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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
int g1(int);
int h(int *a, int *b)__attribute__((pure));
void link_error();
/* The calls to link_error should be eliminated, since nothing escapes to
non-pure functions. */
int g(void)
{
int t = 0, t1 = 2;
/* ??? That's not true. The pointers escape to the integer return
value which we do not track in PTA. */
int t2 = h(&t, &t1);
if (t != 0)
link_error ();
if (t1 != 2)
link_error ();
/* ??? And it would finally escape here even if we did. */
g1(t2);
if (t != 0)
link_error ();
if (t1 != 2)
link_error ();
return t2 == 2;
}
/* We are allowed to optimize the first two link_error calls. */
/* { dg-final { scan-tree-dump-times "link_error" 2 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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