hg: amber/amber: Automatic merge with records-and-sealed

[maurizio.cimadamore at oracle.com]

Changeset: 7512762f9b95
Author:    mcimadamore
Date:      2019-09-20 20:00 +0000
URL:       https://hg.openjdk.java.net/amber/amber/rev/7512762f9b95

Automatic merge with records-and-sealed