| Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1 | // Copyright 2014 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 | // Inlining shift with holey smi arrays shouldn't deopt just because it |
| 8 | // encounters the hole on the copy step. |
| 9 | function doShift(a) { |
| 10 | var x = a.shift(); |
| 11 | return x; |
| 12 | } |
| 13 | |
| 14 | function makeArray() { |
| 15 | var a = [1, 2,, 3]; |
| 16 | a[0] = 2; |
| 17 | return a; |
| 18 | } |
| 19 | |
| 20 | doShift(makeArray()); |
| 21 | doShift(makeArray()); |
| 22 | %OptimizeFunctionOnNextCall(doShift); |
| 23 | doShift(makeArray()); |
| 24 | assertOptimized(doShift); |