hg: jdk6/jdk6/jdk: 6800572: Removing elements from views of NavigableMap implementations does not always work correctly.

[martinrb at google.com]

Changeset: 4828c62e43f4
Author:    dl
Date:      2009-03-25 01:20 -0700
URL:       http://hg.openjdk.java.net/jdk6/jdk6/jdk/rev/4828c62e43f4

6800572: Removing elements from views of NavigableMap implementations does not always work correctly.
Summary: Replace use of new TreeSet with new KeySet
Reviewed-by: martin

! src/share/classes/java/util/TreeMap.java
! src/share/classes/java/util/concurrent/ConcurrentSkipListMap.java
! test/java/util/Collection/MOAT.java