RFR: 8203290: [PPC64, s390] Check functionality of JDK-8199712 (Flight Recorder) [v5]

[Tyler Steele]

On Mon, 3 Jan 2022 13:57:59 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> Tyler Steele has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix issue where network_interface pointer is not updated to newly created list
>
> Build changes look ok. You will also need ok from someone in the component team.

@erikj79 
Regarding the TOC warning I mentioned above:

- I now believe the TOC warning has been present while building the master branch (so this PR probably isn't the root cause).
- I've also noticed that the addition of `-qpic=large` in [flags-cflags.m4](https://github.com/backwaterred/jdk/blob/79bfca43a729675da9c95a59fead373f76e9feac/make/autoconf/flags-cflags.m4#L429) hasn't removed the build warning about a TOC overflow.

Because of the above, I've removed `-qpic=large` from the line above.

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PR: https://git.openjdk.java.net/jdk/pull/6885