Summary: G1ElasticHeap to support heap shrink/expansion in runtime

Test Plan:
test/elastic-heap/

Reviewers:
luchsh, sanhong

Issue:
https://github.com/alibaba/dragonwell8/issues/46

CR:
https://github.com/alibaba/dragonwell8_jdk/pull/1

Summary:
port jwarmup to dragonwell 8u
ref T19299187

Test Plan: see hotspot part

Reviewers: 三红, yumin.qi

Reviewed By: 三红, yumin.qi

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D852150

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Reviewed-by: chegar, acorn

Summary: Wrap further native methods in FileInputStreams
Reviewed-by: chegar, bpb, rriggs
Contributed-by: sunny.chan@gs.com

Reviewed-by: chegar, rriggs, coffeys

Reviewed-by: chegar, rriggs, coffeys

Reviewed-by: coffeys, igerasim

Reviewed-by: mchung, alanb

Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes

8033370: [parfait] warning from b126 for solaris/native/sun/util/locale/provider: JNI exception pending
Reviewed-by: msheppar

Summary: Wrap some native methods in Java methods.
Reviewed-by: rriggs

Reviewed-by: kamg, mgronlun

Reviewed-by: alanb, dsamersoff, jbachorik

Reviewed-by: erikj, tbell

Reviewed-by: alanb, dholmes, mr, plevart, psandoz

Reviewed-by: alanb, forax, dholmes, twisti

Summary: Remove typeAnnotations field from Method, Constructor, and Field, update  Executable and Field to fetch data on demand.
Reviewed-by: darcy, erikj

Reviewed-by: alanb, chegar

Reviewed-by: jrose, alanb, twisti

8008118: (process) Possible null pointer dereference in jdk/src/solaris/native/java/lang/UNIXProcess_md.c
Summary: Modified the path processing code so that it detects and handles out of memory errors.
Reviewed-by: chegar, martin, christos, alanb, msheppar
Contributed-by: john.zavgren@oracle.com

Reviewed-by: dlong, alanb, mduigou
Contributed-by: bill.pittore@oracle.com, bob.vandette@oracle.com

Reviewed-by: darcy, forax, psandoz, dholmes, tbell

Reviewed-by: alanb, dholmes, erikj, jgish

Reviewed-by: ihse, erikj, ohrstrom, tbell

Reviewed-by: ohair

Reviewed-by: ohair, ohrstrom, ihse, jonas
Contributed-by: Njonas &lt;jonas.oreland@oracle.com&gt;, erikj &lt;erik.joelsson@oracle.com&gt;, ihse &lt;magnus.ihse.bursie@oracle.com&gt;, tgranat &lt;torbjorn.granat@oracle.com&gt;, ykantser <yekaterina.kantserova@oracle.com>

Reviewed-by: alanb, chegar, darcy, mchung

Summary: New makefiles transition, old and new living side by side for now.
Reviewed-by: ohair, jjg, dholmes, ohrstrom, erikj, ihse, tgranat, ykantser
Contributed-by: Nohrstrom &lt;fredrik.ohrstrom@oracle.com&gt;, erikj &lt;erik.joelsson@oracle.com&gt;, ihse &lt;magnus.ihse.bursie@oracle.com&gt;, tgranat &lt;torbjorn.granat@oracle.com&gt;, ykantser <yekaterina.kantserova@oracle.com>

Reviewed-by: mduigou, alanb

Reviewed-by: darcy, weijun

Reviewed-by: alanb

6553961: java.util.zip.{CRC32,Adler32}.update(int) doc errors
6646605: Missing method ZipFile.getComment()
6841232: ZipFile should implement Closeable
4985614: Failure on calls to ZipFile constructor
5032358: "java.util.zip.ZipException: The system cannot find the file specified"
6846616: java/util/zip/ZipFile/ReadAfterClose.java failed after fix for 6735255
Summary: some misc bug/rfe fixes for zipfile
Reviewed-by: alanb

Summary: Added support for parallel-capable class loaders
Reviewed-by: alanb

Reviewed-by: iris

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Reviewed-by: alanb, iris