hg: shenandoah/jdk: 2 new changesets

[ashipile at redhat.com]

Changeset: 259956795c17
Author:    shade
Date:      2018-07-13 15:56 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/259956795c17

Actual size should be set to zero on allocation failure

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp

Changeset: d8816d5ea0c2
Author:    shade
Date:      2018-07-13 15:56 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/d8816d5ea0c2

Micro-optimize traversal GC alloc check

! src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp