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/* { dg-do compile } */

/* { dg-options "-O2 -Wstrict-aliasing" } */

inline void *operator new (__SIZE_TYPE__, void *__p) throw() { return __p; }

struct Y {

  Y() {}

  int i;

};

struct X {

  X() {}

  void construct(const Y& y)

  {

    new (&m_data[0]) Y(y);

  }

  bool initialized;

  char m_data[sizeof (Y)];

};

void bar(const X&);

void foo(Y& y)

{

  X x;

  x.construct(y);

  x.initialized = true;

  bar(x);

}