gh-143421: Use new buffer to save optimized uops

[cocolato]

• Issue: JIT optimizer cleanups #143421

[python-cla-bot]

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[cocolato]

@Fidget-Spinner There may be many details that need fixing, and I hope you can give me some suggestions.

[cocolato]

I haven't yet removed the cases of REPLACE_OP((inst+1),...), perhaps there's a better way to achieve this.

cpython/Python/optimizer_analysis.c

Line 244 in 03e6457

REPLACE_OP((this_instr+1), _EXIT_TRACE, 0, 0);

[Fidget-Spinner]

Thanks, this is really valuable work. We definitely need this.

[cocolato]

Thanks for taking the time to review this! I will rewrite them later.

[Fidget-Spinner]

Quite close.

[cocolato]

Updated, thanks for your patient guidance!

[Fidget-Spinner]

Ok, last few minor comments. then I think this is ready to merge.

Thank you for your patience in enduring my comments :).

[cocolato]

I may have misunderstood the previous comment. Thank you again for your guidance!

[Fidget-Spinner]

Will leave this open for three days in case any other people want to review.