Bug fix: need to inherit the range of values from the super-class.

git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1641532 13f79535-47bb-0310-9956-ffa450edef68
Merge bug fix from JDK8 branch.

git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1641533 13f79535-47bb-0310-9956-ffa450edef68