bug#46111: Reverting fns.c hash function due to OpenBSD/SPARC64 compile breaking

[Philipp Stephani]

Am Di., 26. Jan. 2021 um 10:07 Uhr schrieb Ahmed Khanzada <me@enzu.ru>:
>
> I'm not an expert on C, OpenBSD, or SPARC64, but I did notice
> emacs-current was not compiling.
>
> During a gmake, bootstrap-emacs would get a SIGBUS and fail. Running
> gdb led me to the hash_string function where it seemed to be failing.


The culprit might be commit be0f2de179235980b5409d5e77577207b93a4f12.
I don't think that something like
EMACS_UINT const *p   = (EMACS_UINT const *) ptr;
is legal on any platform; it just happens to work on forgiving
platforms such as x86-64.