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GUFA: Fix signed reads of packed GC data#6494

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kripken merged 5 commits intoWebAssembly:mainfrom
kripken:gufa.packed
Apr 11, 2024
Merged

GUFA: Fix signed reads of packed GC data#6494
kripken merged 5 commits intoWebAssembly:mainfrom
kripken:gufa.packed

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@kripken kripken commented Apr 11, 2024

GUFA already truncated packed fields on write, which is enough for unsigned gets,
but for signed gets we also need to sign them on reads.

Similar to #6493 but for GUFA. Also found by #6486

@kripken kripken requested a review from tlively April 11, 2024 18:38
@kripken kripken merged commit 729f64c into WebAssembly:main Apr 11, 2024
@kripken kripken deleted the gufa.packed branch April 11, 2024 20:33
@gkdn gkdn mentioned this pull request Aug 31, 2024
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