To be more explicit about what data we need to transfer from the previous line.
Created attachment 245170 [details] Patch
Comment on attachment 245170 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=245170&action=review > Source/WebCore/rendering/SimpleLineLayout.cpp:362 > +static void initializeNewLine(LineState& lineState, const RenderBlockFlow& flow, const FlowContents& flowContents, unsigned lineStartRunIndex) You could return the new line instead of mutating the argument.
Committed r178964: <http://trac.webkit.org/changeset/178964>