gcc/testsuite/gcc.dg/tree-ssa/pr13146.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fstrict-aliasing -fdump-tree-optimized" } */
   3
   4 struct A
   5 {
   6   int i;
   7 };
   8 struct B
   9 {
  10   struct A a;
  11   int j;
  12 };
  13
  14 int foo (struct A *p, struct B *q)
  15 {
  16   p->i = 0;
  17   q->j = 1;
  18   return p->i;
  19 }
  20
  21 /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
  22 /* { dg-final { cleanup-tree-dump "optimized" } } */