ISEQ_MAJOR_VERSION 8321 compile.c          header.major_version = ISEQ_MAJOR_VERSION;
ISEQ_MAJOR_VERSION 8430 compile.c          if (load->header->major_version != ISEQ_MAJOR_VERSION ||
ISEQ_MAJOR_VERSION 8433 compile.c      		 load->header->major_version, load->header->minor_version, ISEQ_MAJOR_VERSION, ISEQ_MINOR_VERSION);
ISEQ_MAJOR_VERSION 2065 iseq.c             rb_ary_push(val, INT2FIX(ISEQ_MAJOR_VERSION)); /* major */