[Webkit-unassigned] [Bug 105880] New: ASSERTION FAILED: cur || !toRenderInline(prev)->continuation() in WebCore::endOfContinuations()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=105880

           Summary: ASSERTION FAILED: cur ||
                    !toRenderInline(prev)->continuation() in
                    WebCore::endOfContinuations()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: christophe.dumez at intel.com


We sometimes hit the following assertion in WebCore::endOfContinuations(WebCore::RenderObject*):
crash log for WebProcess (pid <unknown>):
STDOUT: <empty>
STDERR: ASSERTION FAILED: cur || !toRenderInline(prev)->continuation()
STDERR: /home/buildslave-1/webkit-buildslave/efl-linux-64-debug-wk2/build/Source/WebCore/accessibility/AccessibilityRenderObject.cpp(279) : WebCore::RenderObject* WebCore::endOfContinuations(WebCore::RenderObject*)
STDERR: 1   0x7f4d0f2abf1f
STDERR: 2   0x7f4d0f2ac4e3 WebCore::AccessibilityRenderObject::nextSibling() const
STDERR: 3   0x7f4d0f29cbf2 WebCore::AccessibilityNodeObject::textUnderElement() const
STDERR: 4   0x7f4d0f2ad56f WebCore::AccessibilityRenderObject::textUnderElement() const
STDERR: 5   0x7f4d0f29cbb7 WebCore::AccessibilityNodeObject::textUnderElement() const
STDERR: 6   0x7f4d0f2ad56f WebCore::AccessibilityRenderObject::textUnderElement() const
STDERR: 7   0x7f4d0f29cbb7 WebCore::AccessibilityNodeObject::textUnderElement() const
STDERR: 8   0x7f4d0f2ad56f WebCore::AccessibilityRenderObject::textUnderElement() const
STDERR: 9   0x7f4d10689262 WebCore::AccessibilityObject::accessibilityPlatformIncludesObject() const
STDERR: 10  0x7f4d0f2aeef8 WebCore::AccessibilityRenderObject::accessibilityIsIgnoredBase() const
STDERR: 11  0x7f4d0f2aef3e WebCore::AccessibilityRenderObject::accessibilityIsIgnored() const
STDERR: 12  0x7f4d0f27cbc6 WebCore::AXObjectCache::childrenChanged(WebCore::AccessibilityObject*)
STDERR: 13  0x7f4d0f27cb49 WebCore::AXObjectCache::childrenChanged(WebCore::RenderObject*)
STDERR: 14  0x7f4d0fe03a14 WebCore::RenderObject::willBeDestroyed()
STDERR: 15  0x7f4d0fdd462c WebCore::RenderLayerModelObject::willBeDestroyed()
STDERR: 16  0x7f4d0fd305f0 WebCore::RenderBoxModelObject::willBeDestroyed()
STDERR: 17  0x7f4d0fd1073a WebCore::RenderBox::willBeDestroyed()
STDERR: 18  0x7f4d0fc9fe4c WebCore::RenderBlock::willBeDestroyed()
STDERR: 19  0x7f4d0fe042b9 WebCore::RenderObject::destroy()
STDERR: 20  0x7f4d0fd88ec1 WebCore::RenderInline::willBeDestroyed()
STDERR: 21  0x7f4d0fe042b9 WebCore::RenderObject::destroy()
STDERR: 22  0x7f4d0fe07464 WebCore::RenderObjectChildList::destroyLeftoverChildren()
STDERR: 23  0x7f4d0fd88e91 WebCore::RenderInline::willBeDestroyed()
STDERR: 24  0x7f4d0fe042b9 WebCore::RenderObject::destroy()
STDERR: 25  0x7f4d0fe04292 WebCore::RenderObject::destroyAndCleanupAnonymousWrappers()
STDERR: 26  0x7f4d0f57191e WebCore::Node::detach()
STDERR: 27  0x7f4d0f4a9b82 WebCore::ContainerNode::detach()
STDERR: 28  0x7f4d0f5284fa WebCore::Element::detach()
STDERR: 29  0x7f4d0f4a9150 WebCore::ContainerNode::removeChildren()
STDERR: 30  0x7f4d0f685745 WebCore::replaceChildrenWithFragment(WebCore::ContainerNode*, WTF::PassRefPtr<WebCore::DocumentFragment>, int&)
STDERR: 31  0x7f4d0f6e9442 WebCore::HTMLElement::setInnerHTML(WTF::String const&, int&)

At least the following test have been seen crashing sometimes:
  fast/dom/Range/range-extract-contents.html

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