| // 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 |
| |
| (function() { |
| var x = 23; |
| function f() { |
| return x; |
| } |
| function g() { |
| [x] = [x + 1]; |
| } |
| function h() { |
| g(); |
| return x; |
| } |
| |
| function boom() { |
| return h(); |
| }; |
| %PrepareFunctionForOptimization(boom); |
| assertEquals(24, boom()); |
| assertEquals(25, boom()); |
| assertEquals(26, boom()); |
| %OptimizeFunctionOnNextCall(boom); |
| assertEquals(27, boom()); |
| })(); |