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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERT(!throwScope.exception()) on imported/w3c/web-platform-tests/fetch/api/cors/cors-preflight-status.html"
href="https://bugs.webkit.org/show_bug.cgi?id=170395">170395</a>
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<th>Summary</th>
<td>ASSERT(!throwScope.exception()) on imported/w3c/web-platform-tests/fetch/api/cors/cors-preflight-status.html
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Local Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>ap@webkit.org
</td>
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<th>CC</th>
<td>mark.lam@apple.com, ryanhaddad@apple.com, webkit-bug-importer@group.apple.com, youennf@gmail.com
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<pre>imported/w3c/web-platform-tests/fetch/api/cors/cors-preflight-status.html very frequently asserts:
<a href="https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fapi%2Fcors%2Fcors-preflight-status.html">https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fapi%2Fcors%2Fcors-preflight-status.html</a>
Thread 24 Crashed:: WebCore: Worker
0 com.apple.JavaScriptCore 0x0000000111327457 WTFCrash + 39 (Assertions.cpp:323)
1 com.apple.JavaScriptCore 0x00000001109d968d JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 205 (Interpreter.cpp:897)
2 com.apple.JavaScriptCore 0x000000011013879e JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 190 (CallData.cpp:39)
3 com.apple.WebCore 0x00000001199ecc9f WebCore::DeferredPromise::callFunction(JSC::ExecState&, JSC::JSValue, JSC::JSValue) + 287 (JSDOMPromise.cpp:59)
4 com.apple.WebCore 0x0000000119440d15 WebCore::DeferredPromise::reject(JSC::ExecState&, JSC::JSValue) + 85 (JSDOMPromise.h:127)
5 com.apple.WebCore 0x00000001199ed16f WebCore::DeferredPromise::reject(int, WTF::String const&) + 287 (JSDOMPromise.cpp:109)
6 com.apple.WebCore 0x0000000119031cd7 void WebCore::DOMPromiseBase::reject<WebCore::$_0>(WebCore::$_0&&) + 71 (JSDOMPromise.h:167)
7 com.apple.WebCore 0x0000000119031b38 WebCore::FetchResponse::BodyLoader::didFail() + 264 (FetchResponse.cpp:141)
8 com.apple.WebCore 0x000000011902d269 WebCore::FetchLoader::didFail(WebCore::ResourceError const&) + 41 (FetchLoader.cpp:152)</pre>
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