[7u6] Request for approval for CR 7144488: Infinite recursion for some equals tests in Collections

[Seán Coffey]

Request to backport from jdk8 to 7u (7u6).

Identical changeset to that of JDK 8 : 
http://hg.openjdk.java.net/jdk8/tl/jdk/rev/0a350fb8b174

bug report : http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7144488

regards,
Sean.