https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79720
--- Comment #12 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #11) > Yeah, exactly. But then this is really NOTABUG. The compile time > evaluation needs to be .5ulp precise, not emulate whatever precision issues > the library has. When -fcx-fortran-rules is active(by default in Fortran, or when explicitly specified by the user) we generate inline code. The issue is the same then.