Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 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 | })(); |