diff --git a/clang/test/CodeGen/x86_32-arguments.c b/clang/test/CodeGen/x86_32-arguments.c
index 4f2a6a3a38e4..19a0f5214e12 100644
--- a/clang/test/CodeGen/x86_32-arguments.c
+++ b/clang/test/CodeGen/x86_32-arguments.c
@@ -218,5 +218,6 @@ void f53(struct s53 x) {}
 typedef unsigned short v2i16 __attribute__((__vector_size__(4)));
 
 // CHECK: define i32 @f54(i32 %arg.coerce)
+// rdar://8359483
 v2i16 f54(v2i16 arg) { return arg+arg; }