1.方法弃用告警
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#pragma clang diagnostic pop
2.指针类型不兼容
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wincompatible-pointer-types"
#pragma clang diagnostic pop
3.循环引用
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
#pragma clang diagnostic pop
4.未使用变量
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-variable"
#pragma clang diagnostic pop
