/* { dg-do compile } *//* { dg-options "-O1 -fdump-tree-optimized" } */struct A{  int i : 8;};signed char c1, c2;struct A a;int main(){  a.i = c1;  c2 = a.i;  return a.i;}/* We should only store to a.i, not load from it.  *//* { dg-final { scan-tree-dump-times "a.i" 1 "optimized" } } *//* { dg-final { cleanup-tree-dump "optimized" } } */