Move compaction-related methods into gc.c
These methods are removed from gc.rb and added to gc.c:
This is a prefactor to allow setting these methods to rb_f_notimplement in a followup commit.
rb_f_notimplement
Move compaction-related methods into gc.c
These methods are removed from gc.rb and added to gc.c:
This is a prefactor to allow setting these methods to
rb_f_notimplementin a followup commit.