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ibrahima (Ibrahim Awwal)

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  • Registered on: 05/19/2026
  • Last sign in: 05/22/2026

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Today

05:49 AM Ruby Bug #22074: YJIT misaligns locals when there are > 256 local variables
By the way, we first encountered this bug on Ruby 3.4, so I think it affects at least 3.4, not sure about earlier versions. But the reproduction script should hopefully make it easy to check - I can run it on older versions later. ibrahima (Ibrahim Awwal)

05/19/2026

11:45 PM Ruby Bug #22074 (Closed): YJIT misaligns locals when there are > 256 local variables
Hi! We ran into this issue in production with a large Slim template in a Rails app, but we found that it's reproducible in any function with a lot of local variables. It seems like YJIT tracks local variables for register allocation in a... ibrahima (Ibrahim Awwal)

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