diff --git a/test/Regression/CBackend/2003-10-23-ZeroArgVarargs.ll b/test/Regression/CBackend/2003-10-23-ZeroArgVarargs.ll
new file mode 100644
index 00000000000..4ba97411f02
--- /dev/null
+++ b/test/Regression/CBackend/2003-10-23-ZeroArgVarargs.ll
@@ -0,0 +1,9 @@
+
+declare sbyte* %llvm.va_start()
+declare void %llvm.va_end(sbyte*)
+
+void %test(...) {
+	%P = call sbyte* %llvm.va_start()
+	call void %llvm.va_end(sbyte* %P)
+	ret void
+}