[Webkit-unassigned] [Bug 206156] [macCatalyst] UI process crashes on launch after r254101

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=206156

--- Comment #2 from Wenson Hsieh <wenson_hsieh at apple.com> ---
    frame #1: 0x000000010909c00f WebKit`initBKSDisplayBrightnessGetCurrent() at WebProcessPoolCocoa.mm:107:1 [opt]
    frame #2: 0x00000001090f1d3b WebKit`WebKit::WebProcessPool::initializeNewWebProcess(this=<unavailable>, process=0x0000000129be53c0, websiteDataStore=0x0000600000be3848, isPrewarmed=No) at WebProcessPool.cpp:1059:64 [opt]
    frame #3: 0x00000001090f22bd WebKit`WebKit::WebProcessPool::createNewWebProcess(this=0x00007f8d2e0d8008, websiteDataStore=0x0000600000be3848, isPrewarmed=No) at WebProcessPool.cpp:836:5 [opt]
    frame #4: 0x00000001090f3805 WebKit`WebKit::WebProcessPool::processForRegistrableDomain(this=0x00007f8d2e0d8008, websiteDataStore=0x0000600000be3848, page=<unavailable>, registrableDomain=<unavailable>) at WebProcessPool.cpp:0 [opt]
    frame #5: 0x00000001090b3c83 WebKit`WebKit::WebPageProxy::launchProcess(this=0x00007f8d2e0e9620, registrableDomain=0x00007ffee6ea3990, reason=InitialProcess) at WebPageProxy.cpp:766:33 [opt]
    frame #6: 0x00000001090b725f WebKit`WebKit::WebPageProxy::loadRequest(this=0x00007f8d2e0e9620, request=0x00007ffee6ea3b90, shouldOpenExternalURLsPolicy=<unavailable>, userData=<unavailable>) at WebPageProxy.cpp:1245:9 [opt]
    frame #7: 0x000000010901ab1d WebKit`-[WKWebView loadRequest:](self=<unavailable>, _cmd=<unavailable>, request=<unavailable>) at WKWebView.mm:701:27 [opt]

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