| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --allow-natives-syntax --opt |
| |
| function bar(a) { |
| var x = a[0]; |
| return x == undefined; |
| } |
| |
| // Make the keyed load be polymorphic on holey smi and holey fast. |
| bar([, 2, 3]); |
| bar([, 'two', 'three']); |
| bar([, 2, 3]); |
| |
| %OptimizeFunctionOnNextCall(bar); |
| bar([, 2, 3]); |
| // Verify that loading the hole doesn't cause deoptimization. |
| assertOptimized(bar); |
