From a593a211fe71e82b3f87dd16fb25831fb8a00442 Mon Sep 17 00:00:00 2001
From: Peter Reid <peter.d.reid@gmail.com>
Date: Sun, 13 Sep 2015 22:19:36 -0400
Subject: [PATCH] Add test for overflowing pow

This would catch regressions of issue #28012.
---
 src/test/run-fail/overflowing-pow.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/test/run-fail/overflowing-pow.rs

diff --git a/src/test/run-fail/overflowing-pow.rs b/src/test/run-fail/overflowing-pow.rs
new file mode 100644
index 00000000000..15335b8dfb1
--- /dev/null
+++ b/src/test/run-fail/overflowing-pow.rs
@@ -0,0 +1,16 @@
+// 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:thread '<main>' panicked at 'arithmetic operation overflowed'
+// compile-flags: -C debug-assertions
+
+fn main() {
+    let _x = 2i32.pow(1024);
+}