https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51119
--- Comment #44 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- (In reply to Janne Blomqvist from comment #43) > Compile warnings caused by this patch: > > cc1: warning: command line option ‘-fno-protect-parens’ is valid for Fortran > but not for C > cc1: warning: command line option ‘-fstack-arrays’ is valid for Fortran but > not for C Yes I am aware of these. I was willing to live with them, but if it is a problem, we can remove those options easy enough.