hg: amber/amber/langtools: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: 3a70fc236fdd
Author:    langtools at sthdev02.uk.oracle.com
Date:      2017-09-08 00:01 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/3a70fc236fdd

Automatic merge with default

! .hgtags