| Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 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 | var a = {} |
| 8 | var b = {} |
| 9 | a.x = 1; |
| 10 | a.y = 1; |
| 11 | b.x = 1; |
| 12 | |
| 13 | function foo(c) { |
| 14 | var s = 0; |
| 15 | for (var p in c) { s++; } |
| 16 | return s; |
| 17 | } |
| 18 | |
| 19 | assertEquals(2, foo(a)); |
| 20 | assertEquals(1, foo(b)); |
| 21 | %OptimizeFunctionOnNextCall(foo); |
| 22 | assertEquals(2, foo(a)); |
| 23 | assertEquals(1, foo(b)); |