hg: jdk9/hs-rt/hotspot: 8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid

[coleen.phillimore at oracle.com]

Changeset: 479ed4234a9d
Author:    coleenp
Date:      2014-09-05 08:08 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/479ed4234a9d

8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid
Summary: Revert two small changes from the previous-versions cleanup with marking code cache.
Reviewed-by: kvn, dcubed

! src/share/vm/code/nmethod.cpp
! src/share/vm/memory/universe.cpp