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

[maurizio.cimadamore at oracle.com]

Changeset: 18ade7f9d054
Author:    langtools at sthdev02.uk.oracle.com
Date:      2017-06-09 00:04 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/18ade7f9d054

Automatic merge with condy