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Probable type soundness bug #97

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adamgundry opened this issue Oct 8, 2022 · 0 comments
Open

Probable type soundness bug #97

adamgundry opened this issue Oct 8, 2022 · 0 comments

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@adamgundry
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I don't yet have a reproducer for this, but I believe it is probably possible to break type soundness if a GADT binds a unit equality, because uom-plugin may use this unit equality to prove others, but the generated evidence does not depend on the bound variable. Thus GHC may float it out from under the GADT pattern match.
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@adamgundry