1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  int a;
       4  /* { dg-message "note: previous declaration" "previous declaration" { target *-*-* } .-1 } */
       5  void fn1 ()
       6  {
       7    a++;
       8  }
       9  int a[] = {2};  /* { dg-error "conflicting types" } */