[Bug fortran/92613] Bogus warning with -cpp and -fpreprocessed

[albert at tugraz dot at]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92613

Christopher Albert <albert at tugraz dot at> changed:

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                 CC|                            |albert at tugraz dot at

--- Comment #1 from Christopher Albert <albert at tugraz dot at> ---
Created attachment 62992
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62992&action=edit
Fix bogus warning with -cpp -fpreprocessed

This fixes the issue by skipping libcpp initialization and tokenization for
normal compilations when both '-cpp' and '-fpreprocessed' are specified for
Fortran code. Let me know if it works and what is your opinion on that.