Fixing up a test case that was failing due to the lack of -std=c++11

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160455 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/cxx-typeid.cpp b/test/PCH/cxx-typeid.cpp
index 41dd544..819b4d4 100644
--- a/test/PCH/cxx-typeid.cpp
+++ b/test/PCH/cxx-typeid.cpp
@@ -1,8 +1,8 @@
 // Test this without pch.
-// RUN: %clang -include %S/cxx-typeid.h -fsyntax-only -Xclang -verify %s
+// RUN: %clang -include %S/cxx-typeid.h -fsyntax-only -std=c++11 -Xclang -verify %s
 
-// RUN: %clang -ccc-pch-is-pch -x c++-header -o %t.gch %S/cxx-typeid.h
-// RUN: %clang -ccc-pch-is-pch -include %t -fsyntax-only -Xclang -verify %s 
+// RUN: %clang -ccc-pch-is-pch -std=c++11 -x c++-header -o %t.gch %S/cxx-typeid.h
+// RUN: %clang -ccc-pch-is-pch -std=c++11 -include %t -fsyntax-only -Xclang -verify %s
 
 void f() {
     (void)typeid(int);