FL_USER1           43 debug.c                RUBY_FL_USER1       = FL_USER1,
FL_USER1           24 hash.c         #define HASH_DELETED  FL_USER1
FL_USER1          535 include/ruby/ruby.h #define ROBJECT_EMBED FL_USER1
FL_USER1          592 include/ruby/ruby.h #define RSTRING_NOEMBED FL_USER1
FL_USER1          621 include/ruby/ruby.h #define RARRAY_EMBED_FLAG FL_USER1
FL_USER1          716 include/ruby/ruby.h #define RSTRUCT_EMBED_LEN_MASK (FL_USER2|FL_USER1)
FL_USER1          739 include/ruby/ruby.h #define RBIGNUM_SIGN_BIT FL_USER1
FL_USER1           50 string.c       #define STR_NOEMBED FL_USER1