Re: [boost] [aligned_storage][repost] problems with GCC 4.0.0 20050309

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-03-13 08:18:21

JOAQUIN LOPEZ MU?Z wrote:
> The class aligned_storage in boost/aligned_storage.hpp has
> the following decl:
>
> template <
>      std::size_t size_
>    , std::size_t alignment_ = std::size_t(-1)
>>
> class aligned_storage;
>
> GCC 4.0 complains about the default value for aligmnent_ saying
> that:
>
> '(size_t)((-1))' is not a valid template argument for type
> 'unsigned int' because it is a non-constant expression
>
> which is ruining some of the regression tests.
> Is GCC right or shall I submit a bug report at gcc.gnu.org/bugzilla?

I don't see anything in the standard or in the issue lists that prohibits 
size_t(-1) as an integral constant expression. Bug report.