v8/test/mjsunit/regress/regress-662904.js
jarin 5d89844130 [crankshaft] FIx for in deopt at the end of the loop.
We really should deopt before the for-in index increment.

BUG=chromium:662904

Review-Url: https://codereview.chromium.org/2476423003
Cr-Commit-Position: refs/heads/master@{#40828}
2016-11-08 12:33:56 +00:00

20 lines
429 B
JavaScript

// Copyright 2016 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 foo(a) {
var sum = 0;
var a = [0, "a"];
for (var i in a) {
sum += a[i];
}
return sum;
}
assertEquals("0a", foo());
assertEquals("0a", foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals("0a", foo());