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Issue 1757013002: [crankshaft] Fix invalid ToNumber optimization. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 9 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 5 // Flags: --allow-natives-syntax
6 6
7 function g() { if (false) throw 0; } 7 function f(x) { return x === +x; }
8 function f() { g(); }
9 8
10 f(); 9 assertEquals(false, f(undefined));
11 f(); 10 assertEquals(false, f(undefined));
12 %OptimizeFunctionOnNextCall(f); 11 %OptimizeFunctionOnNextCall(f);
13 f(); 12 assertEquals(false, f(undefined)); // Interestingly this fails right away.
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