RFR: 8297657: name demangling intermittently fails [v2]

[Coleen Phillimore]

On Thu, 11 May 2023 08:13:41 GMT, Fredrik Bredberg <duke at openjdk.org> wrote:

>> Fixes an intermittent name demangling problem (due to the uninitialized AbstractDecoder::_decoder_status field).
>> The problem affected hs-err stack traces on macosx-aarch64 and macosx-amd64.
>> 
>> I've done manual testing to verify the problem and the solution.
>> Also run tier1-5 after the fix without seeing any new problems.
>
> Fredrik Bredberg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updated after review

Yes this looks good.  I didn't see the not_available initialization so passing the initial status is right.

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Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13883#pullrequestreview-1422367936