Update all tests other than Driver/std.cpp to use -std=c++11 rather than
-std=c++0x. Patch by Ahmed Charles!

llvm-svn: 141900
diff --git a/clang/test/SemaCXX/ref-init-ambiguous.cpp b/clang/test/SemaCXX/ref-init-ambiguous.cpp
index 752a348..ce47e10 100644
--- a/clang/test/SemaCXX/ref-init-ambiguous.cpp
+++ b/clang/test/SemaCXX/ref-init-ambiguous.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
 
 enum E2 { };