// 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() { debugger; } function g() { f(); } function h() { 'use strict'; return g(); } h(); h(); var Debug = debug.Debug; var exception = null; function listener(event, exec_state, event_data, data) { if (event != Debug.DebugEvent.Break) return; try { var all_scopes = exec_state.frame().allScopes(); } catch (e) { exception = e; } } Debug.setListener(listener); %OptimizeFunctionOnNextCall(h); h(); Debug.setListener(null); assertNull(exception);