hg: valhalla/valhalla: 8206904: [lworld] fix Unsafe get* with value types

[rwestrel at redhat.com]

Changeset: 7405ce3f56ee
Author:    roland
Date:      2018-07-09 15:08 +0200
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/7405ce3f56ee

8206904: [lworld] fix Unsafe get* with value types
Reviewed-by:

! src/hotspot/share/opto/library_call.cpp
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestIntrinsics.java