hg: shenandoah/jdk8/hotspot: [backport] 8220714: C2 Compilation failure when accessing off-heap memory using Unsafe

[shade at redhat.com]

Changeset: eb25f2203b39
Author:    rkennke
Date:      2019-03-15 09:57 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/eb25f2203b39

[backport] 8220714: C2 Compilation failure when accessing off-heap memory using Unsafe

! src/share/vm/opto/library_call.cpp
+ test/gc/shenandoah/compiler/TestUnsafeOffheapSwap.java