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Issue 2320013002: [turbofan] Revert "Avoid overflow checks on SpeculativeNumberAdd/Subtract/Multiply." (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(a) { 7 function foo(a) {
8 for (var d in a) { 8 a++;
9 delete a[1]; 9 a = Math.max(0, a);
10 } 10 a++;
11 return a;
11 } 12 }
12 13
13 foo([1,2,3]); 14 foo(0);
14 foo([2,3,4]); 15 foo(0);
15 %OptimizeFunctionOnNextCall(foo); 16 %OptimizeFunctionOnNextCall(foo);
16 foo([1,2,3]); 17 assertEquals(2147483648, foo(2147483646));
17 assertOptimized(foo);
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