https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111643
--- Comment #11 from Lukas Grätz <lukas.gra...@tu-darmstadt.de> ---
(In reply to Alexander Monakov from comment #10)
> (In reply to Lukas Grätz from comment #9)
> > I also wondered whether
> >
> > int bar_alias (void) { return bar_original(); }
> >
> > could be a portable alternative to attribute alias. Except that current GCC
> > does not translate it that way.
>
> That's because function addresses are significant and so
>
> &bar_alias == &bar_original
>
> must evaluate to false, but would be true for aliases.
>
> In theory compilers could do better by introducing fall-through aliases:
> https://gcc.gnu.org/wiki/
> cauldron2019talks?action=AttachFile&do=view&target=fallthrough-aliases.pdf
Thanks a lot! I haven't thought about function addresses. Is there hope that
fall-through aliases get into gcc? Then my perhaps my instrumentation
fall-through would also be possible to implement.
