https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81542
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Why are you defining _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC on the command line?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81542
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Why are you defining _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC on the command line?