1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3 
4 struct GTeth_desc
5 {
6   unsigned ed_cmdsts;
7 };
8 struct GTeth_softc
9 {
10   struct GTeth_desc txq_desc[32];
11 };
12 
foo(struct GTeth_softc * sc)13 void foo(struct GTeth_softc *sc)
14 {
15   /* Verify that we retain the volatileness on the
16      store until after optimization.  */
17   volatile struct GTeth_desc *p = &sc->txq_desc[0];
18   p->ed_cmdsts = 0;
19 }
20 
21 /* { dg-final { scan-tree-dump "{v}" "optimized" } } */
22 /* { dg-final { cleanup-tree-dump "optimized" } } */
23