r370108 - Diagnose _Bool as a C99 extension.

[Aaron Ballman via cfe-commits]

Author: aaronballman
Date: Tue Aug 27 13:33:05 2019
New Revision: 370108

URL: http://llvm.org/viewvc/llvm-project?rev=370108&view=rev
Log:
Diagnose _Bool as a C99 extension.

Modified:
    cfe/trunk/lib/Parse/ParseDecl.cpp
    cfe/trunk/test/Parser/c99.c

Modified: cfe/trunk/lib/Parse/ParseDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDecl.cpp?rev=370108&r1=370107&r2=370108&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/ParseDecl.cpp (original)
+++ cfe/trunk/lib/Parse/ParseDecl.cpp Tue Aug 27 13:33:05 2019
@@ -3777,6 +3777,9 @@ void Parser::ParseDeclarationSpecifiers(
       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) {

Modified: cfe/trunk/test/Parser/c99.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/c99.c?rev=370108&r1=370107&r2=370108&view=diff
==============================================================================
--- cfe/trunk/test/Parser/c99.c (original)
+++ cfe/trunk/test/Parser/c99.c Tue Aug 27 13:33:05 2019
@@ -6,3 +6,6 @@ double _Imaginary foo; // ext-warning {{
                        // expected-error {{imaginary types are not supported}}
 double _Complex bar; // ext-warning {{'_Complex' is a C99 extension}}
 
+#if !defined(__cplusplus)
+_Bool baz; // ext-warning {{'_Bool' is a C99 extension}}
+#endif