DEFINED_ZSUPER   3529 compile.c      	ADD_INSN3(ret, nd_line(node), defined, INT2FIX(DEFINED_ZSUPER), 0,
DEFINED_ZSUPER   2613 vm_insnhelper.c       case DEFINED_ZSUPER:
DEFINED_ZSUPER   2622 vm_insnhelper.c 		    expr_type = DEFINED_ZSUPER;