https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93193
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- C Preprocessor happens and then Lexing for fortran. This is by design. Also use of the c preprocessor is a gnu extension. In that it is not specified by the fortran standard.