FL_USER5          130 array.c        #define RARRAY_SHARED_ROOT_FLAG FL_USER5
FL_USER5           47 debug.c                RUBY_FL_USER5       = FL_USER5,
FL_USER5          593 include/ruby/ruby.h #define RSTRING_EMBED_LEN_MASK (FL_USER2|FL_USER3|FL_USER4|FL_USER5|FL_USER6)
FL_USER5          749 include/ruby/ruby.h #define RBIGNUM_EMBED_LEN_MASK (FL_USER5|FL_USER4|FL_USER3)
FL_USER5          240 re.c           #define REG_LITERAL FL_USER5