| // 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 baz(a, b) { |
| for (var i = 0; i < a.length; i++) { |
| if (a[i], b[i]) return false; |
| } |
| } |
| function bar(expected, found) { |
| if (!baz(found, expected)) { |
| } |
| }; |
| bar([{}, 6, NaN], [1.8, , NaN]); |
| function foo() { |
| var a = [1, 2, 3, 4]; |
| bar(a.length, a.length); |
| }; |
| %PrepareFunctionForOptimization(foo); |
| foo(); |
| foo(); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(); |
