Re: [boost] [type_traits] is_convertible regression on GCC 3.2 and 3.3

From: John Maddock (john_at_[hidden])
Date: 2005-03-24 07:01:38

> The following code causes a static assertion failure on GCC 3.2 (MinGW):
>
>    #include <boost/static_assert.hpp>
>    #include <boost/type_traits/is_convertible.hpp>
>
>    struct base { };
>    struct middle : virtual base { };
>    struct derived : middle { };
>
>    BOOST_STATIC_ASSERT((boost::is_convertible<derived, middle>::value));
>
> This problem is apparently responsible for the current failure of all the
> iostreams tests on the platforms gcc-3.2.3 and gcc-3.3.5.

Confirmed, I'm testing improved test cases, along with the fix now 
(Embarrassingly I'd used the wrong config macro).

John.