VM_CALL_OPT_SEND 1345 iseq.c         		if (ci->flag & VM_CALL_OPT_SEND) rb_ary_push(flags, rb_str_new2("SNED")); /* maybe not reachable */
VM_CALL_OPT_SEND 1850 vm_insnhelper.c     ci->flag = VM_CALL_FCALL | VM_CALL_OPT_SEND;
VM_CALL_OPT_SEND 1884 vm_insnhelper.c     ci_entry.flag = VM_CALL_FCALL | VM_CALL_OPT_SEND;
VM_CALL_OPT_SEND 2166 vm_insnhelper.c 	    if (!(ci->flag & VM_CALL_OPT_SEND)) {