diff --git a/clang/test/Tooling/ms-asm-clang-extdef-mapping.c b/clang/test/Tooling/ms-asm-clang-extdef-mapping.c
--- a/clang/test/Tooling/ms-asm-clang-extdef-mapping.c
+++ b/clang/test/Tooling/ms-asm-clang-extdef-mapping.c
@@ -1,7 +1,9 @@
-// RUN: clang-extdef-mapping "%s" -- -fasm-blocks 2>&1 | FileCheck %s
+// RUN: clang-extdef-mapping "%s" -- -fasm-blocks \
+// RUN:   -target x86_64-apple-darwin10 2>&1 | FileCheck %s
+// REQUIRES: x86-registered-target
 
 void Break() {
   __asm { int 3 }
 }
 
-// CHECK: {{c:@F@Break .*}}
+// CHECK: {{10:c:@F@Break}}