svn commit: r153173 - jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java

Author: dbrosius
Date: Wed Feb  9 22:35:15 2005
New Revision: 153173

URL: http://svn.apache.org/viewcvs?view=rev&rev=153173
Log:
Guard against null InstructionHandle's when calculating hashCode

Modified:
    jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java

Modified: jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java
URL: http://svn.apache.org/viewcvs/jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java?view=diff&r1=153172&r2=153173
==============================================================================
--- jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java (original)
+++ jakarta/bcel/trunk/src/java/org/apache/bcel/generic/LocalVariableGen.java Wed Feb  9 22:35:15 2005
@@ -141,7 +141,14 @@
 
   /** @return a hash code value for the object.
    */
-  public int hashCode() { return index ^ start.hashCode() ^ end.hashCode(); }
+  public int hashCode() { 
+    int hc = index;
+    if (start != null)
+      hc ^= start.hashCode();
+    if (end != null) 
+      hc ^= end.hashCode();
+    return hc;
+  }
 
   /**
    * We consider to local variables to be equal, if the use the same index and