Fixed bug in return type of __builtin_va_start().


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194197 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index b1da24b..5fe2d03 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -1651,6 +1651,7 @@
     Diag(ParamLoc, diag::note_parameter_type) << Type;
   }
 
+  TheCall->setType(Context.VoidTy);
   return false;
 }