From 3a29daac45d9450006e5ac463e1c82e995d408af Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <jhoeller@pivotal.io>
Date: Tue, 8 Nov 2016 17:38:57 +0100
Subject: [PATCH] ASM-generated class names get interned for better memory
 allocation

Issue: SPR-14886
---
 .../src/main/java/org/springframework/asm/ClassReader.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spring-core/src/main/java/org/springframework/asm/ClassReader.java b/spring-core/src/main/java/org/springframework/asm/ClassReader.java
index 316c14ecd5..29520b40ff 100644
--- a/spring-core/src/main/java/org/springframework/asm/ClassReader.java
+++ b/spring-core/src/main/java/org/springframework/asm/ClassReader.java
@@ -2464,7 +2464,8 @@ public class ClassReader {
         // computes the start index of the CONSTANT_Class item in b
         // and reads the CONSTANT_Utf8 item designated by
         // the first two bytes of this CONSTANT_Class item
-        return readUTF8(items[readUnsignedShort(index)], buf);
+        String name = readUTF8(items[readUnsignedShort(index)], buf);
+        return (name != null ? name.intern() : null);
     }
 
     /**