#fixed code
                                @Override
    @SuppressWarnings("unchecked")
    public void forEachRemaining(Consumer<? super E> action) {
        Objects.requireNonNull(action);
        int hi = getFence();
        Object[] a = array;
        int i;
        for (i = index, index = hi; i < hi; i++) {
            action.accept((E) a[i]);
        }
        if (getModCount(list) != expectedModCount) {
            throw new ConcurrentModificationException();
        }
    }
#vulnerable code 
                                @Override
    @SuppressWarnings("unchecked")
    public void forEachRemaining(Consumer<? super E> action) {
        Objects.requireNonNull(action);
        int i, hi; // hoist accesses and checks from loop
        Vector<E> lst = list;
        Object[] a;
        if ((hi = fence) < 0) {
            synchronized (lst) {
                expectedModCount = getModCount(lst);
                a = array = getData(lst);
                hi = fence = getSize(lst);
            }
        } else {
            a = array;
        }
        if (a != null && (i = index) >= 0 && (index = hi) <= a.length) {
            while (i < hi) {
                action.accept((E) a[i++]);
            }
            if (expectedModCount == getModCount(lst)) {
                return;
            }
        }
        throw new ConcurrentModificationException();
    } 
                            #location 17 
                            #vulnerability type THREAD_SAFETY_VIOLATION