https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86329
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |7.4
--- Comment #7 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #5)
> (In reply to David Malcolm from comment #4)
> > Fixed on trunk by r262199; still affects gcc-8 and gcc-7 branches.
>
> so what should be the target milestone then?
(In reply to David Malcolm from comment #6)
> Author: dmalcolm
> Date: Thu Feb 14 23:02:45 2019
> New Revision: 268909
>
> URL: https://gcc.gnu.org/viewcvs?rev=268909&root=gcc&view=rev
> Log:
> C++: don't offer bogus "._0" suggestions (PR c++/86329)
>
> PR c++/86329 reports that the C++ frontend can offer bogus suggestions like:
>
> #include <string>
>
> int compare()
> {
> return __n1 - __n2;
> }
>
> suggested.cc: In function 'int compare()':
> suggested.cc:5:10: error: '__n1' was not declared in this scope
> return __n1 - __n2;
> ^~~~
> suggested.cc:5:10: note: suggested alternative: '._61'
> return __n1 - __n2;
> ^~~~
> ._61
> suggested.cc:5:17: error: '__n2' was not declared in this scope
> return __n1 - __n2;
> ^~~~
> suggested.cc:5:17: note: suggested alternative: '._72'
> return __n1 - __n2;
> ^~~~
> ._72
>
> The dot-prefixed names are an implementation detail of how we implement
> anonymous enums found in the header files, generated via
> anon_aggrname_format in make_anon_name.
>
> This patch uses anon_aggrname_p to filter them out when considering
> which names to suggest.
>
> gcc/cp/ChangeLog:
> Backport of r262199 from trunk.
> 2018-06-27 David Malcolm <dmalc...@redhat.com>
>
> PR c++/86329
> * name-lookup.c (consider_binding_level): Filter out names that
> match anon_aggrname_p.
>
> gcc/testsuite/ChangeLog:
> Backport of r262199 from trunk.
> 2018-06-27 David Malcolm <dmalc...@redhat.com>
>
> PR c++/86329
> * g++.dg/lookup/pr86329.C: New test.
>
>
> Added:
> branches/gcc-8-branch/gcc/testsuite/g++.dg/lookup/pr86329.C
> Modified:
> branches/gcc-8-branch/gcc/cp/ChangeLog
> branches/gcc-8-branch/gcc/cp/name-lookup.c
> branches/gcc-8-branch/gcc/testsuite/ChangeLog
So, since this fixed it for 8, just 7 is left, so changing the target milestone
to 7.4
