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// Test PR 17517.  Test case provided by Serge Belyshev.

// Test PR 17517.  Test case provided by Serge Belyshev.

 /* { dg-do compile } */

 /* { dg-do compile } */

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

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

extern void foo ();

extern void foo ();

struct Ptr {

struct Ptr {

  int * ptr;

  int * ptr;

  Ptr () { ptr = 0; }

  Ptr () { ptr = 0; }

  ~Ptr() { delete ptr; }

  ~Ptr() { delete ptr; }

  Ptr &operator= (int * p) { ptr = p; return *this; }

  Ptr &operator= (int * p) { ptr = p; return *this; }

};

};

int *new_checker () { foo (); return 0; }

int *new_checker () { foo (); return 0; }

void pipe (int c)

void pipe (int c)

{

{

  Ptr checker;

  Ptr checker;

  foo ();

  foo ();

  for (;;)

  for (;;)

    {

    {

    switch (c)

    switch (c)

      {

      {

    case '-':

    case '-':

      checker = new_checker ();

      checker = new_checker ();

      break;

      break;

      }

      }

    }

    }

}

}