Auto merge of #24109 - sanxiyn:diverging-closure, r=pnkfelix

Fix #23896.

src/test/run-fail/diverging-closure.rs

@@ -0,0 +1,18 @@
+// Copyright 2015 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.
+
+// error-pattern:oops
+
+fn main() {
+    let func = || -> ! {
+        panic!("oops");
+    };
+    func();
+}