[Bug middle-end/88010] noinline function alias unexpectedly inlined

[hubicka at ucw dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88010

--- Comment #4 from Jan Hubicka <hubicka at ucw dot cz> ---
> Yep, GCC considers attributes to be part of the definition of a function for
> IPA passes.  We are not consitent here (i.e. warning attributes on aliases
> counts), so it makes sense to support this (and is not too difficult to do in
> this case).

Actually siplicity was bit overrated - currently all function
redirection code eliminates aliases, so we will need to carefully update
those so attributes are not lost.  Still implementable.