1  /* PR c++/44780 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wunused" } */
       4  /* { dg-additional-options "-fno-common" { target { { hppa*-*-hpux* } && { ! lp64 } } } } */
       5  
       6  typedef double vec __attribute__ ((__vector_size__ (16)));
       7  vec c, d;
       8  
       9  void
      10  foo (void)
      11  {
      12    vec a;
      13    vec b;
      14    a = c;
      15    b = a;
      16    d = b;
      17  }
      18  
      19  void
      20  bar (void)
      21  {
      22    vec a;
      23    vec b;	/* { dg-warning "set but not used" } */
      24    a = c;
      25    b = a;
      26  }