DEFINED_GVAR     3442 compile.c      	ADD_INSN3(ret, nd_line(node), defined, INT2FIX(DEFINED_GVAR),
DEFINED_GVAR     2556 vm_insnhelper.c       case DEFINED_GVAR:
DEFINED_GVAR     2558 vm_insnhelper.c 	    expr_type = DEFINED_GVAR;
DEFINED_GVAR     2629 vm_insnhelper.c 	    expr_type = DEFINED_GVAR;