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

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

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

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
*.i would be definitely wrong, that is for preprocessed C (*.ii is for
preprocessed C++, *.mi for preprocessed ObjC, etc.).