| // 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() {} |
| %CompleteInobjectSlackTracking(new C()); |
| |
| function f() { |
| // Create a non-escaping object. |
| var o = new C(); |
| // Add an out-of-object double property. |
| o.x = 0.5; |
| %DeoptimizeNow(); |
| return o.x + 0.25; |
| } |
| |
| %PrepareFunctionForOptimization(f); |
| f(); |
| f(); |
| %OptimizeFunctionOnNextCall(f); |
| assertEquals(0.75, f()); |