v8/test/mjsunit/regress/regress-385054.js
jarin@chromium.org f69bb7fcc3 Do not eliminate bounds checks for "<const> - x".
Before this change, bounds check elimination treated "<const> - x" as
"x - <const>".

R=yangguo@chromium.org
BUG=385054
TEST=test/mjsunit/regress/regress-385054.js
LOG=N

Review URL: https://codereview.chromium.org/339583003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21859 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-06-16 13:43:50 +00:00

17 lines
341 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 f(x) {
var a = [1, 2];
a[x];
return a[0 - x];
}
f(0);
f(0);
%OptimizeFunctionOnNextCall(f);
assertEquals(undefined, f(1));