RFR: 8291895: Remove PRAGMA_NONNULL_IGNORED from x86 and AArch64

Thu Aug 4 10:55:58 UTC 2022

On Thu, 4 Aug 2022 10:34:28 GMT, Andrew Haley <aph at openjdk.org> wrote:

> I fixed the underlying bugs, so the warnings are now superfluous. Build on GCC 11.0.3 and GCC head.

Nice.

`PRAGMA_DIAG_POP` should be removed along with `PRAGMA_DIAG_PUSH`. See how Windows/MSVC builds complain about it. This probably warrants retesting on GCCs.

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Changes requested by shade (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9742