Bug 179855 - REGRESSION (r220646): RenderTreePosition::computeNextSibling hits assertion with certain first-letter mutations
Summary: REGRESSION (r220646): RenderTreePosition::computeNextSibling hits assertion w...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2017-11-17 17:43 PST by Antti Koivisto
Modified: 2017-11-18 03:46 PST (History)
4 users (show)

See Also:

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 Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

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Description Antti Koivisto 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()
Comment 1 Antti Koivisto 2017-11-17 17:44:36 PST 
<rdar://problem/35464071>
Comment 2 Antti Koivisto 2017-11-17 17:45:02 PST 
Created attachment 327288 [details]
test case
Comment 3 Antti Koivisto 2017-11-17 17:59:44 PST 
Created attachment 327292 [details]
patch
Comment 4 WebKit Commit Bot 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>
Comment 5 WebKit Commit Bot 2017-11-18 03:46:11 PST 
All reviewed patches have been landed.  Closing bug.