[Webkit-unassigned] [Bug 208850] New: beta.music.apple.com hits "post-layout: dirty renderer(s)" assert

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=208850

            Bug ID: 208850
           Summary: beta.music.apple.com hits "post-layout: dirty
                    renderer(s)" assert
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

https://beta.music.apple.com/us/playlist/top-100-global/pl.d25f5d1181894928af76c85c967f8f31

2020-03-10 10:55:35.171 MiniBrowser[48648:10450454] WebContent process crashed; reloading
ERROR: post-layout: dirty renderer(s)
page/FrameViewLayoutContext.cpp(129) : auto WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::(anonymous class)::operator()(const WebCore::RenderObject &) const

<snipped too large dump>

SHOULD NEVER BE REACHED
page/FrameViewLayoutContext.cpp(131) : auto WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::(anonymous class)::operator()(const WebCore::RenderObject &) const
1   0x2fbe4ba19 WTFCrash
2   0x2e0f8ab8b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x2e439bb4d WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::'lambda'(WebCore::RenderObject const&)::operator()(WebCore::RenderObject const&) const
4   0x2e439baa2 WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()
5   0x2e4392785 WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()
6   0x2e4391da5 WebCore::FrameViewLayoutContext::layout()
7   0x2e432ef25 WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive()
8   0x2e43b73ce WebCore::Page::layoutIfNeeded()
9   0x2e43b747a WebCore::Page::updateRendering()
10  0x10b7e26f6 WebKit::WebPage::updateRendering()
11  0x10b228d44 WebKit::TiledCoreAnimationDrawingArea::updateRendering(WebKit::TiledCoreAnimationDrawingArea::UpdateRenderingType)
12  0x10b22d2ad WebKit::TiledCoreAnimationDrawingArea::updateRenderingRunLoopCallback()
13  0x10b23cfb8 WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0::operator()() const
14  0x10b23cf6e WTF::Detail::CallableWrapper<WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0, void>::call()
15  0x2e0f9d3b2 WTF::Function<void ()>::operator()() const
16  0x2e4620cc0 WebCore::RunLoopObserver::runLoopObserverFired()
17  0x2e4620c20 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*)
18  0x7fff2e86e6a5 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
19  0x7fff2e86e5d7 __CFRunLoopDoObservers
20  0x7fff2e86d1e9 CFRunLoopRunSpecific
21  0x7fff30f012a8 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
22  0x7fff30fb3d2f -[NSRunLoop(NSRunLoop) run]
23  0x7fff6889151a _xpc_objc_main.cold.4
24  0x7fff68891460 _xpc_objc_main
25  0x7fff68890f93 _xpc_copy_xpcservice_dictionary
26  0x10a7f9af9 WebKit::XPCServiceMain(int, char const**)
27  0x10bb66a7b WKXPCServiceMain
28  0x109f59eb2 main
29  0x7fff68643cc9 start
30  0x1
2020-03-10 10:55:59.869 MiniBrowser[48648:10450454] WebContent process crashed; reloading

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