hg: amber/amber/langtools: Automatic merge with constant-folding

[maurizio.cimadamore at oracle.com]

Changeset: 474f64155c3b
Author:    langtools at sthdev02.uk.oracle.com
Date:      2017-06-02 00:46 +0200
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/474f64155c3b

Automatic merge with constant-folding