hg: shenandoah/jdk10: Assert Shenandoah-specific safepoints instead of generic ones

[ashipile at redhat.com]

Changeset: 46091fe1a0bc
Author:    shade
Date:      2017-11-27 18:42 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/rev/46091fe1a0bc

Assert Shenandoah-specific safepoints instead of generic ones

! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahCollectionSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp
! src/hotspot/share/gc/shenandoah/shenandoahPartialGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahStringDedup.cpp
! src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp