gcc/testsuite/c-c++-common/Wunused-var-12.c

   1 /* PR c++/44780 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wunused" } */
   4 /* { dg-options "-Wunused -fno-common" { target { { hppa*-*-hpux* } && { ! hppa*64*-*-* } } } } */
   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 }