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

[maurizio.cimadamore at oracle.com]

Changeset: 8a18152ffe49
Author:    mcimadamore
Date:      2019-06-21 01:43 +0200
URL:       http://hg.openjdk.java.net/amber/amber/rev/8a18152ffe49

Automatic merge with records-and-sealed