[Bug fortran/91497] -Wconversion warns when doing explicit type conversion

[manfred99 at gmx dot ch via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91497

--- Comment #24 from Manfred Schwarb <manfred99 at gmx dot ch> ---
Sandra,
I will look into this. Probably streamlining the patch to only use *4 and *8
is appropriate.