[Bug fortran/50360] [cleanup] use an ENUM for the return values of gfc_dep_compare_expr

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50360

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|dominiq at lps dot ens.fr          |

--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Please don't CC me.