import org.checkerframework.checker.index.qual.LTLengthOf;
@SuppressWarnings("lowerbound")
class CombineFacts {
void test(int[] a1) {
@LTLengthOf("a1") int len = a1.length - 1;
int[] a2 = new int[len];
a2[len - 1] = 1;
a1[len] = 1;
// This access should issue an error.
//:: error: (array.access.unsafe.high)
a2[len] = 1;
}
}