请问为什么我加入编译指令

-Wl,--stack=10240000 -std=c++11

会显示mingw32\4.8.1\include\c++\fenv.h [Error] '::fenv_t' has not been declared 和 mingw32\4.8.1\include\c++\fenv.h [Error] '::fexcept_t' has not been declared

等奇怪错误