[Patch, Fortran] PR 42353: [OOP] Bogus Error: Name 'vtype$...' at (1) is an ambiguous reference ...

[Janus Weil]

> OK for trunk and fortran-dev.
>
> Thanks for the patch

Thanks, Paul.

However, I completely forgot about comment #6 in the PR, which is an
example which still fails (with both versions of the patch). Before I
commit anything, I will try to make this one work, too.

Cheers,
Janus




>> 2009/12/17 Janus Weil <janus@gcc.gnu.org>:
>>>> the attached patch fixes a small OOP problem, where under certain
>>>> circumstances one would get 'ambiguous reference' errors for the
>>>> vtypes. The easiest thing I could think of to fix this is to make the
>>>> vtypes private, which means that each module which uses a vtype will
>>>> have its own private copy (which in principle should not be a problem,
>>>> should it?).
>>>
>>> In contrast to the patch I sent earlier, the version attached here
>>> also fixes the second error in the PR, which I almost forgot about
>>> ("Error: The element in the derived type constructor at (1), for
>>> pointer component '$extends', is DERIVED but should be DERIVED").
>>>
>>> Although the patch obviously works, I'm not sure if it may have any
>>> negative consequences and if it's the best thing to do. At least it
>>> fixes the test case and regtests cleanly.
>>>
>>> Comments? Suggestions? Ok for trunk?
>>>
>>> Cheers,
>>> Janus