Update on GCC 14 C type safety changes/warnings as errors

[Florian Weimer]

* Martin Jambor:

> Given you probably have the most experience with it, can you please also
> suggest an entry to https://gcc.gnu.org/gcc-14/porting_to.html that
> would describe this change?  (I was thinking of proposing something
> myself, but I don't really know just how much verbose such an entry
> should be.)

Thank you for the reminder.  I veered somewhat on the verbose side and
submitted:

  [PATCH] Notes on the warnings-as-errors change in GCC 14
  <https://inbox.sourceware.org/gcc-patches/87v876ssxg.fsf@oldenburg.str.redhat.com/>

Florian