[App] if we're in the real pre-commit handler we can't actually add any new fences due to CA rest...

运行APP的时候提示

[App] if we're in the real pre-commit handler we can't actually add any new fences due to CA restriction

这个是编译器内部的显示,与 app 正常使用无关.

(PS:参考http://blog.csdn.net/ws1836300/article/details/52957056)