https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88421
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- What two fenv.h libstdc++ headers you mean (in what paths they are)? While there is include/tr1/fenv.h include/c_compatibility/fenv.h the former should be included only with <tr1/fenv.h>, not <fenv.h>.