We're crashing inside CALayer sometimes: 24 QuartzCore: -[CALayer setPosition:] ==> 24 WebCore: WebCore::ScrollingTreeFixedNode::updateLayersAfterAncestorChange(WebCore::ScrollingTreeNode const&, WebCore::FloatRect const&, WebCore::FloatSize const&) <== 24 WebCore: WebCore::ScrollingTreeFrameScrollingNodeIOS::updateLayersAfterViewportChange(WebCore::FloatRect const&, double) 24 WebKit: -[WKContentView didUpdateVisibleRect:unobscuredRect:unobscuredRectInScrollViewCoordinates:obscuredInset:inputViewBounds:scale:minimumScale:inStableState:isChangingObscuredInsetsInteractively:enclosedInScrollableAncestorView:]
<rdar://problem/31272462
Created attachment 314104 [details] Fixes the crash
Comment on attachment 314104 [details] Fixes the crash Clearing flags on attachment: 314104 Committed r218915: <http://trac.webkit.org/changeset/218915>
All reviewed patches have been landed. Closing bug.