LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html - Issue 19303002: Fix crash due to unexpected Node deletion during MutationObserver registration book-keeping

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Side by Side Diff: LayoutTests/fast/dom/MutationObserver/disconnect-transient-crash.html

Issue 19303002: Fix crash due to unexpected Node deletion during MutationObserver registration book-keeping (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 5 months ago

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	1 <!DOCTYPE html>

	2 <div>Test passes if it does not crash</div>

	3 <script>

	4 if (window.testRunner) testRunner.dumpAsText();

	5 var div = document.createElement('div');

	6 var span = document.createElement('span');

	7 div.appendChild(span);

	8 var observer = new MutationObserver(function(){});

	9 observer.observe(div, { attributes: true, subtree: true });

	10 div.removeChild(span); // cause span to become transiently observed

	11 div = null;

	12 gc(); // collect div's wrapper

	13 observer.disconnect();

	14 </script>

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