hg: amber/amber/hotspot: initial push enhanced-enums branch

[vicente.romero at oracle.com]

Changeset: bf39d406e334
Author:    vromero
Date:      2017-03-23 10:55 -0700
URL:       http://hg.openjdk.java.net/amber/amber/hotspot/rev/bf39d406e334

initial push enhanced-enums branch