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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); |
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