[Webkit-unassigned] [Bug 170395] New: ASSERT(!throwScope.exception()) on imported/w3c/web-platform-tests/fetch/api/cors/cors-preflight-status.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170395

            Bug ID: 170395
           Summary: ASSERT(!throwScope.exception()) on
                    imported/w3c/web-platform-tests/fetch/api/cors/cors-pr
                    eflight-status.html
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ap at webkit.org
                CC: mark.lam at apple.com, ryanhaddad at apple.com,
                    webkit-bug-importer at group.apple.com, youennf at gmail.com

imported/w3c/web-platform-tests/fetch/api/cors/cors-preflight-status.html very frequently asserts:

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

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)

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