Add support for the C11 _Alignof keyword.

This behaves like the existing GNU __alignof and C++11 alignof keywords;
most of the patch is simply adding the third token spelling to various places.

llvm-svn: 159494

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 409f8e002ab..c6db497a53d 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -2478,7 +2478,7 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
     // alignment-specifier
     case tok::kw__Alignas:
       if (!getLangOpts().C11)
-        Diag(Tok, diag::ext_c11_alignas);
+        Diag(Tok, diag::ext_c11_alignment) << Tok.getName();
       ParseAlignmentSpecifier(DS.getAttributes());
       continue;