpr-const.cpp
+++ b/clang/test/SemaCXX/cxx0x-constexpr-const.cpp
@@ -1,10 +1,10 @@
 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
 
-constexpr int x = 1;
+constexpr int x = 1;  // expected-note {{variable 'x' declared const here}}
 constexpr int id(int x) { return x; }
 
 void foo(void) {
-  x = 2; // expected-error {{read-only variable is not assignable}}
+  x = 2; // expected-error {{cannot assign to variable 'x' with const-qualified type 'const int'}}
   int (*idp)(int) = id;
 }