From 55e8eac25d81f07bebb16d812c97edaf1393083f Mon Sep 17 00:00:00 2001
From: "Bruno P. Kinoshita" <brunodepaulak@yahoo.com.br>
Date: Wed, 13 Sep 2017 00:43:25 +1200
Subject: [PATCH] Fix FindBugs issues

---
 src/main/java/org/apache/commons/collections4/ListUtils.java   | 3 ---
 .../java/org/apache/commons/collections4/list/TreeList.java    | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/main/java/org/apache/commons/collections4/ListUtils.java b/src/main/java/org/apache/commons/collections4/ListUtils.java
index c81ca1181..38e2e8b98 100644
--- a/src/main/java/org/apache/commons/collections4/ListUtils.java
+++ b/src/main/java/org/apache/commons/collections4/ListUtils.java
@@ -673,9 +673,6 @@ public class ListUtils {
         @Override
         public List<T> get(final int index) {
             final int listSize = size();
-            if (listSize < 0) {
-                throw new IllegalArgumentException("negative size: " + listSize);
-            }
             if (index < 0) {
                 throw new IndexOutOfBoundsException("Index " + index + " must not be negative");
             }
diff --git a/src/main/java/org/apache/commons/collections4/list/TreeList.java b/src/main/java/org/apache/commons/collections4/list/TreeList.java
index feffa1c4a..f8a52f4d5 100644
--- a/src/main/java/org/apache/commons/collections4/list/TreeList.java
+++ b/src/main/java/org/apache/commons/collections4/list/TreeList.java
@@ -622,7 +622,7 @@ public class TreeList<E> extends AbstractList<E> {
             }
             if (getRightSubTree() == null) {
                 if (relativePosition > 0) {
-                    left.relativePosition += relativePosition + (relativePosition > 0 ? 0 : 1);
+                    left.relativePosition += relativePosition;
                 }
                 left.max().setRight(null, right);
                 return left;