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// Test that we explain why a template instantiation isn't constexpr
// { dg-options -std=c++0x }
// { dg-prune-output "not a constexpr function" }
template <class T>
struct A
{
T t;
constexpr int f() { return 42; }
};
struct B { B(); operator int(); };
constexpr A<int> ai = { 42 };
constexpr int i = ai.f();
constexpr int b = A<B>().f(); // { dg-error "enclosing class" }
template <class T>
constexpr int f (T t) { return 42; }
constexpr int x = f(B()); // { dg-error "parameter" }
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