1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/compile-fail-fulldeps/syntax-extension-regex-unused.rs b/src/test/compile-fail-fulldeps/syntax-extension-regex-unused.rs
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index 00000000000..c77bd52d9e5
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+++ b/src/test/compile-fail-fulldeps/syntax-extension-regex-unused.rs
@@ -0,0 +1,28 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// FIXME(#13725) windows needs fixing.
+// ignore-win32
+// ignore-stage1
+
+#![feature(phase)]
+
+extern crate regex;
+#[phase(syntax)] extern crate regex_macros;
+
+#[deny(unused_variable)]
+#[deny(dead_code)]
+
+// Tests to make sure that extraneous dead code warnings aren't emitted from
+// the code generated by regex!.
+
+fn main() {
+    let fubar = regex!("abc"); //~ ERROR unused variable: `fubar`
+}