From 16410cad4de1042c1c9641890b16fa3d49cc8b33 Mon Sep 17 00:00:00 2001
From: HejiaHo <hejiahe7@gmail.com>
Date: Mon, 14 Apr 2014 23:17:14 +0800
Subject: [PATCH] Fix ConcurrentReferenceHashMap max constraints

Update calculateShift to respect the maximum upper bound as well as the
minimum value.

Issue: SPR-11720
---
 .../org/springframework/util/ConcurrentReferenceHashMap.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-core/src/main/java/org/springframework/util/ConcurrentReferenceHashMap.java b/spring-core/src/main/java/org/springframework/util/ConcurrentReferenceHashMap.java
index d0fdd19faf..e0b7e028f8 100644
--- a/spring-core/src/main/java/org/springframework/util/ConcurrentReferenceHashMap.java
+++ b/spring-core/src/main/java/org/springframework/util/ConcurrentReferenceHashMap.java
@@ -387,7 +387,7 @@ public class ConcurrentReferenceHashMap<K, V> extends AbstractMap<K, V> implemen
 	protected static int calculateShift(int minimumValue, int maximumValue) {
 		int shift = 0;
 		int value = 1;
-		while (value < minimumValue && value < minimumValue) {
+		while (value < minimumValue && value < maximumValue) {
 			value <<= 1;
 			shift++;
 		}