RFR: 8368938: Remove ObjectWaiter::badObjectWaiterPtr [v3]

[duke]

On Tue, 30 Sep 2025 11:38:29 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

>> There's apparently no reason against having the symbol shared for all instances. This saves a byte from the memory footprint of `ObjectWaiter`.
>> 
>> Passes tier1 and tier2 (fastdebug).
>
> Francesco Andreuzzi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   include

@fandreuz 
Your change (at version b9eb7c4c6df5d10e08b4917922fea42fcb242fcf) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/27571#issuecomment-3356612094