* gc.c: rename `RGENGC_THREEGEN' to `RGENGC_AGE2_PROMOTION'.
* gc.c (rgengc_rememberset_mark): don't promote, but remain in
  remember set for infant objects.
* gc.c (RVALUE_PROMOTE_INFANT, RVALUE_PROMOTE_YOUNG): count numbers
  in these functions.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-04-08

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e