hg: amber/amber/jdk: initial push constant-folding branch

[vicente.romero at oracle.com]

Changeset: 922baa97e647
Author:    vromero
Date:      2017-04-17 17:38 -0700
URL:       http://hg.openjdk.java.net/amber/amber/jdk/rev/922baa97e647

initial push constant-folding branch