diff --git a/test/Transforms/InstCombine/2006-02-13-DemandedMiscompile.ll b/test/Transforms/InstCombine/2006-02-13-DemandedMiscompile.ll
new file mode 100644
index 00000000000..f0703386553
--- /dev/null
+++ b/test/Transforms/InstCombine/2006-02-13-DemandedMiscompile.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output &&
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep undef
+
+int %test(sbyte %A) {
+	%B = cast sbyte %A to int
+	%C = shr int %B, ubyte 8
+	ret int %C
+}
+