[Webkit-unassigned] [Bug 215662] New: [WinCairo][MSVC] Release builds crash in WebKit::AuxiliaryProcess::didReceiveInvalidMessage since Visual Studio 2019 16.7.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=215662

            Bug ID: 215662
           Summary: [WinCairo][MSVC] Release builds crash in
                    WebKit::AuxiliaryProcess::didReceiveInvalidMessage
                    since Visual Studio 2019 16.7.1
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com
                CC: 1998zhangyi at gmail.com

[WinCairo][MSVC] Release builds crash in WebKit::AuxiliaryProcess::didReceiveInvalidMessage since Visual Studio 2019 16.7.1

WinCairo, trunk at 265891, Release build, WK2 
I tested with Visual Studio 2019 16.7.1.

> WTF.dll!WTFCrash() Line 295	C++
> WebKit2.dll!WebKit::AuxiliaryProcess::didReceiveInvalidMessage(IPC::Connection & __formal, IPC::MessageName messageName) Line 249	C++
> WebKit2.dll!IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder,std::default_delete<IPC::Decoder>> message) Line 1086	C++
> [Inline Frame] WebKit2.dll!IPC::Connection::dispatchOneIncomingMessage() Line 1139	C++
> [Inline Frame] WebKit2.dll!IPC::Connection::enqueueIncomingMessage::__l2::<lambda_e6394cea93af10ae0ef008ad9586ad3e>::operator()() Line 978	C++
> WebKit2.dll!WTF::Detail::CallableWrapper<<lambda_e6394cea93af10ae0ef008ad9586ad3e>,void>::call() Line 52	C++
> [Inline Frame] WTF.dll!WTF::Function<void __cdecl(void)>::operator()() Line 83	C++
> WTF.dll!WTF::RunLoop::performWork() Line 124	C++
> [Inline Frame] WTF.dll!WTF::RunLoop::wndProc(HWND__ *) Line 56	C++
> WTF.dll!WTF::RunLoop::RunLoopWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 39	C++
> user32.dll!UserCallWinProcCheckWow()	Unknown
> user32.dll!DispatchMessageWorker()	Unknown
> WTF.dll!WTF::RunLoop::run() Line 73	C++
> WebKit2.dll!WebKit::AuxiliaryProcessMain<WebKit::WebProcess,WebKit::WebProcessMainWin>(int argc, char * * argv) Line 71	C++
> WebKitWebProcess.exe!main(int argc, char * * argv) Line 35	C++
> [Inline Frame] WebKitWebProcess.exe!invoke_main() Line 78	C++
> WebKitWebProcess.exe!__scrt_common_main_seh() Line 288	C++
> kernel32.dll!BaseThreadInitThunk()	Unknown
> ntdll.dll!RtlUserThreadStart()	Unknown

Debug builds don't reproduce the crash.
VS 2019 16.7.2 doesn't reproduce the crash

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