| // 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 --expose-gc --verify-heap | |
| function A() {} | |
| function g1() { | |
| var obj = new A(); | |
| obj.v0 = 0; | |
| obj.v1 = 0; | |
| obj.v2 = 0; | |
| obj.v3 = 0; | |
| obj.v4 = 0; | |
| obj.v5 = 0; | |
| obj.v6 = 0; | |
| obj.v7 = 0; | |
| obj.v8 = 0; | |
| obj.v9 = 0; | |
| return obj; | |
| } | |
| function g2() { | |
| return new A(); | |
| }; | |
| %PrepareFunctionForOptimization(g2); | |
| var o = g1(); | |
| %OptimizeFunctionOnNextCall(g2); | |
| g2(); | |
| o = null; | |
| gc(); | |
| for (var i = 0; i < 20; i++) { | |
| var o = new A(); | |
| } | |
| g2(); | |
| gc(); // Boom! |