[Bug preprocessor/81419] GCC wrongly suggests function-like macro as fixit hint for undefined object-like macro

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81419

--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #2)
> (In reply to Martin Sebor from comment #1)
> > Confirmed.  There are few other similar bugs for these fix-it hints (e.g.,
> > pr80567 or pr80684).  I haven't looked at the implementation but from the
> > symptoms it feels like the problem is that the search doesn't fully consider
> > the context in which the undeclared is used.   I.e., it doesn't distinguish
> > between a function call, other kinds of expressions, a type, or even a
> > keyword, etc.
> 
> Hopefully GCC can learn to make these distinctions in time for GCC 9.

er, well, GCC 10 now