There are reports about crashes where we run out of stack under invalidateStyleRecursively.
Created attachment 253406 [details] patch
rdar://problem/19736838
Comment on attachment 253406 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=253406&action=review r=me > Source/WebCore/css/StyleInvalidationAnalysis.cpp:120 > + Vector<Element*> parentStack; I'd slap some inline capacity on this Vector.
https://trac.webkit.org/r184615