Regression test for #29048. Fixes #29048.

Author: nikomatsakis

src/test/run-pass/issue-29048.rs

@@ -0,0 +1,21 @@
+// 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.
+
+pub struct Chan;
+pub struct ChanSelect<'c, T> {
+    chans: Vec<(&'c Chan, T)>,
+}
+impl<'c, T> ChanSelect<'c, T> {
+    pub fn add_recv_ret(&mut self, chan: &'c Chan, ret: T)
+    {
+        self.chans.push((chan, ret));
+    }
+}
+fn main() {}