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// Build don't link:
template <class T>
void f(T) {}
template <class T>
struct S {
static T t;
};
template <class T>
T S<T>::t;
template void f(int);
template void f(int); // ERROR - duplicate explicit instantiation
template int S<int>::t;
template int S<int>::t; // ERROR - duplicate explicit instantiation
template class S<double>;
template class S<double>; // ERROR - duplicate explicit instantiation
extern template void f(double); // WARNING - extern not allowed
inline template class S<float>; // WARNING - inline not allowed
template <class T>
struct S<T*> {};
template class S<void*>; // OK - explicit instantiation of partial
// specialization
template <>
struct S<long double> {}; // ERROR - explicit specialization
template class S<long double>; // ERROR - explicit instantiation after
template <>
void f(long double) {} // ERROR - explicit specialization
template void f(long double); // ERROR - explicit instantiation after
template <class T>
void g(T);
template void g(int); // ERROR - no definition of g.
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