v8/test/mjsunit/compiler/deopt-bool.js
titzer 5b6111edff Add test for deoptimization bug.
R=jarin@chromium.org,mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1100113002

Cr-Commit-Position: refs/heads/master@{#28013}
2015-04-22 14:32:49 +00:00

29 lines
593 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
function foo(a, b) {
var passed = a == 3;
if (passed) {
if (passed) {
passed = b == 4;
}
}
%DeoptimizeFunction(foo);
return passed;
}
assertTrue(foo(3, 4));
assertTrue(foo(3, 4));
assertFalse(foo(3.1, 4));
assertFalse(foo(3, 4.1));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(3, 4));
assertTrue(foo(3, 4));
assertFalse(foo(3.1, 4));
assertFalse(foo(3, 4.1));