Implement the fast version of Stream#toList()?

[ZZZank]

The default implementation of Stream#toList() is already implemented by JVMDG:

// java default
    default List<T> toList() {
        return (List<T>) Collections.unmodifiableList(new ArrayList<>(Arrays.asList(this.toArray())));
    }

// jvmdg stub
    public static <T> List<T> toList(Stream<T> stream) {
        return Collections.unmodifiableList(new ArrayList(Arrays.asList(stream.toArray())));
    }

But there's a fast variant of Stream#toList() in java.util.stream.ReferencePipeline:

    @Override
    public List<P_OUT> toList() {
        return SharedSecrets.getJavaUtilCollectionAccess().listFromTrustedArrayNullsAllowed(this.toArray());
    }

// where the 'listFromTrustedArrayNullsAllowed' is
    static <E> List<E> listFromTrustedArrayNullsAllowed(Object... input) {
        assert input.getClass() == Object[].class;

        return input.length == 0 ? EMPTY_LIST_NULLS : new ListN(input, true);
    }

// the 'ListN' is in 'java.util.ImmutableCollections'

Is it possible to implement this in JVMDownGrader?