clang/test/Modules/compiler_builtins.m: Mark this as XFAIL:win32 for now. Investigating.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172689 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Modules/compiler_builtins.m b/test/Modules/compiler_builtins.m
index bd4309d..192dd0f 100644
--- a/test/Modules/compiler_builtins.m
+++ b/test/Modules/compiler_builtins.m
@@ -2,6 +2,7 @@
 // RUN: %clang -fsyntax-only -fmodules -fmodule-cache-path %t -D__need_wint_t %s -Xclang -verify
 // RUN: %clang -fsyntax-only -std=c99 -fmodules -fmodule-cache-path %t -D__need_wint_t %s -Xclang -verify
 // expected-no-diagnostics
+// XFAIL: win32
 
 #ifdef __SSE__
 @import _Builtin_intrinsics.intel.sse;