hg: jdk7u/jdk7u-dev/jdk: 8011200: (coll) Optimize empty HashMap and ArrayList

[mike.duigou at oracle.com]

Changeset: 99b3f9c060b9
Author:    mduigou
Date:      2013-04-10 12:43 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/99b3f9c060b9

8011200: (coll) Optimize empty HashMap and ArrayList
Reviewed-by: mduigou, alanb, bchristi, martin
Contributed-by: Sergey Linetskiy <sergey.linetskiy at oracle.com>, John Rose <john.r.rose at oracle.com>, Mike Duigou <mike.duigou at oracle.com>

! src/share/classes/java/util/ArrayList.java
! src/share/classes/java/util/HashMap.java
+ test/java/util/Map/BasicSerialization.java