Add __builtin_va_start to the list of builtins, make __builtin_va_list available to builtin functions.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42857 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/Builtins.cpp b/AST/Builtins.cpp
index a227bac..219f00c 100644
--- a/AST/Builtins.cpp
+++ b/AST/Builtins.cpp
@@ -133,6 +133,9 @@
   case 'F':
     Type = Context.getCFConstantStringType();
     break;
+  case 'V':
+    Type = Context.getBuiltinVaListType();
+    break;
   }
   
   Done = false;