| // 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 C() { } |
| |
| function f(b) { |
| var o = new C(); |
| // Create out-of-object properties only on one branch so that escape |
| // analysis does not analyze the property array away. |
| if (b) o.t = 1.1; |
| %_DeoptimizeNow(); |
| return o.t; |
| } |
| %PrepareFunctionForOptimization(f); |
| |
| // Finish slack tracking for C. |
| for (var i = 0; i < 1000; i++) new C(); |
| |
| f(true); |
| f(true); |
| f(false); |
| |
| %OptimizeFunctionOnNextCall(f); |
| |
| assertEquals(1.1, f(true)); |
