hg: shenandoah/jdk: Soft refs should be purged reliably on allocation failure, or with compact heuristics

[shade at redhat.com]

Changeset: 45f34336b1cb
Author:    shade
Date:      2018-09-03 20:24 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/45f34336b1cb

Soft refs should be purged reliably on allocation failure, or with compact heuristics

! src/hotspot/share/gc/shenandoah/heuristics/shenandoahCompactHeuristics.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp