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Issue 2096933002: Remove all harmony runtime flags which shipped in M51 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Review comments Created 4 years, 5 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --allow-natives-syntax --harmony-instanceof 5 // Flags: --allow-natives-syntax
6 6
7 function F() {} 7 function F() {}
8 var f = new F 8 var f = new F
9 9
10 function foo(x) { return x instanceof F }; 10 function foo(x) { return x instanceof F };
11 %OptimizeFunctionOnNextCall(foo); 11 %OptimizeFunctionOnNextCall(foo);
12 assertFalse(foo(1)); 12 assertFalse(foo(1));
13 13
14 var proto = Object.getPrototypeOf(F); 14 var proto = Object.getPrototypeOf(F);
15 Object.setPrototypeOf(F, null); 15 Object.setPrototypeOf(F, null);
16 F[Symbol.hasInstance] = function(v) { return true }; 16 F[Symbol.hasInstance] = function(v) { return true };
17 Object.setPrototypeOf(F, proto); 17 Object.setPrototypeOf(F, proto);
18 18
19 assertTrue(foo(1)); 19 assertTrue(foo(1));
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