[foreign-memaccess+abi] RFR: Merge master [v2]

[J.Duke]

> Hi all,
> 
> this is an _automatically_ generated pull request to notify you that there are 94 commits from the branch `master`that can **not** be merged into the branch `foreign-memaccess+abi`:
> 
> The following file contains merge conflicts:
> 
> - src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
> 
> All Committers in this [project](https://openjdk.java.net/census#panama) have access to my [personal fork](https://github.com/openjdk-bot/panama-foreign) and can therefore help resolve these merge conflicts (you may want to coordinate who should do this).
> The following paragraphs will give an example on how to solve these merge conflicts and push the resulting merge commit to this pull request.
> The below commands should be run in a local clone of your [personal fork](https://wiki.openjdk.java.net/display/skara#Skara-Personalforks) of the [openjdk/panama-foreign](https://github.com/openjdk/panama-foreign) repository.
> 
> 
> # Ensure target branch is up to date
> $ git checkout foreign-memaccess+abi
> $ git pull https://github.com/openjdk/panama-foreign.git foreign-memaccess+abi
> 
> # Fetch and checkout the branch for this pull request
> $ git fetch https://github.com/openjdk-bot/panama-foreign.git +105:openjdk-bot-105
> $ git checkout openjdk-bot-105
> 
> # Merge the target branch
> $ git merge foreign-memaccess+abi
> 
> 
> When you have resolved the conflicts resulting from the `git merge` command above, run the following commands to create a merge commit:
> 
> 
> $ git add paths/to/files/with/conflicts
> $ git commit -m 'Merge master'
> 
> 
> 
> When you have created the merge commit, run the following command to push the merge commit to this pull request:
> 
> 
> $ git push https://github.com/openjdk-bot/panama-foreign.git openjdk-bot-105:105
> 
> 
> _Note_: if you are using SSH to push commits to GitHub, then change the URL in the above `git push` command accordingly.
> 
> Thanks,
> J. Duke

J. Duke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 95 commits:

 - Merge branch 'foreign-memaccess+abi' into 105
 - Automatic merge of jdk:master into master
 - 8273277: C2: Move conditional negation into rc_predicate
   
   Reviewed-by: thartmann, chagedorn, kvn
 - 8275329: ZGC: vmTestbase/gc/gctests/SoftReference/soft004/soft004.java fails with assert(_phases->length() <= 1000) failed: Too many recored phases?
   
   Reviewed-by: stefank, eosterlund
 - 8275197: Remove unused fields in ThaiBuddhistChronology
   
   Reviewed-by: naoto, rriggs, iris
 - 8186670: Implement _onSpinWait() intrinsic for AArch64
   
   Reviewed-by: phh, aph
 - 8276265: jcmd man page is outdated
   
   Reviewed-by: stuefe, cjplummer
 - 8276947: Clarify how DateTimeFormatterBuilder.appendFraction handles value ranges
   
   Reviewed-by: rriggs, naoto
 - 8276994: java/nio/channels/Channels/TransferTo.java leaves multi-GB files in /tmp
   
   Reviewed-by: alanb
 - 8276763: java/nio/channels/SocketChannel/AdaptorStreams.java fails with "SocketTimeoutException: Read timed out"
   
   Reviewed-by: dfuchs
 - ... and 85 more: https://git.openjdk.java.net/panama-foreign/compare/9e9ba2e9...3e40e459

-------------

Changes: https://git.openjdk.java.net/panama-foreign/pull/612/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=612&range=01
  Stats: 12027 lines in 460 files changed: 8492 ins; 1894 del; 1641 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/612.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/612/head:pull/612

PR: https://git.openjdk.java.net/panama-foreign/pull/612