1  /* PR debug/46255 */
       2  /* { dg-do compile } */
       3  /* { dg-require-profiling "-fprofile-generate" } */
       4  /* { dg-options "-fcompare-debug -fprofile-generate -O" } */
       5  
       6  int bar (void);
       7  
       8  void
       9  foo (int i)
      10  {
      11    while (i)
      12      i = bar ();
      13  }