From 3bf20f72b182100961927b3afc6bb53d6a52a6b5 Mon Sep 17 00:00:00 2001
From: bryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 1 Jul 1999 19:58:04 +0000
Subject: 1999-07-01  Bryce McKinlay  <bryce@albatross.co.nz>         *
 java/lang/String.java (toString): Check for this == null and throw        
 NullPointerException.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@27895 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libjava/java/lang/String.java | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libjava/java')

diff --git a/libjava/java/lang/String.java b/libjava/java/lang/String.java
index 55cc9cd9410..c1c7c1824d9 100644
--- a/libjava/java/lang/String.java
+++ b/libjava/java/lang/String.java
@@ -115,6 +115,9 @@ public final class String
 
   public String toString ()
   {
+    // because String is final, we actually get this far on a null reference
+    if (this == null)
+      throw new NullPointerException();
     return this;
   }
 
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