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Issue 2311903002: [turbofan] Don't propagate truncations if output is tagged. (Closed)
Patch Set: Created 4 years, 3 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 foo(x) { 7 function foo(x) {
8 return 1 + ((1 == 0) && undefined); 8 (x
9 ? (!0 / 0)
10 : x) | 0
9 } 11 }
10 12
11 foo(false); 13 foo(1);
12 foo(false); 14 foo(2);
13 %OptimizeFunctionOnNextCall(foo); 15 %OptimizeFunctionOnNextCall(foo);
14 foo(true); 16 foo(3);
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