| // Copyright 2017 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. |
| |
| function f() { |
| throw new Error(); |
| } |
| |
| function g() { |
| try { |
| f(); |
| } catch (e) { |
| return 1; // Break |
| } |
| } |
| |
| function h() { |
| return g(); |
| } |
| |
| %PrepareFunctionForOptimization(h); |
| h(); |
| h(); |
| |
| var Debug = debug.Debug; |
| var step_count = 0; |
| var exception = null; |
| |
| function listener(event, exec_state, event_data, data) { |
| if (event == Debug.DebugEvent.Exception) { |
| step_count++; |
| exec_state.prepareStep(Debug.StepAction.StepNext); |
| } else if (event == Debug.DebugEvent.Break) { |
| step_count++; |
| try { |
| assertTrue(exec_state.frame().sourceLineText().includes('Break')); |
| } catch (e) { |
| exception = e; |
| print(e); |
| } |
| } |
| } |
| |
| Debug.setListener(listener); |
| Debug.setBreakOnException(); |
| %OptimizeFunctionOnNextCall(h); |
| h(); |
| Debug.setListener(null); |
| assertNull(exception); |