From Adam Welc <welc@cs.purdue.edu>:

	* java/util/LinkedList.java (removeFirst): Update `first' field.
	Handle the last == first case.
	(removeLast): Update `last' field. Handle the last == first case.

From-SVN: r37940

libjava/ChangeLog

@@ -5,6 +5,11 @@
 	* java/lang/dtoa.c: Include string.h.
 	* java/lang/natString.cc (toLowerCase): Initialize `ch' to prevent
 	compiler warning.
+	
+	From Adam Welc <welc@cs.purdue.edu>:
+	* java/util/LinkedList.java (removeFirst): Update `first' field.
+	Handle the last == first case.
+	(removeLast): Update `last' field. Handle the last == first case.
 
 2000-12-01  Warren Levy  <warrenl@cygnus.com>
 

libjava/java/util/LinkedList.java

@@ -183,6 +183,11 @@ public class LinkedList extends AbstractSequentialList
     
     if (first.next != null)
       first.next.previous = null;
+    else
+      last = null;
+
+    first = first.next;
+    
     return r;
   }
 
@@ -195,7 +200,12 @@ public class LinkedList extends AbstractSequentialList
     Object r = last.data;
     
     if (last.previous != null)
-      last.previous.next = null;    
+      last.previous.next = null;
+    else
+      first = null;
+    
+    last = last.previous;
+    
     return r;
   }