v8/test/mjsunit/regress/regress-3476.js
mstarzinger@chromium.org 57c315d0b3 Fix handling of potential string additions in hydrogen.
R=titzer@chromium.org
TEST=mjsunit/regress/regress-3476
BUG=v8:3476
LOG=N

Review URL: https://codereview.chromium.org/423083004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22677 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-07-29 14:53:11 +00:00

25 lines
618 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
function MyWrapper(v) {
return { valueOf: function() { return v } };
}
function f() {
assertEquals("truex", true + "x");
assertEquals("truey", true + new String("y"));
assertEquals("truez", true + new MyWrapper("z"));
assertEquals("xtrue", "x" + true);
assertEquals("ytrue", new String("y") + true);
assertEquals("ztrue", new MyWrapper("z") + true);
}
f();
f();
%OptimizeFunctionOnNextCall(f);
f();