[Bug fortran/82215] Feature request to better support two pass compiling with gfortran

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82215

--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Related to pr42607.

About the question

> Also, the -fsyntax-only, etc. option in the first pass does not guarantee that 
> generated modules will be identical to those created by the second pass.
> Again, we have not observed any issues, yet.

The only place I can see where this may happen is when using
-ffrontend-optimize (implied by -O). Thomas do you think this can be the case?