RFR: 8300024: Replace use of JNI_COMMIT mode with mode 0 [v2]

[Chris Plummer]

On Fri, 13 Jan 2023 07:16:35 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

>> Please review this patch that fixes a few memory leaks in JNI code.
>> 
>> [The latest documentation](https://docs.oracle.com/en/java/javase/17/docs/specs/jni/functions.html#releaseprimitivetypearrayelements-routines) of JNI functions makes an explicit note about the use of JNI_COMMIT:
>> 
>>> If `JNI_COMMIT` is passed as the `mode` argument when `elems` is a copy of the elements in `array`, then a final call to *Release<PrimitiveType\>ArrayElements* passing a `mode` argument of "0" or `JNI_ABORT`, should be made to free the `elems` buffer
>> 
>> No new regression test. I manually verified the Linux fix using ClhdsbPstack test in root mode. Also, tier1-2 tests on mach5 continue to pass.
>
> Daniel Jeliński has updated the pull request incrementally with one additional commit since the last revision:
> 
>   MacOS fix

Marked as reviewed by cjplummer (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11963