hg: jdk9/sandbox/jdk: Hashing for set and map; Lists <: RandomAccess; simplify iterators & set-views.

[stuart.marks at oracle.com]

Changeset: cbc97bc5692e
Author:    smarks
Date:      2015-08-24 14:30 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/cbc97bc5692e

Hashing for set and map; Lists <: RandomAccess; simplify iterators & set-views.
MOAT: better testing of unmod collections; add set element uniqueness checking.

! src/java.base/share/classes/java/util/UnmodifiableCollections.java
! test/java/util/Collection/MOAT.java