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

[barrowes at alum dot mit.edu via Gcc-bugs]

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

--- Comment #4 from Ben Barrowes <barrowes at alum dot mit.edu> ---
It has been a while.

Is there any way to save the temporary preprocessed files in gfortran?