[Webkit-unassigned] [Bug 219468] New: GPU Process: Canvas pattern tests assert under encodeSingleObject()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219468

            Bug ID: 219468
           Summary: GPU Process: Canvas pattern tests assert under
                    encodeSingleObject()
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: thorton at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

SHOULD NEVER BE REACHED
Source/WebKit/Platform/IPC/Encoder.h(110) : static RefPtr<WebCore::SharedBuffer> IPC::Encoder::encodeSingleObject(const T &) [T = WebCore::DisplayList::SetState]
WTFCrash
WTFCrashWithInfo(int, char const*, char const*, int)
WTF::RefPtr<WebCore::SharedBuffer, WTF::RawPtrTraits<WebCore::SharedBuffer>, WTF::DefaultRefDerefTraits<WebCore::SharedBuffer> > IPC::Encoder::encodeSingleObject<WebCore::DisplayList::SetState>(WebCore::DisplayList::SetState const&)
WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableMappedIOSurfaceBackend>::encodeItem(WebCore::DisplayList::ItemHandle) const
non-virtual thunk to WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableMappedIOSurfaceBackend>::encodeItem(WebCore::DisplayList::ItemHandle) const
WebCore::DisplayList::ItemBuffer::appendEncodedData(WebCore::DisplayList::ItemHandle)
void WebCore::DisplayList::ItemBuffer::append<WebCore::DisplayList::SetState, WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&>(WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&)
void WebCore::DisplayList::DisplayList::append<WebCore::DisplayList::SetState, WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&>(WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&)
void WebCore::DisplayList::Recorder::append<WebCore::DisplayList::SetState, WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&>(WebCore::GraphicsContextState const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>&)
WebCore::DisplayList::Recorder::appendStateChangeItem(WebCore::GraphicsContextStateChange const&, WTF::OptionSet<WebCore::GraphicsContextState::Change>)

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