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

[maurizio.cimadamore at oracle.com]

Changeset: d882e010ebce
Author:    langtools
Date:      2017-05-05 16:00 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/d882e010ebce

Automatic merge with default