/* { 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".  *//* { dg-final { scan-tree-dump-times "teststruct" 1 "optimized" { xfail *-*-* } } } *//* There should be no link_error calls.  *//* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } *//* { dg-final { cleanup-tree-dump "optimized" } } */