hg: shenandoah/jdk8u/hotspot: Stack overflow in choose_collection_set on high region count.

[ashipile at redhat.com]

Changeset: 7ae4b2f2740a
Author:    shade
Date:      2017-03-03 19:39 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/7ae4b2f2740a

Stack overflow in choose_collection_set on high region count.

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