/* { dg-do compile } *//* { dg-options "-O1 -fdump-tree-optimized" } *//* Check that cprop works for assignments to array elements and structs.  */struct foo {  int a;};extern void link_error (void);voidtest9 (struct foo f){  f.a = 0;  if (f.a != 0)    link_error ();}voidtest99 (struct foo *f){  f->a = 0;  if (f->a != 0)    link_error ();}voidtest999 (int *arr){  *arr = 0;  if (*arr != 0)    link_error ();}voidtest9999 (int *arr){  arr[13] = 0;  if (arr[13] != 0)    link_error ();}voidtest99999 (int *arr, int j){  arr[j] = 0;  if (arr[j] != 0)    link_error ();}/* There should be no link_error calls, if there is any, the   optimization has failed *//* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } *//* { dg-final { cleanup-tree-dump "optimized" } } */