File: range-for20.C

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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// PR c++/49834
// PR c++/50020
// { dg-do compile { target c++11 } }

struct A
{
  template <typename T> T get_value() const;
};

struct B {
  A first, second;
};

struct C
{
  B* begin() const;
  B* end() const;
};

template <typename Ret>
struct D
{
  Ret f(const C &p)
  {
    for (const B &i: p)		// OK
      i.second.get_value<int>();
    for (const auto &i: p)	// ERROR
      i.second.get_value<int>();
    return Ret(0);
  }
};

void g()
{
  D<int>().f(C());
}