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/* { dg-do link } */
/* { dg-options "-O2" } */
/* We have enough cascading at -O2 to cover the missed control-dependence
in SCCVN (which considers the link_error calls to clobber the structs). */
struct example
{
char a;
int b;
char c;
} *ex1;
extern void link_error(void);
void
bar (void)
{
ex1->a = 1;
ex1->b = 2;
ex1->c = 3;
if (ex1->a != 1)
link_error ();
if (ex1->b != 2)
link_error ();
if (ex1->c != 3)
link_error ();
}
void
foo (struct example *ex2)
{
ex2->a = 1;
ex2->b = 2;
ex2->c = 3;
if (ex2->a != 1)
link_error ();
if (ex2->b != 2)
link_error ();
if (ex2->c != 3)
link_error ();
}
int main (void)
{
bar ();
foo (ex1);
return 0;
}
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