RESOLVED FIXED 179855
REGRESSION (r220646): RenderTreePosition::computeNextSibling hits assertion with certain first-letter mutations 
https://bugs.webkit.org/show_bug.cgi?id=179855
Summary REGRESSION (r220646): RenderTreePosition::computeNextSibling hits assertion w...
Antti Koivisto
Reported 2017-11-17 17:43:37 PST
ASSERTION FAILED: skipAssert || nextSiblingRenderer(node) == m_nextSibling /Users/antti/webkit/OpenSource/Source/WebCore/style/RenderTreePosition.cpp(55) : void WebCore::RenderTreePosition::computeNextSibling(const WebCore::Node &) 1 0x6073a73dd WTFCrash 2 0x5faf770fc WebCore::RenderTreePosition::computeNextSibling(WebCore::Node const&) 3 0x5faf7b5de WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&)::$_6::operator()() const 4 0x5faf7a4ed WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) 5 0x5faf79608 WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdate const&) 6 0x5faf78bed WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) 7 0x5faf784d9 WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 8 0x5f9c78ef3 WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 9 0x5f9c7a5e1 WebCore::Document::updateStyleIfNeeded() 10 0x5fa4f71fe WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive() 11 0x11014cef5 WebKit::WebPage::layoutIfNeeded()
Attachments
test case (504 bytes, text/html)
2017-11-17 17:45 PST, Antti Koivisto 		no flags
Details
patch (7.66 KB, patch)
2017-11-17 17:59 PST, Antti Koivisto 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Antti Koivisto
Comment 1 2017-11-17 17:44:36 PST
<rdar://problem/35464071>
Antti Koivisto
Comment 2 2017-11-17 17:45:02 PST
Created attachment 327288 [details] test case
Antti Koivisto
Comment 3 2017-11-17 17:59:44 PST
Created attachment 327292 [details] patch
WebKit Commit Bot
Comment 4 2017-11-18 03:46:10 PST
Comment on attachment 327292 [details] patch Clearing flags on attachment: 327292 Committed r225014: <https://trac.webkit.org/changeset/225014>
WebKit Commit Bot
Comment 5 2017-11-18 03:46:11 PST
All reviewed patches have been landed. Closing bug.
Note You need to log in before you can comment on or make changes to this bug.