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ZJIT: Mark String#% as returning StringExact #1085

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ruby/ruby
#19479

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@tekknolagi

See cruby_methods

Add HIR opt test

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  1. femto commented on Oct 22, 2026

    @femto

    Hi! I'd like to take this one. I'll add the annotation in cruby_methods and an HIR opt test, and open a PR against ruby/ruby. Let me know if there's anything I should be aware of.

  2. tekknolagi commented on Oct 22, 2026

    @tekknolagi
    Author

    PRs should be to ruby/ruby, not Shopify/ruby. Furthermore, for ZJIT work, please do not attribute LLM usage (PR, commit, discussion about anything in the PR, ...). You must stand behind your contribution as if unaided, and be able to explain every last detail of it.

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