[webkit-reviews] review granted: [Bug 136464] Fix an assertion sometimes seen under RenderLayerCompositor::detachRootLayer() : [Attachment 237514] Patch

[bugzilla-daemon at webkit.org]

Tim Horton <thorton at apple.com> has granted Simon Fraser (smfr)
<simon.fraser at apple.com>'s request for review:
Bug 136464: Fix an assertion sometimes seen under
RenderLayerCompositor::detachRootLayer()
https://bugs.webkit.org/show_bug.cgi?id=136464

Attachment 237514: Patch
https://bugs.webkit.org/attachment.cgi?id=237514&action=review

------- Additional Comments from Tim Horton <thorton at apple.com>
View in context: https://bugs.webkit.org/attachment.cgi?id=237514&action=review


> Source/WebCore/rendering/RenderLayerCompositor.cpp:3451
> +    if (RenderLayerBacking* backing = layer ? layer->backing() : 0)

nullptr

What makes us sure layout is up to date now?