hg: jdk/sandbox: 8233363: Clarify the DumpSharedSpaces condition in InstanceKlass::verify_on

[chris.hegarty at oracle.com]

Changeset: 42aa251d6eed
Author:    ccheung
Date:      2019-11-01 11:31 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/42aa251d6eed

8233363: Clarify the DumpSharedSpaces condition in InstanceKlass::verify_on
Summary: change DumpSharedSpaces to Arguments::is_dumping_archive().
Reviewed-by: iklam, coleenp

! src/hotspot/share/oops/instanceKlass.cpp