Xcode8.0 在编辑代码时提示警告 Implicit conversion loses integer precision: 'NSInteger' (aka 'long') to
Implicit conversion loses integer precision: 'NSInteger' (aka 'long') to
-Wno-shorten-64-to-32

Implicit conversion loses integer precision: 'NSInteger' (aka 'long') to
-Wno-shorten-64-to-32
