<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>164396</bug_id>
          
          <creation_ts>2016-11-03 19:39:02 -0700</creation_ts>
          <short_desc>Add an assertion to diagnose stress GC bots test failures</short_desc>
          <delta_ts>2016-11-03 20:49:55 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>DOM</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>154907</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Ryosuke Niwa">rniwa</reporter>
          <assigned_to name="Ryosuke Niwa">rniwa</assigned_to>
          <cc>cdumez</cc>
    
    <cc>commit-queue</cc>
    
    <cc>dbates</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>kangil.han</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1247994</commentid>
    <comment_count>0</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2016-11-03 19:39:02 -0700</bug_when>
    <thetext>Somehow we&apos;re hitting an assertion in ElementQueue::invokeAll.
As far as I understand, this assertion should only fire when ElementQueue::add is called while we&apos;re inside invokeAll.
Add an assertion to figure out where this is happening because I can&apos;t reproduce locally.

&lt;rdar://problem/28945851&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248001</commentid>
    <comment_count>1</comment_count>
      <attachid>293847</attachid>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2016-11-03 19:52:27 -0700</bug_when>
    <thetext>Created attachment 293847
Adds an assertion</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248002</commentid>
    <comment_count>2</comment_count>
      <attachid>293847</attachid>
    <who name="Antti Koivisto">koivisto</who>
    <bug_when>2016-11-03 19:55:14 -0700</bug_when>
    <thetext>Comment on attachment 293847
Adds an assertion

View in context: https://bugs.webkit.org/attachment.cgi?id=293847&amp;action=review

&gt; Source/WebCore/dom/CustomElementReactionQueue.cpp:210
&gt; +#if !ASSERT_DISABLED
&gt; +    ASSERT(!m_invoking);
&gt; +#endif

Don&apos;t need ASSERT_DISABLED test here.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248005</commentid>
    <comment_count>3</comment_count>
      <attachid>293848</attachid>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2016-11-03 20:01:39 -0700</bug_when>
    <thetext>Created attachment 293848
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248015</commentid>
    <comment_count>4</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2016-11-03 20:49:27 -0700</bug_when>
    <thetext>The commit-queue encountered the following flaky tests while processing attachment 293848:

inspector/sampling-profiler/call-frame-with-dom-functions.html bug 164399 (author: sbarati@apple.com)
The commit-queue is continuing to process your patch.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248016</commentid>
    <comment_count>5</comment_count>
      <attachid>293848</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2016-11-03 20:49:50 -0700</bug_when>
    <thetext>Comment on attachment 293848
Patch for landing

Clearing flags on attachment: 293848

Committed r208366: &lt;http://trac.webkit.org/changeset/208366&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1248017</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2016-11-03 20:49:55 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
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            <date>2016-11-03 19:52:27 -0700</date>
            <delta_ts>2016-11-03 20:01:33 -0700</delta_ts>
            <desc>Adds an assertion</desc>
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