gcc/testsuite/gcc.dg/tree-ssa/alias-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 struct {
   5         int i;
   6         int j;
   7         int x[2];
   8 } a;
   9
  10 int foo(void)
  11 {
  12         a.i = 1;
  13         a.j = 0;
  14         a.x[0] = 0;
  15         return a.i + a.j;
  16 }
  17
  18 /* { dg-final { scan-tree-dump "return 1;" "optimized" } } */
  19