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

[maurizio.cimadamore at oracle.com]

Changeset: cb813f4e47c0
Author:    langtools
Date:      2017-05-03 18:10 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/cb813f4e47c0

Automatic merge with default