commit 27e66bf710951ec8574a4ecc0770456c794ffef8
author Aaron Ballman <aaron@aaronballman.com> Tue Aug 27 20:33:05 2019 +0000
committer Aaron Ballman <aaron@aaronballman.com> Tue Aug 27 20:33:05 2019 +0000
tree a223644519b8bb3d7ff1b7912da1ec00c10d0c1f
parent 528f5da6d862f59c6e005f85eb32a0c67f65bc4d

Diagnose _Bool as a C99 extension.

llvm-svn: 370108

clang/lib/Parse/ParseDecl.cpp

diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 6c3b6d6..c4c5045 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -3777,6 +3777,9 @@
       break;
     case tok::kw_bool:
     case tok::kw__Bool:
+      if (Tok.is(tok::kw__Bool) && !getLangOpts().C99)
+        Diag(Tok, diag::ext_c99_feature) << Tok.getName();
+
       if (Tok.is(tok::kw_bool) &&
           DS.getTypeSpecType() != DeclSpec::TST_unspecified &&
           DS.getStorageClassSpec() == DeclSpec::SCS_typedef) {