Summary:
- From http://hg.openjdk.java.net/mlvm/mlvm/hotspot/file/4cd7d914b0e3/coro-simple.patch.
- Resolve trivial conflicts in: systemDictionary.hpp, thread.cpp, debug.hpp.
- Add an option "EnableCoroutine".

Test Plan: run jtreg tests

Reviewed-by: yuleil, shiyuexw, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/113

Summary: Add tag bit to all JNI weak handles
Reviewed-by: kbarrett, coleenp, tschatzl

Reviewed-by: kevinw, vlivanov

Reviewed-by: kevinw, vlivanov

Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com

Reviewed-by: dholmes, rbackman, coleenp

Summary: Change types of above methods and field to InstanceKlass and remove unneeded casts from the source files.
Reviewed-by: dholmes, coleenp, zgu
Contributed-by: harold.seigel@oracle.com

Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: Njmasa &lt;jon.masamitsu@oracle.com&gt;, stefank &lt;stefan.karlsson@oracle.com&gt;, mgerdin &lt;mikael.gerdin@oracle.com&gt;, never <tom.rodriguez@oracle.com>

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>

Summary: Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.
Reviewed-by: kvn, never

Summary: Handle stack overflow before the first frame is called, by printing out the called method and not walking the stack.
Reviewed-by: dholmes, phh, dsamersoff

7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair

Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Reviewed-by: coleenp, never, gbenson

Summary: Remove usage of _highest_lock field in Thread so that is_lock_owned won't depend on the correct update of that field.
Reviewed-by: never, dice, acorn

Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

6786340: hs14b09a pit: a lot of tests failed in "-server -Xcomp" on solaris-amd64 using fastdebug bits
Summary: Fixes the nsk-jdi PIT failures introduced by fix for 6739363
Reviewed-by: kvn, coleenp

Summary: Update copyright for files that have been modified starting July 2008 to Dec 2008
Reviewed-by: katleman, ohair, tbell

Summary: Fix adds support for verifying arguments with -Xcheck:jni.
Reviewed-by: coleenp