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

[maurizio.cimadamore at oracle.com]

Changeset: 890b719d0f8f
Author:    langtools
Date:      2017-05-04 16:41 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/890b719d0f8f

Automatic merge with condy