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Issue 1304633002: Correctify instanceof and make it optimizable. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Add arm64 port. Created 5 years, 4 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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: --harmony-arrow-functions 5 function Foo() {}
6 6 var x = new Foo();
7 (b, a, a, d) => a 7 function foo() { return x instanceof Foo; }
8 assertTrue(foo());
9 Foo.prototype = 1;
10 assertThrows(foo, TypeError);
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