f6865cb142
Prevent crash/UB during stack frame iteration through functions, which occurs when debugging, when building stacktraces, etc. Also prevents these functions from appearing in stacktraces, by unsetting the "native" flag. BUG=v8:4483, v8:5025 R=yangguo@chromium.org, littledan@chromium.org, adamk@chromium.org Review-Url: https://codereview.chromium.org/1990803005 Cr-Commit-Position: refs/heads/master@{#36339}
41 lines
1014 B
JavaScript
41 lines
1014 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-async-await --allow-natives-syntax --expose-debug-as debug
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug
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listenerComplete = false;
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breakPointCount = 0;
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async function f() {
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await (async function() { var a = "a"; await 1; debugger; })();
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var b = "b";
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assertTrue(listenerDone);
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assertFalse(exception);
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assertEquals(1, breakpointCount);
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}
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function listener(event, exec_state, event_data, data) {
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try {
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if (event != Debug.DebugEvent.Break) return;
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breakpointCount++;
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listenerDone = true;
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assertEquals("a", exec_state.frame(0).evaluate("a"));
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assertEquals("b", exec_state.frame(1).evaluate("b"));
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assertEquals("c", exec_state.frame(2).evaluate("c"));
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} catch (e) {
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exception = e;
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};
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};
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Debug.setListener(listener);
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var c = "c";
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f();
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