| // Copyright 2016 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 | |
| var dothrow = false; | |
| function g() { | |
| if (dothrow) throw 1; | |
| } | |
| function f(a) { | |
| try { | |
| g(); | |
| } catch(e) { | |
| if (typeof e !== 'number' && e !== 1) throw e; | |
| return a[0]; | |
| } | |
| } | |
| %NeverOptimizeFunction(g); | |
| %PrepareFunctionForOptimization(f); | |
| f(); | |
| f(); | |
| %OptimizeFunctionOnNextCall(f); | |
| dothrow = true; | |
| assertEquals(42, f([42])); |