1  /* PR middle-end/40943 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -Wuninitialized" } */
       4  
       5  void
       6  foo (void)
       7  {
       8    int *p;
       9    *p = 3;	/* { dg-warning "is used uninitialized" } */
      10  }