git: openjdk/mobile: 8236582: (fc) FileChannel.map fails with InternalError when security manager enabled

[duke]

Changeset: 31b9bbd8
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2020-01-08 08:35:33 +0000
URL:       https://git.openjdk.java.net/mobile/commit/31b9bbd8

8236582: (fc) FileChannel.map fails with InternalError when security manager enabled

Reviewed-by: alanb

! src/java.base/share/classes/jdk/internal/misc/ExtendedMapMode.java
+ test/jdk/java/nio/channels/FileChannel/MapWithSecurityManager.java