hg: shenandoah/jdk10: Added diagnostic flag ShenandoahOOMDuringEvacALot.

[roman at kennke.org]

Changeset: 68a258f6a537
Author:    rkennke
Date:      2017-10-24 20:17 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/rev/68a258f6a537

Added diagnostic flag ShenandoahOOMDuringEvacALot.

! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp
! test/hotspot/jtreg/gc/shenandoah/ShenandoahStrDedupStress.java
! test/hotspot/jtreg/gc/stress/gcbasher/TestGCBasherWithShenandoah.java
! test/hotspot/jtreg/gc/stress/gclocker/TestGCLockerWithShenandoah.java
! test/hotspot/jtreg/gc/stress/gcold/TestGCOldWithShenandoah.java