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// { dg-options -std=c++0x }

struct C { // literal type

  int m;

  int n;

  constexpr C(int m) : m(m), n(-m) {}

  constexpr bool is_neg() { return m < 0; }

};

constexpr bool check1(const C& c, int C:: *pm) { return c.*pm < 0; } // #1

constexpr bool check2(const C* pc, bool (C::*pm)() const) { return

(pc->*pm)(); } // #2

constexpr C c(-1);

static_assert(!check1(c, &C::n), "Error");

static_assert(check1(c, &C::m), "Error");

static_assert(check2(&c, &C::is_neg), "Error");