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

[J.Duke]

> Hi all,
> 
> this is an _automatically_ generated pull request to notify you that there are 43 commits from the branch `master`that can **not** be merged into the branch `foreign-memaccess+abi`:
> 
> The following files contains merge conflicts:
> 
> - src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemoryAddress.java
> - src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemorySegment.java
> 
> 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 +112:openjdk-bot-112
> $ git checkout openjdk-bot-112
> 
> # 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-112:112
> 
> 
> _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 incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 649 additional commits since the last revision:

 - Merge branch 'foreign-memaccess+abi' into 112
 - Automatic merge of master into foreign-memaccess+abi
 - Automatic merge of master into foreign-memaccess+abi
 - Automatic merge of master into foreign-memaccess+abi
 - 8278151: Heap segments should handle alignment constraints in a deterministic fashion
   
   Reviewed-by: psandoz, jvernee
 - Merge master
 - Merge master
 - 8277945: Use snippets in jdk.incubator.foreign API documentation
   
   Reviewed-by: psandoz, mcimadamore, sundar
 - Merge master
 - 8277657: OptimizedEntryBlob should extend RuntimeBlob directly
   
   Reviewed-by: mcimadamore
 - ... and 639 more: https://git.openjdk.java.net/panama-foreign/compare/8e2fc4c7...af703804

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

Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/628/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/628/files/8e2fc4c7..af703804

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=628&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=628&range=00-01

  Stats: 29360 lines in 118 files changed: 26538 ins; 2109 del; 713 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/628.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/628/head:pull/628

PR: https://git.openjdk.java.net/panama-foreign/pull/628