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// PR c++/111455
// { dg-do compile { target c++11 } }
namespace std
{
template <typename T, T... I>
struct integer_sequence {};
template <typename T, T N>
using make_integer_sequence
= integer_sequence <T, __integer_pack (N)...>;
}
template <long... V>
void foo (std::integer_sequence <long, V...>)
{}
template <typename ...T>
struct U
{
static constexpr long value = 1;
constexpr operator int () = delete;
constexpr operator long () { return value; }
};
template <typename T>
struct R
{
using S = std::make_integer_sequence <long, U <T> {}>;
R () noexcept (noexcept (foo (S ()))) {}
};
int
main ()
{
R <long>();
}
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