id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
11449,[C++11] is_polymorphic doesn't work with final-ed class in MSVC.,Kohei Takahashi <flast@…>,John Maddock,"Following code don't compile in MSVC 12 and 14 RC: I didn't test with other versions.

{{{
#!c++
#include <type_traits>
#include <boost/type_traits/is_polymorphic.hpp>

struct S final {};

int main()
{
	static_assert(!std::is_polymorphic<S>::value, ""S should not be a polymorphic type""); // works fine
	static_assert(boost::is_polymorphic<final>::value, ""hmm...""); // hard error
}
}}}

[[Image(66bfcbfd052b0b94e6fe284d4a2ac78a.png)]]

The error message says:

    'boost::detail::is_polymorphic_impl1<T>::d1' cannot derive from 'S' because it is declared as 'final'.
",Bugs,closed,Boost 1.60.0,type_traits,Boost Development Trunk,Problem,fixed,,