diff --git a/test/Regression/Transforms/InstCombine/2003-10-23-InstcombineNullFail.ll b/test/Regression/Transforms/InstCombine/2003-10-23-InstcombineNullFail.ll
index ec1751cf4a4..01231260344 100644
--- a/test/Regression/Transforms/InstCombine/2003-10-23-InstcombineNullFail.ll
+++ b/test/Regression/Transforms/InstCombine/2003-10-23-InstcombineNullFail.ll
@@ -1,4 +1,7 @@
 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep false
+;
+; This actually looks like a constant propagation bug
+
 %X = type { [10 x int], float }
 
 implementation