rb_iseq_disasm_insn  923 iseq.c         	i += rb_iseq_disasm_insn(str, iseq, i, iseqdat, child);
rb_iseq_disasm_insn  440 vm_core.h      VALUE rb_iseq_disasm_insn(VALUE str, VALUE *iseqval, int pos, rb_iseq_t *iseq, VALUE child);
rb_iseq_disasm_insn  368 vm_dump.c      	rb_iseq_disasm_insn(0, seq, pc, iseq, 0);