1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(841): warning C4346: 'std::forward_list<_Ty,_Alloc>::std::forward_list<_Ty,_Alloc>::_Alty::is_always_equal::value': dependent name is not a type
1> c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(841): note: prefix with 'typename' to indicate a type
1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(841): error C2061: syntax error: identifier 'value'

    _Myt& operator=(_Myt&& _Right)
        _NOEXCEPT_OP(_Alty::is_always_equal::value) // <<<<<<<<<<<<<<<<<<<<<<<<< 841
        {    // assign by moving _Right
        if (this != &_Right)
            {    // different, assign it
            clear();

            if (_Alty::propagate_on_container_move_assignment::value
                && this->_Getal() != _Right._Getal())
                this->_Move_alloc(_Right._Getal());

            _Assign_rv(_STD forward<_Myt>(_Right));
            }
        return (*this);
        }

1>clang.exe : error : clang frontend command failed due to signal (use -v to see invocation)
1> clang with Microsoft CodeGen version 3.7.0
1> Provided as — is without support
1> C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\Clang 3.7\bin\x86\x86\c2.dll version 19.0.23413.0
1> Target: i686-pc-windows-msvc
1> Thread model: posix

#include "StdAfx.h"

#include <forward_list>
struct A
{

};

int main()
{
    std::forward_list<int> l1;
    std::forward_list<int> l2;
    l1 = l2;
    l1 = std::move(l2);


    std::forward_list<A> d1;
    std::forward_list<A> d2;
    d1 = d2;
    d1 = std::move(d2);
}

C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC>vcvarsall.bat && cl.exe
Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x86

1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1214): warning C4346: 'std::forward_list<_Ty,_Alloc>::std::forward_list<_Ty,_Alloc>::_Alty::is_always_equal::value': dependent name is not a type
1> c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1214): note: prefix with 'typename' to indicate a type
1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1214): error C2061: syntax error: identifier 'value'
1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1215): error C2091: function returns function

    void swap(_Myt& _Right)
        _NOEXCEPT_OP(_Alty::is_always_equal::value) // <<<<<<<<<<<<<<<<<<<< 1214
        {    // exchange contents with _Right // <<<<<<<<<<<<<<<<<<<< 1215
        if (this == &_Right)
            ;    // same object, do nothing
        else if (this->_Getal() == _Right._Getal())
            {    // same allocator, swap control information
            this->_Swap_all(_Right);
            _Swap_adl(this->_Myhead(), _Right._Myhead());
            }

        else if (_Alty::propagate_on_container_swap::value)
            {    // swap allocators and control information
            this->_Swap_alloc(_Right);
            _Swap_adl(this->_Myhead(), _Right._Myhead());
            }
        else
            {    // containers are incompatible
 #if _ITERATOR_DEBUG_LEVEL == 2
            _DEBUG_ERROR("forward_list containers incompatible for swap");

 #else /* ITERATOR_DEBUG_LEVEL == 2 */
            _XSTD terminate();
 #endif /* ITERATOR_DEBUG_LEVEL == 2 */
            }

        }

1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2065: '_Left': undeclared identifier
1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2065: '_Right': undeclared identifier
1>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2206: 'swap': typedef cannot be used for function definition

template<class _Ty,
    class _Alloc> inline
    void swap(forward_list<_Ty, _Alloc>& _Left,
        forward_list<_Ty, _Alloc>& _Right)
        _NOEXCEPT_OP(_NOEXCEPT_OP(_Left.swap(_Right))) // <<<<<<<<<<<<<<<<<<<< 1564
    {    // swap _Left and _Right lists
    _Left.swap(_Right);
    }

1>>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2065: '_Left': undeclared identifier
1>>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2065: '_Right': undeclared identifier
1>>c:\program files (x86)\microsoft visual studio 14.0\vc\include\forward_list(1564): error C2206: 'swap': typedef cannot be used for function definition

#define _NOEXCEPT_OP

#define true false

#define _NOEXCEPT_OP

 #if _HAS_EXCEPTIONS
  #define _NOEXCEPT    noexcept
  #define _NOEXCEPT_OP(x)    noexcept(x)
 #else /* _HAS_EXCEPTIONS */
  #define _NOEXCEPT    throw ()
  #define _NOEXCEPT_OP(x)
 #endif /* _HAS_EXCEPTIONS */

    _Myt& operator=(_Myt&& _Right)
        (_Alty::is_always_equal::value && is_nothrow_move_assignable<_Pr>::value)
#line 144 "c:\\program files (x86)\\microsoft visual studio 14.0\\vc\\include\\set"
        {    
        _Mybase::operator=(::std:: move(_Right));
        return (*this);
        }

#if __cplusplus < 201103L
#    define noexcept
#endif // __cplusplus < 201103L

BOOST_LIB_RT_OPT:     A suffix that indicates the runtime library used,
                      contains one or more of the following letters after
                      a hyphen:

                      s      static runtime (dynamic if not present).
                      g      debug/diagnostic runtime (release if not present).
                      y      Python debug/diagnostic runtime (release if not present).
                      d      debug build (release if not present).
                      p      STLport build.
                      n      STLport build without its IOStreams.