1  /* PR c/91815 */
       2  /* { dg-do compile } */
       3  
       4  int f (void)
       5  {
       6    extern float v;   
       7  /* { dg-message "note: previous declaration" "previous declaration" { target *-*-* } .-1 } */
       8    return (v > 0.0f);
       9  }
      10  
      11  extern int t;
      12  /* { dg-message "note: previous declaration" "previous declaration" { target *-*-* } .-1 } */
      13  
      14  typedef float t; /* { dg-error "redeclared as different kind of symbol" } */
      15  
      16  t v = 4.5f;  /* { dg-error "conflicting types" } */