vm_redefinition_check_flag 1414 vm.c           	    int flag = vm_redefinition_check_flag(klass);
vm_redefinition_check_flag 1436 vm.c               if (!vm_redefinition_check_flag(klass)) return;
vm_redefinition_check_flag   28 vm_method.c    static int vm_redefinition_check_flag(VALUE klass);
vm_redefinition_check_flag  476 vm_method.c        if (vm_redefinition_check_flag(klass)) {