hg: shenandoah/jdk8/hotspot: [backport] 8235636: gc/shenandoah/compiler/TestUnsafeOffheapSwap.java fails after JDK-8226411

[shade at redhat.com]

Changeset: 9c948e9fa41e
Author:    roland
Date:      2019-12-06 16:21 -0500
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/9c948e9fa41e

[backport] 8235636: gc/shenandoah/compiler/TestUnsafeOffheapSwap.java fails after JDK-8226411
Reviewed-by: rkennke

! src/share/vm/gc_implementation/shenandoah/shenandoahSupport.cpp