* gc.c: fix to collect additional information for GC::Profiler.
* major/minor GC
* trigger reason of GC
* gc.c (gc_profile_dump_on): change reporting format with
  added information.
* gc.c (gc_profile_record_get): return added information by
  :GC_FLAGS => array.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.c: remove gc_profile_record::is_marked. always true.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e