Change the diagnostics which said 'accepted as an extension' to instead say
'is an extension'. The former is inappropriate and confusing when building with
-Werror/-pedantic-errors.

llvm-svn: 147357
diff --git a/clang/test/SemaCXX/MicrosoftCompatibility.cpp b/clang/test/SemaCXX/MicrosoftCompatibility.cpp
index 4ae9495..4db5437 100644
--- a/clang/test/SemaCXX/MicrosoftCompatibility.cpp
+++ b/clang/test/SemaCXX/MicrosoftCompatibility.cpp
@@ -84,7 +84,7 @@
 

 class C : public B { 

 private:   

-  using B::f; // expected-warning {{using declaration refers to inaccessible member 'ms_using_declaration_bug::B::f', which refers to accessible member 'ms_using_declaration_bug::A::f', accepted for Microsoft compatibility}}

+  using B::f; // expected-warning {{using declaration referring to inaccessible member 'ms_using_declaration_bug::B::f' (which refers to accessible member 'ms_using_declaration_bug::A::f') is a Microsoft compatibility extension}}

 };

 

 }