v8/test/mjsunit/regress/regress-crbug-698607.js
bmeurer 1e4a2725b8 [turbofan] Teach escape analysis about ObjectIsNaN.
BUG=chromium:698607
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2735633003
Cr-Commit-Position: refs/heads/master@{#43612}
2017-03-06 12:55:28 +00:00

23 lines
479 B
JavaScript

// Copyright 2017 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 assertSame(expected, found) {
if (found === expected) {
} else if ((expected !== expected) && (found !== found)) {
}
}
function foo() {
var x = {var: 0.5};
assertSame(x, x.val);
return () => x;
}
foo(1);
foo(1);
%OptimizeFunctionOnNextCall(foo);
foo(1);