Add some semantic checks for OpenCL. Variadic macros, VLAs and bitfields are not supported.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172732 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 7e46a9cc28..156ebd21f9 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -1649,6 +1649,12 @@ bool Preprocessor::ReadMacroDefinitionArgList(MacroInfo *MI, Token &Tok) {
              diag::warn_cxx98_compat_variadic_macro :
              diag::ext_variadic_macro);
 
+      // OpenCL v1.2 s6.9.e: variadic macros are not supported.
+      if (LangOpts.OpenCL) {
+        Diag(Tok, diag::err_pp_opencl_variadic_macros);
+        return true;
+      }
+
       // Lex the token after the identifier.
       LexUnexpandedToken(Tok);
       if (Tok.isNot(tok::r_paren)) {