hg: shenandoah/jdk8u/hotspot: Allow Java thread to reach safepoint during JNI critical notification. Fixes deadlock.

[roman at kennke.org]

Changeset: 597d20bb52fb
Author:    rkennke
Date:      2016-07-15 12:06 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/597d20bb52fb

Allow Java thread to reach safepoint during JNI critical notification. Fixes deadlock.

! src/share/vm/gc_implementation/shenandoah/shenandoahJNICritical.cpp