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1 // Copyright 2016 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Flags: --expose-debug-as debug | |
6 | |
7 var Debug = debug.Debug; | |
8 var exception = null; | |
9 | |
10 function listener(event, exec_state, event_data, data) { | |
11 if (event != Debug.DebugEvent.Break) return; | |
12 try { | |
13 assertThrows(() => exec_state.frame(0).evaluate("bar.baz"), ReferenceError); | |
14 } catch (e) { | |
15 exception = e; | |
16 } | |
17 } | |
18 | |
19 Debug.setListener(listener); | |
20 | |
21 (function() { | |
22 debugger; // bar is still in TDZ at this point. | |
23 let bar = 1; | |
24 (x => bar); // force bar to be context-allocated. | |
25 })(); | |
26 | |
27 Debug.setListener(null); | |
28 assertNull(exception); | |
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