[Webkit-unassigned] [Bug 246537] New: REGRESSION (255506 at main-255532@main): [Win] fast/block/positioning/border-change-relayout-test.html is consistently crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=246537

            Bug ID: 246537
           Summary: REGRESSION (255506 at main-255532@main): [Win]
                    fast/block/positioning/border-change-relayout-test.htm
                    l is consistently crashing
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Created attachment 462994

  --> https://bugs.webkit.org/attachment.cgi?id=462994&action=review

crash log

fast/block/positioning/border-change-relayout-test.html is consistently crashing on Windows

FAULTING_IP: 
WebKit!WebCore::RenderStyle::operator=+22 [C:\cygwin\home\buildbot\worker\Windows-EWS\build\Source\WebCore\rendering\style\RenderStyle.cpp @ 145]

    Frame[00]  Triage Symbol: [WebKit!WebCore::RenderStyle::operator=+0x22]
    Frame[01]  Triage Symbol: [WebKit!WebCore::Layout::Box::updateStyle+0x19]
    Frame[02]  Triage Symbol: [WebKit!WebCore::LayoutIntegration::BoxTree::updateStyle+0xef]
    Frame[03]  Triage Symbol: [WebKit!WebCore::LayoutIntegration::LineLayout::updateStyle+0x5a]
    Frame[04]  Triage Symbol: [WebKit!WebCore::RenderBox::styleDidChange+0x987]
    Frame[05]  Triage Symbol: [WebKit!WebCore::RenderBlockFlow::styleDidChange+0x1e]
    Frame[06]  Triage Symbol: [WebKit!WebCore::RenderElement::setStyle+0x228]
    Frame[07]  Triage Symbol: [WebKit!WebCore::RenderTreeUpdater::updateElementRenderer+0x2b4]
    Frame[08]  Triage Symbol: [WebKit!WebCore::RenderTreeUpdater::updateRenderTree+0x5c5]
    Frame[09]  Triage Symbol: [WebKit!WebCore::RenderTreeUpdater::commit+0x88]
    Frame[0a]  Triage Symbol: [WebKit!WebCore::Document::updateRenderTree+0x78]
    Frame[0b]  Triage Symbol: [WebKit!WebCore::Document::resolveStyle+0x482]
    Frame[0c]  Triage Symbol: [WebKit!WebView::notifyPreferencesChanged+0x11f5]
    Frame[0d]  Triage Symbol: [WebKit!WebView::onNotify+0x88]
    Frame[0e]  Triage Symbol: [WebKit!WebNotificationCenter::postNotificationInternal+0xff]
    Frame[0f]  Triage Symbol: [WebKit!WebNotificationCenter::postNotificationName+0x3f]
    Frame[10]  Triage Symbol: [WebKit!WebPreferences::postPreferencesChangesNotification+0x69]
    Frame[11]  Triage Symbol: [WebKit!WebPreferences::stopBatchingUpdates+0x32]
    Frame[12]  Triage Symbol: [DumpRenderTreeLib!resetWebViewToConsistentStateBeforeTesting+0x2f3]
    Frame[13]  Triage Symbol: [DumpRenderTreeLib!runTest+0xc19]
    Frame[14]  Triage Symbol: [DumpRenderTreeLib!main+0x53f]
    Frame[15]  Triage Symbol: [DumpRenderTree!main+0x81d]
    Frame[16]  Triage Symbol: [DumpRenderTree!__scrt_common_main_seh+0x10c]
    Frame[17]  Triage Symbol: [KERNEL32!BaseThreadInitThunk+0x14]
    Frame[18]  Triage Symbol: [ntdll!RtlUserThreadStart+0x21]

https://results.webkit.org/?suite=layout-tests&test=fast%2Fblock%2Fpositioning%2Fborder-change-relayout-test.html&platform=win

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