[Bug fortran/94228] Preprocessor inconsistency for macros when invoked from gfortran

[markwayne1969 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94228

--- Comment #2 from Mark Paris <markwayne1969 at gmail dot com> ---
(In reply to Andrew Pinski from comment #1)
> gfortran defaults to -traditional-cpp preprocessor mode.

Thank you for your reply. If I may, I'd like to pose a question that I cannot
find the answer to from online sources:

Is it possible to run the preprocessor in the ISO mode, not the traditional
mode, when invoked by gfortran?