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

[maurizio.cimadamore at oracle.com]

Changeset: d661717dc867
Author:    langtools at sthdev02.uk.oracle.com
Date:      2017-08-11 12:42 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/d661717dc867

Automatic merge with default