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/* { dg-do compile { target { nonpic } } } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
static int a;
int f;
void bar (void) __attribute__((noinline));
void bar (void)
{
f = 9;
}
void link_error ();
int foo()
{
int b, c;
a = 5;
b = a;
bar ();
b = b + a;
if (b != 10)
link_error ();
return b;
}
/* We should have removed the link_error on the tree level as GCC can tell that
a is not touched by the calling bar at all. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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