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<head>
<base href="https://bugs.webkit.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: !lookupForWriting(Extractor::extract(entry)).second"
href="https://bugs.webkit.org/show_bug.cgi?id=167142">167142</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: !lookupForWriting(Extractor::extract(entry)).second
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ryanhaddad@apple.com
</td>
</tr></table>
<p>
<div>
<pre>ASSERTION FAILED: !lookupForWriting(Extractor::extract(entry)).second
/Volumes/Data/slave/elcapitan-debug/build/WebKitBuild/Debug/usr/local/include/wtf/HashTable.h(987) : ValueType *WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::reinsert(ValueType &&) [Key = WebCore::FontPlatformData, Value = WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, Extractor = WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, HashFunctions = WebCore::FontDataCacheKe
1 0x10630d7e0 WTFCrash
2 0x1095e10e1 WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::reinsert(WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >&&)
3 0x1095e0f1d WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::rehash(unsigned int, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >*)
4 0x1095e3b31 WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::shrink()
5 0x1095e3a89 WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::remove(WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >*)
6 0x1095e3a1d WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::removeAndInvalidateWithoutEntryConsistencyCheck(WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >*)
7 0x1095e3999 WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>::removeWithoutEntryConsistencyCheck(WTF::HashTableIterator<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKey
8 0x1095e3886 WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::remove(WTF::HashTableIteratorAdapter<WTF::HashTable<WebCore::FontPlatformData, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >, WebCore::FontDataCacheKeyHash, WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::KeyValuePairTraits, WebCore::FontDataCacheKeyTraits>, WTF::KeyValuePair<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font> > >)
9 0x1095da3b6 WTF::HashMap<WebCore::FontPlatformData, WTF::RefPtr<WebCore::Font>, WebCore::FontDataCacheKeyHash, WebCore::FontDataCacheKeyTraits, WTF::HashTraits<WTF::RefPtr<WebCore::Font> > >::remove(WebCore::FontPlatformData const&)
10 0x1095d937d WebCore::FontCache::purgeInactiveFontData(unsigned int)
11 0x1095d99f3 WebCore::FontCache::invalidate()
12 0x1095ec3d6 WebCore::invalidateFontCache()
13 0x1095ea373 WebCore::fontCacheRegisteredFontsChangedNotificationCallback(__CFNotificationCenter*, void*, __CFString const*, void const*, __CFDictionary const*)
14 0x7fff982dbb1c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__
15 0x7fff982dbaaf ___CFXRegistrationPost_block_invoke
16 0x7fff982dba27 _CFXRegistrationPost
17 0x7fff982db792 ___CFXNotificationPost_block_invoke
18 0x7fff98298542 -[_CFXNotificationRegistrar find:object:observer:enumerator:]
19 0x7fff98297795 _CFXNotificationPost
20 0x7fff982e1395 CFNotificationCenterPostNotification
21 0x7fff870fd0b9 AsynchronousLocalNotificationTimerCallBack(__CFRunLoopTimer*, void*)
22 0x7fff982cdaf4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
23 0x7fff982cd783 __CFRunLoopDoTimer
24 0x7fff982cd2da __CFRunLoopDoTimers
25 0x7fff982c47d1 __CFRunLoopRun
26 0x7fff982c3e38 CFRunLoopRunSpecific
27 0x7fff951a5935 RunCurrentEventLoopInMode
28 0x7fff951a576f ReceiveNextEventCommon
29 0x7fff951a55af _BlockUntilNextEventMatchingListInModeWithFilter
30 0x7fff8a7a6df6 _DPSNextEvent
31 0x7fff8a7a6226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
Seen with imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/srcset/select-an-image-source.html here <a href="https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r210825%20(10434)/results.html">https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r210825%20(10434)/results.html</a></pre>
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