gcc/testsuite/gcc.dg/pr26004.c

   1 /* PR c/26004 */
   2 /* Bug: the return slot optimization was taking the address of s_3,
   3    causing an error. */
   4
   5 struct s_3 { short s[3]; } z_3, s_3;
   6 struct s_3 add_struct_3 (struct s_3 s){}
   7 wack_struct_3 (void)
   8 {
   9   int i; register struct s_3 u = z_3;
  10   u = add_struct_3 (u);
  11 }