v8/test/mjsunit/regress/regress-crbug-485410.js
jkummerow f10b992dab Let Runtime_GrowArrayElements accept non-Smi numbers as |key|.
BUG=chromium:485410
LOG=y
R=mvstanton@chromium.org,danno@chromium.org

Review URL: https://codereview.chromium.org/1132113004

Cr-Commit-Position: refs/heads/master@{#28327}
2015-05-09 10:30:49 +00:00

24 lines
672 B
JavaScript

// Copyright 2015 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
var doubles = new Float64Array(1);
function ToHeapNumber(i) {
doubles[0] = i;
return doubles[0];
}
for (var i = 0; i < 3; i++) ToHeapNumber(i);
%OptimizeFunctionOnNextCall(ToHeapNumber);
assertFalse(%IsSmi(ToHeapNumber(1)));
function Fail(a, i, v) {
a[i] = v;
}
for (var i = 0; i < 3; i++) Fail(new Array(1), 1, i);
%OptimizeFunctionOnNextCall(Fail);
// 1050 > JSObject::kMaxGap, causing stub failure and runtime call.
Fail(new Array(1), ToHeapNumber(1050), 3);