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/* { dg-do link }  */

/* { dg-options "-O2 -fdump-tree-vrp1" }  */

static inline void do_thing(char *s, int *p, char *q)

{

        /* This should be folded away.  */

        if (s == 0 || q == 0)

                link_error ();

        /* This should not be folded as 'p' is not marked nonnull.  */

        if (p)

                *p = 3;

}

void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q)

{

        do_thing(s, p, q);

}

int i;

main()

{

  do_other_thing ("xxx", &i, "yyy");

}

/* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */