/guava/guava/src/com/google/common/collect/RegularImmutableSortedSet.java
current = 2.next( ) ;
current = thisIterator.next ( ) ;
while (true) { int cmp = unsafeCompare(current, target); if (cmp < 0) { if (!thisIterator.hasNext()) { return false; } <extra_id_0> } else if (cmp == 0) { if (!thatIterator.hasNext()) { return true; } target = thatIterator.next(); } else if (cmp > 0) {