[webkit-reviews] review requested: [Bug 57897] Crash in WebCore::RenderMathMLSubSup::baselinePosition() : [Attachment 91738] Proposed patch

[bugzilla-daemon at webkit.org]

Kulanthaivel Palanichamy <kulanthaivel at codeaurora.org> has asked  for review:
Bug 57897: Crash in WebCore::RenderMathMLSubSup::baselinePosition()
https://bugs.webkit.org/show_bug.cgi?id=57897

Attachment 91738: Proposed patch
https://bugs.webkit.org/attachment.cgi?id=91738&action=review

------- Additional Comments from Kulanthaivel Palanichamy
<kulanthaivel at codeaurora.org>
This patch attempts to fix this crash by making container RenderMathMLBlock
objects as anonymous render objects and removing them from render tree when all
of their children are removed.

This patch also fixes the following bugs
https://bugs.webkit.org/show_bug.cgi?id=57900
https://bugs.webkit.org/show_bug.cgi?id=57901
https://bugs.webkit.org/show_bug.cgi?id=57902