rb_vm_check_redefinition_opt_method    9 vm_method.c    static void rb_vm_check_redefinition_opt_method(const NODE *node);
rb_vm_check_redefinition_opt_method  160 vm_method.c    		    rb_vm_check_redefinition_opt_method(old_node);
rb_vm_check_redefinition_opt_method  334 vm_method.c    	rb_vm_check_redefinition_opt_method(body);
rb_vm_check_redefinition_opt_method  405 vm_method.c    	    rb_vm_check_redefinition_opt_method(fbody);
rb_vm_check_redefinition_opt_method  761 vm_method.c    		rb_vm_check_redefinition_opt_method(node);