hg: amber/amber: Automatic merge with jep-334

[maurizio.cimadamore at oracle.com]

Changeset: 465f6d70456a
Author:    mcimadamore
Date:      2018-11-01 20:25 +0100
URL:       http://hg.openjdk.java.net/amber/amber/rev/465f6d70456a

Automatic merge with jep-334

! src/java.base/share/classes/java/lang/String.java