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

[maurizio.cimadamore at oracle.com]

Changeset: 2b183b393983
Author:    langtools
Date:      2017-05-12 17:33 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/2b183b393983

Automatic merge with condy