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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
extern void link_error (void);
/* Check for dead stores to a struct. */
struct s
{
char d;
int a, b;
double m;
};
void foo (struct s* teststruct)
{
teststruct->a = 0;
teststruct->a++;
if (teststruct->a != 1)
link_error ();
}
/* There should be only one reference to "teststruct" and one in the function header. */
/* { dg-final { scan-tree-dump-times "teststruct" 2 "optimized" } } */
/* There should be no link_error calls. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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