hg: jdk9/sandbox: Merge

[erik.joelsson at oracle.com]

Changeset: 7f034edb7841
Author:    erikj
Date:      2016-09-22 09:13 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/7f034edb7841

Merge

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
- test/lib/jdk/test/lib/unsafe/UnsafeHelper.java