[RFR] [8u] 8u282-b02 Upstream Sync

[Andrew Hughes]

Webrevs: https://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/

Merge changesets:
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/corba/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/jaxp/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/jaxws/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/jdk/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/hotspot/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/langtools/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/nashorn/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u282-b02/root/merge.changeset

Changes in aarch64-shenandoah-jdk8u282-b02:
  - JDK-8253837: JFR 8u fix symbol and cstring hashtable equals implementaion
  - JDK-8255269: Unsigned overflow in g1Policy.cpp
  - Shenandoah: Fix racy update of code roots

Main issues of note:
Clean merge. Shenandoah change is already upstream.

diffstat for root
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for corba
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jaxp
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jaxws
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for langtools
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for nashorn
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jdk
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for hotspot
 b/.hgtags                                                        |    1 
 b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp        |   10 -
 b/src/share/vm/jfr/recorder/checkpoint/types/jfrTypeSet.cpp      |   20 ++-
 b/src/share/vm/jfr/recorder/checkpoint/types/jfrTypeSetUtils.cpp |   63 +++++-----
 b/src/share/vm/jfr/recorder/checkpoint/types/jfrTypeSetUtils.hpp |   30 ----
 5 files changed, 56 insertions(+), 68 deletions(-)

Successfully built on x86, x86_64, s390 (Zero), s390x (Zero), ppc (Zero),
ppc64, ppc64le & aarch64.

Ok to push?

Thanks,
-- 
Andrew :)

Senior Free Java Software Engineer
OpenJDK Package Owner
Red Hat, Inc. (http://www.redhat.com)

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