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| 1 // Copyright 2017 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --allow-natives-syntax |
| 6 |
| 7 function bar(x) { |
| 8 "use strict"; |
| 9 return this + x; |
| 10 } |
| 11 |
| 12 function foo(f) { |
| 13 var a = bar.bind(42, 1); |
| 14 return f() ? 0 : a; |
| 15 } |
| 16 |
| 17 function t() { return true; } |
| 18 |
| 19 assertEquals(0, foo(t)); |
| 20 assertEquals(0, foo(t)); |
| 21 %OptimizeFunctionOnNextCall(foo); |
| 22 var a = foo(_ => false); |
| 23 assertEquals(43, a()); |
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