| // 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 bar(x) { |
| "use strict"; |
| return this + x; |
| } |
| |
| function foo(f) { |
| var a = bar.bind(42, 1); |
| return f() ? 0 : a; |
| }; |
| %PrepareFunctionForOptimization(foo); |
| function t() { |
| return true; |
| } |
| |
| assertEquals(0, foo(t)); |
| assertEquals(0, foo(t)); |
| %OptimizeFunctionOnNextCall(foo); |
| var a = foo(_ => false); |
| assertEquals(43, a()); |
