Make -fms-compatibility imply -fms-extensions. Fixes PR11204.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142797 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Lexer/ms-extensions.c b/test/Lexer/ms-extensions.c
index 9cd868e..377d2d5 100644
--- a/test/Lexer/ms-extensions.c
+++ b/test/Lexer/ms-extensions.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify -fms-extensions %s
+// RUN: %clang_cc1 -fsyntax-only -verify -fms-compatibility %s
 
 __int8 x1  = 3i8;
 __int16 x2 = 4i16;