hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 7d71520ea148
Author:    roland
Date:      2020-03-20 13:58 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/7d71520ea148

8241365: Define Unique_Node_List::contains() to prevent usage by mistake
Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/node.hpp

Changeset: bd1f89367b9f
Author:    redestad
Date:      2020-03-26 10:02 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/bd1f89367b9f

8241649: Optimize Character.toString
Reviewed-by: redestad, rriggs
Contributed-by: sergei.tsypanov at yandex.ru

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