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Issue 2484723002: [crankshaft] Do not optimize argument access if any parameter is context-allocated. (Closed)
Patch Set: Created 4 years, 1 month 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 x = +x; 8 (function() { x = 1; })()
9 return (x > 0) ? x : 0 - x; 9 return arguments[0];
10 } 10 }
11 11
12 foo(1); 12 assertEquals(1, foo(42));
13 foo(-1); 13 assertEquals(1, foo(42));
14 foo(0);
15 %OptimizeFunctionOnNextCall(foo); 14 %OptimizeFunctionOnNextCall(foo);
16 assertEquals(2147483648, foo(-2147483648)); 15 assertEquals(1, foo(42));
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