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https://bugs.webkit.org/show_bug.cgi?id=51355bdakin@apple.com authored
RenderMathMLSubSup::layout() because of null base -and corresponding- <rdar://problem/8712200> Reviewed by Ada Chan. Only use base inside if(base) block. * mathml/RenderMathMLSubSup.cpp: (WebCore::RenderMathMLSubSup::layout): LayoutTests: Test for https://bugs.webkit.org/show_bug.cgi?id=51355 Crash in RenderMathMLSubSup::layout() because of null base -and corresponding- <rdar://problem/8712200> Reviewed by Ada Chan. * mathml/empty-msubsup-crash-expected.txt: Added. * mathml/empty-msubsup-crash.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@74370 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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