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| 1 // Copyright 2015 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 --use-osr --turbo-osr |
| 6 |
| 7 function f(a) { |
| 8 var sum = 0; |
| 9 for (var i of a) { |
| 10 var x = i + 2; |
| 11 var y = x + 5; |
| 12 var z = y + 3; |
| 13 sum += z; |
| 14 } |
| 15 return sum; |
| 16 } |
| 17 |
| 18 var a = new Array(); |
| 19 for (var i = 0; i < 10000; i++) { |
| 20 a[i] = (i * 999) % 77; |
| 21 } |
| 22 |
| 23 for (var i = 0; i < 3; i++) { |
| 24 assertEquals(480270, f(wrap(a))); |
| 25 } |
| 26 |
| 27 function wrap(array) { |
| 28 var iterable = {}; |
| 29 var i = 0; |
| 30 function next() { |
| 31 return { done: i >= array.length, value: array[i++] }; |
| 32 }; |
| 33 iterable[Symbol.iterator] = function() { return { next:next }; }; |
| 34 return iterable; |
| 35 } |
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