c++/10146: [3.4 regression] [new parser] template function lookup failure(s)

Richard Guenther rguenth@tat.physik.uni-tuebingen.de
Wed Mar 19 13:06:00 GMT 2003


On 19 Mar 2003, Gabriel Dos Reis wrote:

> Richard Guenther <rguenth@tat.physik.uni-tuebingen.de> writes:
>
> | On Wed, 19 Mar 2003, Giovanni Bajo wrote:
> |
> | >
> | > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&p
> | > r=10146
> | >
> | > To sum it up:
> | >
> | > >Foo<int>().template foo<U>(u); // does not work
> | > >Foo<int>().template bar<U>(u); // does not work
> | >
> | > These should compile.
> | >
> | > >Foo<int>().foo(u);             // does work ??
> | > >Foo<int>::foo(u);              // does work ??
> | > >Foo<int>().bar(u);             // does work ??
> | >
> | > Yes, because the template parameter of the template member function is
> | > deduced from the call. What's wrong with them?
> |
> | I think foo() and bar() needs to be qualified with the template keyword
> | due to two-stage namelookup. But I may be wrong (dont have a standard
> | to look at).
>
> Two-phase name lookup has nothing to do here.  The Foo<int> part is
> -not- dependent, therefore there need not be any extra "template"
> qualifier.

Ah, ok - only for Foo<T>:: it would be dependent, yes? So gcc should
reject or at least warn about the extra "template" here? (gcc3.2 bails
out with a parse error for Foo<int>::template foo(u);)

Richard.

--
Richard Guenther <richard.guenther@uni-tuebingen.de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/



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