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<base href="https://bugs.webkit.org/" />
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: m_parsedStyleSheetCache->isInMemoryCache()"
href="https://bugs.webkit.org/show_bug.cgi?id=163905">163905</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: m_parsedStyleSheetCache->isInMemoryCache()
</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>
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<pre>Flaky assertion failure seen with http/tests/misc/acid2.html
ASSERTION FAILED: m_parsedStyleSheetCache->isInMemoryCache()
/Volumes/Data/slave/elcapitan-debug/build/Source/WebCore/loader/cache/CachedCSSStyleSheet.cpp(167) : PassRefPtr<WebCore::StyleSheetContents> WebCore::CachedCSSStyleSheet::restoreParsedStyleSheet(const WebCore::CSSParserContext &, WebCore::CachePolicy)
1 0x10fe69310 WTFCrash
2 0x1153778fd WebCore::CachedCSSStyleSheet::restoreParsedStyleSheet(WebCore::CSSParserContext const&, WebCore::CachePolicy)
3 0x115e261f5 WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::URL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*)
4 0x115e265c7 non-virtual thunk to WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::URL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*)
5 0x1153770ea WebCore::CachedCSSStyleSheet::didAddClient(WebCore::CachedResourceClient&)
6 0x11538e430 WebCore::CachedResource::addClient(WebCore::CachedResourceClient&)
7 0x115e25541 WebCore::HTMLLinkElement::process()
8 0x115e25e2c WebCore::HTMLLinkElement::insertedInto(WebCore::ContainerNode&)
9 0x1154af9c8 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
10 0x1154afdf0 WebCore::notifyChildNodeInserted(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
11 0x1154a09a6 WebCore::ContainerNode::notifyChildInserted(WebCore::Node&, WebCore::ContainerNode::ChildChangeSource)
12 0x11549fa2c WebCore::ContainerNode::parserAppendChild(WebCore::Node&)
13 0x115d94a63 WebCore::insert(WebCore::HTMLConstructionSiteTask&)
14 0x115d946ee WebCore::executeInsertTask(WebCore::HTMLConstructionSiteTask&)
15 0x115d90ed2 WebCore::executeTask(WebCore::HTMLConstructionSiteTask&)
16 0x115d90e66 WebCore::HTMLConstructionSite::executeQueuedTasks()
17 0x115ee4f0e WebCore::HTMLTreeBuilder::constructTree(WebCore::AtomicHTMLToken&)
18 0x115dc45e3 WebCore::HTMLDocumentParser::constructTreeFromHTMLToken(WebCore::HTMLTokenizer::TokenPtr&)
19 0x115dc44ef WebCore::HTMLDocumentParser::pumpTokenizerLoop(WebCore::HTMLDocumentParser::SynchronousMode, bool, WebCore::PumpSession&)
20 0x115dc31ed WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode)
21 0x115dc2dee WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode)
22 0x115dc4fd3 WebCore::HTMLDocumentParser::append(WTF::RefPtr<WTF::StringImpl>&&)
23 0x1157ff2f5 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter&, char const*, unsigned long)
24 0x115941e93 WebCore::DocumentWriter::addData(char const*, unsigned long)
25 0x1158fd01e WebCore::DocumentLoader::commitData(char const*, unsigned long)
26 0x11ec903fd -[WebFrame(WebInternal) _commitData:]
27 0x11ecce610 -[WebHTMLRepresentation receivedData:withDataSource:]
28 0x11ec6cbea -[WebDataSource(WebInternal) _receivedData:]
29 0x11eca09d7 WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int)
30 0x1158ffb30 WebCore::DocumentLoader::commitLoad(char const*, int)
31 0x1158ffa56 WebCore::DocumentLoader::dataReceived(char const*, int)</pre>
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