[Bug fortran/81615] save-temps and gfortran produces *.f90 files instead of *.i or *i90 files

[acoplan at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81615

--- Comment #24 from Alex Coplan <acoplan at gcc dot gnu.org> ---
Thanks a lot for the fix!