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

[maurizio.cimadamore at oracle.com]

Changeset: b27386677ad9
Author:    langtools
Date:      2017-04-25 12:56 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/b27386677ad9

Automatic merge with default