RFR: 8289778: ZGC: incorrect use of os::free() for mountpoint string handling after JDK-8289633 [v3]

[Thomas Stuefe]

On Thu, 7 Jul 2022 13:17:40 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>>> Did you add this by intention or was it added by your IDE?
>> 
>> It was added by intention.
>> Any question?
>> Thanks.
>
> No, that's fine. My VS code often adds it, but it's not strictly required.

Needed for Kim's ALLOW_xxx macros.

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PR: https://git.openjdk.org/jdk/pull/9387