5c9802ae84
* Add fallible push to intrusive_forward_list. * Add fallible pop to intrusive_forward_list. * Get rid of size_ member in intrusive_forward_list. * Force all intrusive_forward_list items to have non-null next(). * Get rid of explicit colors in STMS and CMS. * Do not queue weak reference for later processing in Mark. Merge-request: KT-MR-7263 Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>