| OLD | NEW |
| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 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 --crankshaft |
| 6 | 6 |
| 7 function bar(a) { | 7 function bar(a) { |
| 8 var x = a[0]; | 8 var x = a[0]; |
| 9 return x == undefined; | 9 return x == undefined; |
| 10 } | 10 } |
| 11 | 11 |
| 12 // Make the keyed load be polymorphic on holey smi and holey fast. | 12 // Make the keyed load be polymorphic on holey smi and holey fast. |
| 13 bar([, 2, 3]); | 13 bar([, 2, 3]); |
| 14 bar([, 'two', 'three']); | 14 bar([, 'two', 'three']); |
| 15 bar([, 2, 3]); | 15 bar([, 2, 3]); |
| 16 | 16 |
| 17 %OptimizeFunctionOnNextCall(bar); | 17 %OptimizeFunctionOnNextCall(bar); |
| 18 bar([, 2, 3]); | 18 bar([, 2, 3]); |
| 19 // Verify that loading the hole doesn't cause deoptimization. | 19 // Verify that loading the hole doesn't cause deoptimization. |
| 20 assertOptimized(bar); | 20 assertOptimized(bar); |
| OLD | NEW |