[RFR] [8u] 8u302-b07 Upstream Sync

[Andrew Hughes]

Webrevs: https://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/

Merge changesets:
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/corba/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/jaxp/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/jaxws/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/jdk/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/hotspot/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/langtools/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/nashorn/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u302-b07/root/merge.changeset

Changes in aarch64-shenandoah-jdk8u302-b07:
  - JDK-8269388: Default build of OpenJDK 8 fails on newer GCCs with warnings as errors on format-overflow
  - JDK-8269468: JDK-8269388 breaks the build on older GCCs

Main issues of note:
None, clean merge (only HotSpot changes are to a Makefile).

diffstat for root
 b/.hgtags                                |    1 
 b/common/autoconf/flags.m4               |    7 +-
 b/common/autoconf/generated-configure.sh |  101 ++++++++++++++++++++++++++++++-
 b/common/autoconf/hotspot-spec.gmk.in    |    1 
 4 files changed, 107 insertions(+), 3 deletions(-)

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/make/linux/makefiles/gcc.make |   12 ++++++++++++
 2 files changed, 13 insertions(+)

Successfully built on x86, x86_64, s390 (Zero), s390x (Zero), ppc (Zero),
ppc64, ppc64le, aarch32 (Zero) & aarch64.

Ok to push?

Thanks,
-- 
Andrew :)
Pronouns: he / him or they / them
Senior Free Java Software Engineer
OpenJDK Package Owner
Red Hat, Inc. (http://www.redhat.com)

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