1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-optimized" } */
       3  /* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } { "" } } */
       4  
       5  struct st {
       6      int ptr;
       7  };
       8  
       9  int foo(struct st *st)
      10  {
      11    int v = *(volatile int *)&st->ptr;
      12    return v & 0xff;
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-times "={v}" 1 "optimized" } } */