1  /* PR c/59223 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -Wmaybe-uninitialized" } */
       4  
       5  int foo (int x)
       6  {
       7    int y;
       8    if (x == 0)
       9      y = 1;
      10    else if (x == 1)
      11      y = 2;
      12    return y; /* { dg-warning "may be used uninitialized" } */
      13  }