Summary: added workflow to check pull request

Test Plan: workflow shipped with this PR

Reviewed-by: kuaiwei, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/80

Summary: add support for opto object allocations sampling

Test Plan: hotspot/test/jfr/event/objectsprofiling/TestOptoObjectAllocationsSampling.java

Reviewers: zhengxiaolinX, luchsh, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/64

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

Test Plan: existing test cases

Reviewed-by: shiyue, kuaiwei

Issue: https://github.com/alibaba/dragonwell8/issues/52

Summary: port http://phabricator.alibaba.net/D2815 to Dragonwell8

Test Plan: test/tools/pack200/

Reviewers: 麦庶, 三红

Reviewed By: 麦庶, 三红

Differential Revision: https://aone.alibaba-inc.com/code/D856287

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:
- Port D336186 to Dragonwell
- Added 'mini' option to 'dump' sub-command  of 'jmap' tool

Test Plan: jdk/test/ras

Reviewers: 井桐

Reviewed By: 井桐

Differential Revision: https://aone.alibaba-inc.com/code/D849318

Summary:
- Port fix https://aone.alibaba-inc.com/project/355606/issue/8443788 to dragonwell
- Switch implementation of java/net/Inet4AddressImpl.lookupAllHostAddr based on Linux glibc versions.

Test Plan: jdk/test/net/

Reviewers: 井桐

Reviewed By: 井桐

Differential Revision: https://aone.alibaba-inc.com/code/D849274

Summary:
Backport of JFR(jdk part) to dragonwell based on JFR preview version(JDK11).
Link:
http://cr.openjdk.java.net/~mgronlun/JEP328_FlightRecorder/Preview/webrev/index.html

Test Plan: test/jdk/jfr/

Reviewers: 卓昂, 传胜, 麦庶, yumin.qi, 三红, 芳玺

Reviewed By: 三红, 芳玺, 卓昂, yumin.qi

Differential Revision: https://aone.alibaba-inc.com/code/D818249

Summary: add distro name and version in java version string

Reviewers: 传胜

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D796935

Reviewed-by: bae, bmathiske

Reviewed-by: smarks, ahgross, skoivu, rhalade

Reviewed-by: bae

Reviewed-by: serb, psadhukhan, mschoene, rhalade

Reviewed-by: dfuchs, igerasim, michaelm, rhalade, skoivu

Reviewed-by: serb, psadhukhan, mschoene, rhalade

Reviewed-by: serb, psadhukhan, mschoene, rhalade

Reviewed-by: serb, psadhukhan, mschoene, rhalade

Reviewed-by: dfuchs, chegar, michaelm, rhalade, ahgross

Reviewed-by: serb, psadhukhan, mschoene, rhalade

8223163: Better pattern recognition
Reviewed-by: ahgross, bchristi, jeff, rhalade, rriggs, smarks

Reviewed-by: alanb, rhalade, ahgross, darcy

Reviewed-by: prr, alitvinov, mschoene, rhalade

--HG--
rename : test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java => test/java/awt/image/DrawImage/IncorrectManagedImageSourceOffset.java
rename : test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java => test/java/awt/image/DrawImage/SimpleManagedImage.java
rename : test/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java => test/java/awt/image/DrawImage/SimpleUnmanagedImage.java

Reviewed-by: ahgross, mullan, valeriep

Reviewed-by: valeriep

Reviewed-by: serb, psadhukhan, mschoene, rhalade

Reviewed-by: serb, prr, mschoene, bpb, ssahoo

Reviewed-by: alanb, ahgross, chegar, igerasim

8167646: Better invalid FilePermission
Reviewed-by: mbalao

Reviewed-by: alanb

Reviewed-by: martin, naoto

Reviewed-by: shade

Summary: Updated the info based on MUSCLE v1.8.24
Reviewed-by: ascarpino

Reviewed-by: dfuchs, alanb, erikj

Reviewed-by: prr, jdv, kcr

Reviewed-by: prr, serb