From 5112fcdfa0f9765955d8a3e10e5fc6f81de5176d Mon Sep 17 00:00:00 2001
From: Andreas Huber <bitbucket@lucares.de>
Date: Fri, 29 Sep 2017 17:46:00 +0200
Subject: [PATCH] do not create empty array in clone

---
 .../src/main/java/org/lucares/collections/IntList.java          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/primitiveCollections/src/main/java/org/lucares/collections/IntList.java b/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
index 3d14124..5c16d88 100644
--- a/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
+++ b/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
@@ -402,7 +402,7 @@ public class IntList implements Serializable, Cloneable {
 	public IntList clone() {
 		try {
 			final IntList result = (IntList) super.clone();
-			result.data = Arrays.copyOf(data, index);
+			result.data = index == 0 ? EMPTY_ARRAY : Arrays.copyOf(data, index);
 			return result;
 		} catch (final CloneNotSupportedException e) {
 			throw new IllegalStateException(e);