hg: jdk/sandbox: 8246729: MappedByteBuffer.force() throws IndexOutOfBoundsException

[chris.hegarty at oracle.com]

Changeset: b87b8ca419cb
Author:    bpb
Date:      2020-06-08 13:15 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b87b8ca419cb

8246729: MappedByteBuffer.force() throws IndexOutOfBoundsException
Reviewed-by: psandoz, alanb

! src/java.base/share/classes/java/nio/MappedByteBuffer.java
! test/jdk/java/nio/MappedByteBuffer/Force.java