| // 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 | |
| function f() { | |
| try { | |
| o; | |
| } catch (e) { | |
| return e; | |
| } | |
| return 0; | |
| } | |
| function deopt() { | |
| %DeoptimizeFunction(f); | |
| throw 42; | |
| } | |
| %NeverOptimizeFunction(deopt); | |
| this.__defineGetter__("o", deopt ); | |
| %PrepareFunctionForOptimization(f); | |
| f(); | |
| f(); | |
| %OptimizeFunctionOnNextCall(f); | |
| assertEquals(42, f()); |