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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: isAttributedString || [string isKindOfClass:[NSString class]]"
href="https://bugs.webkit.org/show_bug.cgi?id=164666">164666</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: isAttributedString || [string isKindOfClass:[NSString class]]
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>Other
</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><a href="https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r208617%20(1217)/results.html">https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r208617%20(1217)/results.html</a>
ASSERTION FAILED: isAttributedString || [string isKindOfClass:[NSString class]]
/Volumes/Data/slave/sierra-debug/build/Source/WebKit/mac/WebView/WebHTMLView.mm(7014) : -[WebHTMLView(WebNSTextInputSupport) insertText:]
1 0x10718f74d WTFCrash
2 0x10c8ef50e -[WebHTMLView(WebNSTextInputSupport) insertText:]
3 0x1059c3e6d -[TextInputController insertText:]
4 0x7fffce06c3fc __invoking___
5 0x7fffce06c281 -[NSInvocation invoke]
6 0x1175b0c75 JSC::Bindings::ObjcInstance::invokeObjcMethod(JSC::ExecState*, JSC::Bindings::ObjcMethod*)
7 0x1175b03b8 JSC::Bindings::ObjcInstance::invokeMethod(JSC::ExecState*, JSC::RuntimeMethod*)
8 0x117b2a512 JSC::callRuntimeMethod(JSC::ExecState*)
9 0x106d379da JSC::LLInt::handleHostCall(JSC::ExecState*, JSC::Instruction*, JSC::JSValue, JSC::CodeSpecializationKind)
10 0x106d33b39 JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*)
11 0x106d32e33 JSC::LLInt::genericCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind)
12 0x106d32d23 llint_slow_path_call
13 0x106d409be llint_entry
14 0x106d3933e vmEntryToJavaScript
15 0x106b13cb9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
16 0x106a918d4 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*)
17 0x106387e4d JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
18 0x10638801e JSC::profiledEvaluate(JSC::ExecState*, JSC::ProfilingReason, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
19 0x117b4c05b WebCore::JSMainThreadExecState::profiledEvaluate(JSC::ExecState*, JSC::ProfilingReason, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
20 0x117b4be58 WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld&, WebCore::ExceptionDetails*)
21 0x117b4c13d WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&, WebCore::ExceptionDetails*)
22 0x117b5acc6 WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&)
23 0x117b59b59 WebCore::ScriptElement::prepareScript(WTF::TextPosition const&, WebCore::ScriptElement::LegacyTypeSupport)
24 0x1164a1a91 WebCore::HTMLScriptRunner::runScript(WebCore::Element*, WTF::TextPosition const&)
25 0x1164a18aa WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition const&)
26 0x1163c3c8a WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder()
27 0x1163c4103 WebCore::HTMLDocumentParser::pumpTokenizerLoop(WebCore::HTMLDocumentParser::SynchronousMode, bool, WebCore::PumpSession&)
28 0x1163c2f28 WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode)
29 0x1163c2a7b WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode)
30 0x1163c53c6 WebCore::HTMLDocumentParser::append(WTF::RefPtr<WTF::StringImpl>&&)
31 0x115e112b2 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter&, char const*, unsigned long)</pre>
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