* gc.c (gc_stat): collect shade_operation_count,
  remembered_sunny_object_count and remembered_shady_object_count
  for each types when RGENGC_PROFILE >= 2.
  They are informative for optimization.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e