hg: jdk9/sandbox/jdk: 8172201: Replace assert of return type in VarHandle.AccessMode with test

[chris.hegarty at oracle.com]

Changeset: 2866f5e1d57b
Author:    psandoz
Date:      2017-01-04 17:20 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/2866f5e1d57b

8172201: Replace assert of return type in VarHandle.AccessMode with test
Reviewed-by: mchung

! src/java.base/share/classes/java/lang/invoke/VarHandle.java
! test/java/lang/invoke/VarHandles/VarHandleTestAccessModeMethodNames.java