[Webkit-unassigned] [Bug 203854] [Win] 64-bit builds unusable on current Visual Studio 2019 (16.3.7)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203854

--- Comment #1 from Brent Fulgham <bfulgham at webkit.org> ---
On launch of MiniBrowser to https://webkit.org:

ASSERTION FAILED: from.isCell() && from.asCell()->JSCell::inherits(from.asCell()->vm(), std::remove_pointer<To>::type::info())

Details:

ucrtbase.dll!abort()
WTF.dll!WTFCrashWithSecurityImplication() Line 327
        at C:\Projects\WebKit\OpenSource\Source\WTF\wtf\Assertions.cpp(327)
JavaScriptCore.dll!JSC::jsCast<JSC::JSString *>(JSC::JSValue from) Line 45
        at C:\Projects\WebKit\OpenSource\Source\JavaScriptCore\runtime\JSCast.h(45)
JavaScriptCore.dll!JSC::regExpProtoFuncMatchFast(JSC::JSGlobalObject * globalObject, JSC::CallFrame * callFrame) Line 124
        at C:\Projects\WebKit\OpenSource\Source\JavaScriptCore\runtime\RegExpPrototype.cpp(124)
[External Code]

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