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// PR c++/33342
template <bool B, class T = void>
struct enable_if_c {
typedef T type;
};
template <class T>
struct A
{
template <class U, class V>
struct B;
template <class U>
struct B<U, typename enable_if_c<U::sub::value==0>::type>
{ };
};
struct C
{
struct sub
{
static const int value = 0;
};
};
A<int> a;
A<int>::B<C, void> b;
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