[webkit-reviews] review requested: [Bug 133525] DFG::Safepoint::begin() should set m_didCallBegin before releasing the rightToRun lock, because otherwise, Safepoint::checkLivenessAndVisitChildren() may assert due to a race : [Attachment 232500] the patch

[bugzilla-daemon at webkit.org]

Filip Pizlo <fpizlo at apple.com> has asked  for review:
Bug 133525: DFG::Safepoint::begin() should set m_didCallBegin before releasing
the rightToRun lock, because otherwise,
Safepoint::checkLivenessAndVisitChildren() may assert due to a race
https://bugs.webkit.org/show_bug.cgi?id=133525

Attachment 232500: the patch
https://bugs.webkit.org/attachment.cgi?id=232500&action=review