hg: shenandoah/jdk10: Allocation path should not touch GC barriers for metadata

[shade at redhat.com]

Changeset: 4a3754d5285e
Author:    shade
Date:      2018-09-08 12:18 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/rev/4a3754d5285e

Allocation path should not touch GC barriers for metadata

! src/hotspot/share/classfile/javaClasses.cpp
! src/hotspot/share/gc/shared/collectedHeap.inline.hpp
! src/hotspot/share/oops/oop.hpp
! src/hotspot/share/oops/oop.inline.hpp