<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<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: !((anchorType == PositionIsBeforeChildren || anchorType == PositionIsAfterChildren) && (is<Text>(*m_anchorNode) || editingIgnoresContent(*m_anchorNode))) in WebCore::Position::Position"
href="https://bugs.webkit.org/show_bug.cgi?id=164053">164053</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: !((anchorType == PositionIsBeforeChildren || anchorType == PositionIsAfterChildren) && (is<Text>(*m_anchorNode) || editingIgnoresContent(*m_anchorNode))) in WebCore::Position::Position
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Local 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>HTML Editing
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hodovan@inf.u-szeged.hu
</td>
</tr></table>
<p>
<div>
<pre>Load the attached test with debug WebKitTestRunner:
Checked version: 2c9fa6e
OS: Darwin-15.6.0-x86_64-i386-64bit
<script>window.onload=function(){window.scroll(document)
document.execCommand('selectAll')
document.designMode='on'
document.execCommand('indent')
try{('')}catch(e){}}</script><a><output><
Backtrace:
ASSERTION FAILED: !((anchorType == PositionIsBeforeChildren || anchorType == PositionIsAfterChildren) && (is<Text>(*m_anchorNode) || editingIgnoresContent(*m_anchorNode)))
WebKit/Source/WebCore/dom/Position.cpp(121) : WebCore::Position::Position(PassRefPtr<WebCore::Node>, WebCore::Position::AnchorType)
1 0x10b1054f1 WTFCrash
2 0x113fb526b WebCore::Position::Position(WTF::PassRefPtr<WebCore::Node>, WebCore::Position::AnchorType)
3 0x113fb529b WebCore::Position::Position(WTF::PassRefPtr<WebCore::Node>, WebCore::Position::AnchorType)
4 0x10f43bf39 WebCore::firstPositionInNode(WebCore::Node*)
5 0x10fc16a6b WebCore::CompositeEditCommand::splitTreeToNode(WebCore::Node*, WebCore::Node*, bool)
6 0x111844855 WebCore::IndentOutdentCommand::indentIntoBlockquote(WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&)
7 0x1118466bc WebCore::IndentOutdentCommand::formatRange(WebCore::Position const&, WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&)
8 0x10f5ed191 WebCore::ApplyBlockElementCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&)
9 0x11184662f WebCore::IndentOutdentCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&)
10 0x10f5ebdf8 WebCore::ApplyBlockElementCommand::doApply()
11 0x10fc04a4a WebCore::CompositeEditCommand::apply()
12 0x10fc046b1 WebCore::applyCommand(WTF::PassRefPtr<WebCore::CompositeEditCommand>)
13 0x110896ecf WebCore::executeIndent(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&)
14 0x110892cfc WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const
15 0x1105471d2 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&)
16 0x111f949f9 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*)
17 0x505cde401028
18 0x10a78a994 llint_entry
19 0x10a7834ae vmEntryToJavaScript
20 0x10a1b12be JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
21 0x10a07c6f1 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
22 0x108b5d71b JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
23 0x108b5dc38 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
24 0x108b5e6ae JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
25 0x111d261f1 WebCore::JSMainThreadExecState::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
26 0x11243bbed WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*)
27 0x1109b33c9 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener>, 1ul, WTF::CrashOnOverflow, 16ul>)
28 0x1109b2c16 WebCore::EventTarget::fireEventListeners(WebCore::Event&)
29 0x11078a92b WebCore::DOMWindow::dispatchEvent(WebCore::Event&, WebCore::EventTarget*)
30 0x1107a1345 WebCore::DOMWindow::dispatchLoadEvent()
31 0x11052fad2 WebCore::Document::dispatchWindowLoadEvent()
ASAN:DEADLYSIGNAL
=================================================================
==17361==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00010b105529 bp 0x7fff5e3a1dd0 sp 0x7fff5e3a1dc0 T0)
#0 0x10b105528 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528)
#1 0x113fb526a in WebCore::Position::Position(WTF::PassRefPtr<WebCore::Node>, WebCore::Position::AnchorType) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4c1c26a)
#2 0x113fb529a in WebCore::Position::Position(WTF::PassRefPtr<WebCore::Node>, WebCore::Position::AnchorType) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4c1c29a)
#3 0x10f43bf38 in WebCore::firstPositionInNode(WebCore::Node*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0xa2f38)
#4 0x10fc16a6a in WebCore::CompositeEditCommand::splitTreeToNode(WebCore::Node*, WebCore::Node*, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x87da6a)
#5 0x111844854 in WebCore::IndentOutdentCommand::indentIntoBlockquote(WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x24ab854)
#6 0x1118466bb in WebCore::IndentOutdentCommand::formatRange(WebCore::Position const&, WebCore::Position const&, WebCore::Position const&, WTF::RefPtr<WebCore::Element>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x24ad6bb)
#7 0x10f5ed190 in WebCore::ApplyBlockElementCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x254190)
#8 0x11184662e in WebCore::IndentOutdentCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x24ad62e)
#9 0x10f5ebdf7 in WebCore::ApplyBlockElementCommand::doApply() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x252df7)
#10 0x10fc04a49 in WebCore::CompositeEditCommand::apply() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x86ba49)
#11 0x10fc046b0 in WebCore::applyCommand(WTF::PassRefPtr<WebCore::CompositeEditCommand>) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x86b6b0)
#12 0x110896ece in WebCore::executeIndent(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x14fdece)
#13 0x110892cfb in WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x14f9cfb)
#14 0x1105471d1 in WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x11ae1d1)
#15 0x111f949f8 in WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x2bfb9f8)
#16 0x505cde401027 (<unknown module>)
#17 0x10a78a993 in llint_entry (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2386993)
#18 0x10a7834ad in vmEntryToJavaScript (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x237f4ad)
#19 0x10a1b12bd in JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1dad2bd)
#20 0x10a07c6f0 in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1c786f0)
#21 0x108b5d71a in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x75971a)
#22 0x108b5dc37 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x759c37)
#23 0x108b5e6ad in JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x75a6ad)
#24 0x111d261f0 in WebCore::JSMainThreadExecState::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x298d1f0)
#25 0x11243bbec in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x30a2bec)
#26 0x1109b33c8 in WebCore::EventTarget::fireEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener>, 1ul, WTF::CrashOnOverflow, 16ul>) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x161a3c8)
#27 0x1109b2c15 in WebCore::EventTarget::fireEventListeners(WebCore::Event&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1619c15)
#28 0x11078a92a in WebCore::DOMWindow::dispatchEvent(WebCore::Event&, WebCore::EventTarget*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x13f192a)
#29 0x1107a1344 in WebCore::DOMWindow::dispatchLoadEvent() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1408344)
#30 0x11052fad1 in WebCore::Document::dispatchWindowLoadEvent() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1196ad1)
#31 0x11052554c in WebCore::Document::implicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x118c54c)
#32 0x110e0b1e2 in WebCore::FrameLoader::checkCallImplicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a721e2)
#33 0x110e0accb in WebCore::FrameLoader::checkCompleted() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71ccb)
#34 0x110e07176 in WebCore::FrameLoader::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a6e176)
#35 0x110549ab2 in WebCore::Document::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x11b0ab2)
#36 0x1111d0555 in WebCore::HTMLConstructionSite::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1e37555)
#37 0x1114c85b7 in WebCore::HTMLTreeBuilder::finished() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x212f5b7)
#38 0x111243cfb in WebCore::HTMLDocumentParser::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaacfb)
#39 0x11123f9e6 in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1ea69e6)
#40 0x11123f64d in WebCore::HTMLDocumentParser::prepareToStopParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1ea664d)
#41 0x111243d9b in WebCore::HTMLDocumentParser::attemptToEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaad9b)
#42 0x111243df3 in WebCore::HTMLDocumentParser::finish() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaadf3)
#43 0x11070e97f in WebCore::DocumentWriter::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x137597f)
#44 0x110668e56 in WebCore::DocumentLoader::finishedLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12cfe56)
#45 0x11066898a in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12cf98a)
#46 0x10f9aab23 in WebCore::CachedResource::checkNotify() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x611b23)
#47 0x10f9aad13 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x611d13)
#48 0x10f99fd54 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x606d54)
#49 0x115498e8e in WebCore::SubresourceLoader::didFinishLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x60ffe8e)
#50 0x1032fe43e in WebKit::WebResourceLoader::didFinishResourceLoad(double) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9143e)
#51 0x10330c6ce in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9f6ce)
#52 0x10330c374 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<double>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9f374)
#53 0x103309680 in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9c680)
#54 0x103307a10 in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9aa10)
#55 0x102030da9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x7c3da9)
#56 0x101a44fba in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d7fba)
#57 0x101a2d7c4 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1c07c4)
#58 0x101a45ca5 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d8ca5)
#59 0x101a5625c in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e925c)
#60 0x101a56188 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e9188)
#61 0x10b189830 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d85830)
#62 0x10b1d3d50 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dcfd50)
#63 0x10b1d4b11 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dd0b11)
#64 0x7fff81c1f880 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa880)
#65 0x7fff81bfefbb in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x89fbb)
#66 0x7fff81bfe4de in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x894de)
#67 0x7fff81bfded7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88ed7)
#68 0x7fff82fde934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934)
#69 0x7fff82fde76e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e)
#70 0x7fff82fde5ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae)
#71 0x7fff8e643df5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5)
#72 0x7fff8e643225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225)
#73 0x7fff8e637d7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f)
#74 0x7fff8e601367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367)
#75 0x7fff92f09193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193)
#76 0x7fff92f07bbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd)
#77 0x101856f73 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001f73)
#78 0x7fff8ab8d5ac in start (/usr/lib/system/libdyld.dylib+0x35ac)
#79 0x0 (<unknown module>)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) in WTFCrash
==17361==ABORTING
#CRASHED - com.apple.WebKit.WebContent.Development (pid 17361)</pre>
</div>
</p>
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