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 3 // found in the LICENSE file. 4 5 // Flags: --allow-natives-syntax 6 7 function foo(a) { 8 for (var d in a) { 9 delete a[1]; 10 } 11 } 12 13 foo([1,2,3]); 14 foo([2,3,4]); 15 %OptimizeFunctionOnNextCall(foo); 16 foo([1,2,3]); 17 assertOptimized(foo); 18
