[aarch64-port-dev ] hg: aarch64-port/jdk8u-shenandoah/hotspot: Fix code differences against shenandoah/jdk8u

[shade at redhat.com]

Changeset: 67c63384e5e9
Author:    shade
Date:      2018-09-20 14:40 +0200
URL:       http://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/hotspot/rev/67c63384e5e9

Fix code differences against shenandoah/jdk8u

! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/phaseX.cpp
! src/share/vm/prims/jni.cpp