diff --git a/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll b/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll
new file mode 100644
index 00000000000..85c1f915940
--- /dev/null
+++ b/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep lshr
+; Verify this is not turned into -1.
+
+int %test(ubyte %amt) {
+  %B = lshr int -1, ubyte %amt
+  ret int %B
+}