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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-gimple -fdump-tree-optimized" } */

struct GTeth_desc

{

  unsigned ed_cmdsts;

};

struct GTeth_softc

{

  struct GTeth_desc txq_desc[32];

};

void foo(struct GTeth_softc *sc)

{

  /* Verify that we retain the cast to (volatile struct GTeth_desc *)

     after gimplification and that we keep the volatileness on the

     store until after optimization.  */

  volatile struct GTeth_desc *p = &sc->txq_desc[0];

  p->ed_cmdsts = 0;

}

/* { dg-final { scan-tree-dump "\\(volatile struct GTeth_desc \\*\\) D" "gimple" } } */

/* { dg-final { scan-tree-dump "{v}" "optimized" } } */

/* { dg-final { cleanup-tree-dump "gimple" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */