hg: shenandoah/jdk8u/hotspot: Backport TestShenandoahArgumentRanges and ShenandoahJNICritical tests.

[ashipile at redhat.com]

Changeset: 7e8f2bbb312c
Author:    shade
Date:      2017-02-17 11:18 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/7e8f2bbb312c

Backport TestShenandoahArgumentRanges and ShenandoahJNICritical tests.

! src/share/vm/runtime/arguments.cpp
+ test/gc/shenandoah/ShenandoahJNICritical.java
+ test/gc/shenandoah/ShenandoahJNICritical.sh
+ test/gc/shenandoah/TestShenandoahArgumentRanges.java
+ test/gc/shenandoah/libShenandoahJNICritical.c