Switch XFAIL format to match LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85880 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjC/PR4894-recursive-debug-crash.m b/test/CodeGenObjC/PR4894-recursive-debug-crash.m
index c5f901c..d737911 100644
--- a/test/CodeGenObjC/PR4894-recursive-debug-crash.m
+++ b/test/CodeGenObjC/PR4894-recursive-debug-crash.m
@@ -3,7 +3,7 @@
 //
 // This test is actually just making sure we can generate the debug info for the
 // return type from im0 without crashing.
-// XFAIL
+// XFAIL: *
 
 @interface I0 {
   I0 *_iv0;