Such function decls,as objc's objc_msgSend, builtins in 
a specific language. We are adding such language info. by
extensing Builtins.def and via a language flag added
to LIBBUILTIN/BUILTIN and check for that when deciding
a name is builtin or not. Implements //rdar://8689273.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index f70bc72..6f9a1fb 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -202,7 +202,7 @@
   if (!CI.hasASTContext() || !CI.getASTContext().getExternalSource()) {
     Preprocessor &PP = CI.getPreprocessor();
     PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(),
-                                           PP.getLangOptions().NoBuiltin);
+                                           PP.getLangOptions());
   }
 
   return true;