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// { dg-options -std=c++0x }
constexpr const int do_last(const int* x, int n) {
return x[n - 1];
}
struct IsNegative {
constexpr bool operator()(const int& x) {
return x < 0;
}
};
template<int N, class Pred>
constexpr bool has_neg(const int (&x)[N], Pred p) {
return p(do_last(x, N)); // Line 13
}
constexpr int a[] = {1, -2};
constexpr auto answer = has_neg(a, IsNegative{}); // Line 18
static_assert(answer, "Error");
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