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

[J. Duke]

> Hi all,
> 
> this is an _automatically_ generated pull request to notify you that there are 125 commits from the branch `master`that can **not** be merged into the branch `foreign-memaccess+abi`:
> 
> The following files contains merge conflicts:
> 
> - src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java
> - test/jdk/java/foreign/enablenativeaccess/panama_module/org/openjdk/foreigntest/libLinkerInvokerModule.cpp
> 
> All Committers in this [project](https://openjdk.org/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.org/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 +139:openjdk-bot-139
> $ git checkout openjdk-bot-139
> 
> # 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-139:139
> 
> 
> _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 126 commits:

 - Merge branch 'foreign-memaccess+abi' into 139
 - Automatic merge of jdk:master into master
 - 8307961: java/foreign/enablenativeaccess/TestEnableNativeAccess.java fails with ShouldNotReachHere
   
   Reviewed-by: jvernee
 - 8307806: Rename Atomic::fetch_and_add and friends
   
   Reviewed-by: stefank, dholmes
 - 8305770: os::Linux::available_memory() should refer MemAvailable in /proc/meminfo
   
   Reviewed-by: stuefe, sgehwolf, rcastanedalo, dholmes
 - 8305083: Remove finalize() from test/hotspot/jtreg/vmTestbase/nsk/share/ and /jpda that are used in serviceability/dcmd/framework tests
   
   Reviewed-by: coleenp, dholmes
 - 8307518: Remove G1 workaround in jstat about zero sized generation sizes
   
   Reviewed-by: kbarrett, ayang
 - 8306667: RISC-V: Fix storeImmN0 matching rule by using zr register
   
   Reviewed-by: shade, gli, fyang
 - 8307891: ProblemList gtest/NMTGtest.java subtests on aix
   
   Reviewed-by: mdoerr, lucy
 - 8307520: set minimum supported CPU architecture to Power8 on AIX
   
   Reviewed-by: mbaesken, erikj
 - ... and 116 more: https://git.openjdk.org/panama-foreign/compare/139a8d26...4f487c21

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

Changes: https://git.openjdk.org/panama-foreign/pull/832/files
 Webrev: https://webrevs.openjdk.org/?repo=panama-foreign&pr=832&range=01
  Stats: 106983 lines in 1709 files changed: 85969 ins; 8796 del; 12218 mod
  Patch: https://git.openjdk.org/panama-foreign/pull/832.diff
  Fetch: git fetch https://git.openjdk.org/panama-foreign.git pull/832/head:pull/832

PR: https://git.openjdk.org/panama-foreign/pull/832