diff --git a/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll b/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll
new file mode 100644
index 00000000000..e2851205983
--- /dev/null
+++ b/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll
@@ -0,0 +1,7 @@
+; RUN: as < %s | opt -instcombine | dis | grep 4294967295
+
+ulong %test(ulong %Val) {
+        %tmp.3 = cast ulong %Val to uint              ; <uint> [#uses=1]
+        %tmp.8 = cast uint %tmp.3 to ulong              ; <ulong> [#uses=1]
+	ret ulong %tmp.8
+}