Add regression test.

diff --git a/src/test/run-pass/issue-37175.rs b/src/test/run-pass/issue-37175.rs
new file mode 100644 (file)
index 0000000..0d3613b
--- /dev/null
+++ b/src/test/run-pass/issue-37175.rs
@@ -0,0 +1,14 @@
+// Copyright 2016 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.
+
+macro_rules! m { (<$t:ty>) => { stringify!($t) } }
+fn main() {
+    println!("{}", m!(<Vec<i32>>));
+}