diff --git a/test/CodeGen/Generic/2005-12-12-ExpandSextInreg.ll b/test/CodeGen/Generic/2005-12-12-ExpandSextInreg.ll
new file mode 100644
index 00000000000..20ef2d9f063
--- /dev/null
+++ b/test/CodeGen/Generic/2005-12-12-ExpandSextInreg.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | llc
+
+long %test(long %A) {
+	%B = cast long %A to sbyte
+	%C = cast sbyte %B to long
+	ret long %C
+}