[Webkit-unassigned] [Bug 171501] New: ASSERTION FAILED: m_layoutPhase == InPostLayerPositionsUpdatedAfterLayout || m_layoutPhase == OutsideLayout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171501

            Bug ID: 171501
           Summary: ASSERTION FAILED: m_layoutPhase ==
                    InPostLayerPositionsUpdatedAfterLayout ||
                    m_layoutPhase == OutsideLayout
           Product: WebKit
           Version: WebKit Nightly Build
          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 308736

  --> https://bugs.webkit.org/attachment.cgi?id=308736&action=review

Crashlog

editing/execCommand/show-modal-dialog-during-execCommand.html has been asserting on mac-wk1 debug since it was enabled in https://trac.webkit.org/changeset/215970/webkit

https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r216014%20(899)/results.html

ASSERTION FAILED: m_layoutPhase == InPostLayerPositionsUpdatedAfterLayout || m_layoutPhase == OutsideLayout
/Volumes/Data/slave/sierra-debug/build/Source/WebCore/page/FrameView.cpp(4476) : virtual void WebCore::FrameView::paintContents(WebCore::GraphicsContext &, const WebCore::IntRect &)
1   0x10271ba0d WTFCrash
2   0x10acc44e6 WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&)
3   0x11516af36 -[WebFrame(WebInternal) _drawRect:contentsOnly:]
4   0x1151c134b -[WebHTMLView drawSingleRect:]
5   0x1151c1a75 -[WebHTMLView drawRect:]
6   0x7fff8cdc6369 -[NSView _drawRect:clip:]
7   0x7fff8ce162ff -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
8   0x1151b4baf -[WebHTMLView(WebPrivate) _recursiveDisplayAllDirtyWithLockFocus:visRect:]
9   0x7fff8cfcfc6a -[NSView _recursiveDisplaySelfAndDescendantsInRect:]
10  0x7fff8cfbe392 -[NSView _recursiveDisplayDescendantsInRect:]
11  0x7fff8ce1655b -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
12  0x7fff8cfcfc6a -[NSView _recursiveDisplaySelfAndDescendantsInRect:]
13  0x7fff8cfbe392 -[NSView _recursiveDisplayDescendantsInRect:]
14  0x7fff8ce1655b -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
15  0x7fff8cfcfc6a -[NSView _recursiveDisplaySelfAndDescendantsInRect:]
16  0x7fff8cfbe392 -[NSView _recursiveDisplayDescendantsInRect:]
17  0x7fff8ce1655b -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
18  0x7fff8cdc3ea2 -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
19  0x7fff8cdc1aa8 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:]
20  0x7fff8cf275d5 -[NSView displayIfNeededInRectIgnoringOpacity:]
21  0x7fff8cf27301 -[NSView displayRectIgnoringOpacity:]
22  0x10cf929c2 WebCore::Widget::paint(WebCore::GraphicsContext&, WebCore::IntRect const&)
23  0x10c8571ee WebCore::ScrollView::paint(WebCore::GraphicsContext&, WebCore::IntRect const&)
24  0x10c705b64 WebCore::RenderWidget::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
25  0x10c7063d0 WebCore::RenderWidget::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
26  0x10c45faaf WebCore::paintPhase(WebCore::RenderElement&, WebCore::PaintPhase, WebCore::PaintInfo&, WebCore::LayoutPoint const&)
27  0x10c45fa29 WebCore::RenderElement::paintAsInlineBlock(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
28  0x10b146349 WebCore::InlineElementBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit)
29  0x10b150571 WebCore::InlineFlowBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit)
30  0x10c76db8f WebCore::RootInlineBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit)
31  0x10c547f55 WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const

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