http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52620
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-19
16:31:04 UTC ---
(In reply to comment #2)
> (I pasted the wrong bug report, I meant
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21484)
That's a dup of PR 14258 so should be fixed for 4.7, and I think this is the
same issue.
> (In reply to comment #1)
> > template <typename T>
> > struct bot: med<T>
> > {
> > using top::type;
> >
> > This is not valid, med<T> is a dependent base class so name lookup never
> > looks
> > in it, so top is not known to be a base class.
>
> Ah, thanks for the clarification!
I believe it's a bug in clang if it accepts it.
> > If you remove that line G++ accepts the code.
>
> Ah, somehow I broke my tests. 4.6.3 does not accept it (and is the compiler
> I am actually using), but you are right that 4.7.0 is fine with it.
Yes, the 'using' code was significantly improved for 4.7, see the release notes
at http://gcc.gnu.org/gcc-4.7/changes.html#cxx
*** This bug has been marked as a duplicate of bug 14258 ***
