--- /dev/null
+// Copyright 2018 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.
+
+#![feature(generators)]
+
+enum Test { A(i32), B, }
+
+fn main() { }
+
+fn fun(test: Test) {
+ move || {
+ if let Test::A(ref _a) = test { //~ ERROR borrow may still be in use when generator yields
+ yield ();
+ }
+ };
+}
--- /dev/null
+error[E0626]: borrow may still be in use when generator yields
+ --> $DIR/pattern-borrow.rs:19:24
+ |
+19 | if let Test::A(ref _a) = test { //~ ERROR borrow may still be in use when generator yields
+ | ^^^^^^
+20 | yield ();
+ | -------- possible yield occurs here
+
+error: aborting due to previous error
+