(0): internal error: backend signals in Intel C++ - multiple versions up to 10.1.025

(0): internal error: backend signals in Intel C++ - multiple versions up to 10.1.025

I am getting an error: (0): internal error: backend signals compiling following snippet of code - this is minimal isolated subset of bigger application that compiles and works fine with Visual C++ version 6.0 all the way to 2008.

The error is consistent between 32 and 64 bit version of Windows ICC compiler.

Interestingly - the problem disappears when **struct slice** is replaced by **namespace slice** so it seems something in the compiler namespace management is not quite correct.

Any ideas are welcome.

------- code begin -------------

namespace npointer
{
template struct arity
{
template struct type
{
typedef typename arity::type::lvalue_ptr_type lvalue_ptr_type;
typedef typename arity::type::ptr_type ptr_type;
typedef typename arity::type::ptr_type const_ptr_type;
};
};

template<> struct arity<1>
{
template struct type
{
typedef T* lvalue_ptr_type;
typedef T* const ptr_type;
typedef const T* const const_ptr_type;
};
};

template<> struct arity<0>
{
template struct type
{
typedef T& lvalue_ptr_type;
typedef T& ptr_type;
typedef const T& const_ptr_type;
};
};
}

struct slice
{
template
struct arity
{
template
struct type
{
typedef typename arity::type ret_type;
typename npointer::arity::type::ptr_type m_ptr;
&nb
sp; type(typename npointer::arity::type::ptr_type p)
:m_ptr(p)
{}
ret_type operator[](int index) const
{
return ret_type(m_ptr[index]);
}
};
};

template<>
struct arity<1>
{
template
struct type
{
typedef typename T& ret_type;
typename npointer::arity<1>::type::ptr_type m_ptr;
type(typename npointer::arity<1>::type::ptr_type p):m_ptr(p){}
ret_type operator[](int index) const
{
return m_ptr[index];
}
};
};
};

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Hia bug has been reported based on this. Please wait for an update.

Thanks!

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