| // 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 --harmony-tailcalls | |
| "use strict"; | |
| function f(o) { | |
| return o.x(); | |
| } | |
| try { f({ x: 1 }); } catch(e) {} | |
| try { f({ x: 1 }); } catch(e) {} | |
| %OptimizeFunctionOnNextCall(f); | |
| try { f({ x: 1 }); } catch(e) {} |