mayya-sharipova commented on code in PR #11743:
URL: https://github.com/apache/lucene/pull/11743#discussion_r962071131
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lucene/core/src/java/org/apache/lucene/util/hnsw/NeighborArray.java:
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@@ -104,8 +104,8 @@ public void removeLast() {
}
public void removeIndex(int idx) {
- System.arraycopy(node, idx + 1, node, idx, size - idx);
- System.arraycopy(score, idx + 1, score, idx, size - idx);
+ System.arraycopy(node, idx + 1, node, idx, size - idx - 1);
Review Comment:
Thank you for bringing my attention to this, I checked, and indeed
`length=0` is permissible in `System.arraycopy` function.
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