diff --git a/test/CodeGen/X86/2009-02-12-SpillerBug.ll b/test/CodeGen/X86/2009-02-12-SpillerBug.ll
index 49f3ef60059..747dc8ae0a6 100644
--- a/test/CodeGen/X86/2009-02-12-SpillerBug.ll
+++ b/test/CodeGen/X86/2009-02-12-SpillerBug.ll
@@ -1,4 +1,5 @@
 ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-apple-darwin8
+; PR3561
 
 define hidden void @__mulxc3({ x86_fp80, x86_fp80 }* noalias nocapture sret %agg.result, x86_fp80 %a, x86_fp80 %b, x86_fp80 %c, x86_fp80 %d) nounwind {
 entry: