hg: jdk/jdk: 8219597: (bf) Heap buffer state changes could provoke unexpected exceptions

[brian.burkhalter at oracle.com]

Changeset: 1d7aec80147a
Author:    bpb
Date:      2019-03-13 11:12 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/1d7aec80147a

8219597: (bf) Heap buffer state changes could provoke unexpected exceptions
Reviewed-by: alanb, rriggs

! src/java.base/share/classes/java/nio/Heap-X-Buffer.java.template