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| 1 // Copyright 2016 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 TestDeoptInNamedSuperGetter() { |
| 8 class C { m() { return 23 } } |
| 9 class D extends C { f() { return super.boom() } } |
| 10 |
| 11 var should_deoptimize_caller = false; |
| 12 Object.defineProperty(C.prototype, "boom", { get: function() { |
| 13 if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f); |
| 14 return this.m |
| 15 }}) |
| 16 |
| 17 assertEquals(23, new D().f()); |
| 18 assertEquals(23, new D().f()); |
| 19 %OptimizeFunctionOnNextCall(D.prototype.f); |
| 20 assertEquals(23, new D().f()); |
| 21 should_deoptimize_caller = true; |
| 22 assertEquals(23, new D().f()); |
| 23 })(); |
| 24 |
| 25 (function TestDeoptInKeyedSuperGetter() { |
| 26 class C { m() { return 23 } } |
| 27 class D extends C { f(name) { return super[name]() } } |
| 28 |
| 29 var should_deoptimize_caller = false; |
| 30 Object.defineProperty(C.prototype, "boom", { get: function() { |
| 31 if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f); |
| 32 return this.m |
| 33 }}) |
| 34 |
| 35 assertEquals(23, new D().f("boom")); |
| 36 assertEquals(23, new D().f("boom")); |
| 37 %OptimizeFunctionOnNextCall(D.prototype.f); |
| 38 assertEquals(23, new D().f("boom")); |
| 39 should_deoptimize_caller = true; |
| 40 assertEquals(23, new D().f("boom")); |
| 41 })(); |
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