hg: jdk10/hs/hotspot: 8186706: ArchivedObjectCache obj_hash() is broken.

[jiangli.zhou at oracle.com]

Changeset: 427f4c99b29e
Author:    jiangli
Date:      2017-08-27 15:48 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/427f4c99b29e

8186706: ArchivedObjectCache obj_hash() is broken.
Summary: Use oop's identity_hash. Also use larger table size.
Reviewed-by: ccheung, iklam, coleenp

! src/share/vm/memory/metaspaceShared.cpp
! src/share/vm/memory/metaspaceShared.hpp