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Updates
PanicReason
to automatically derive conversion traits, removing the need for manual bookkeeping of error numbers. This also removes some of the unused error variants. The unutilizedInvalidPanicReason
error is removed as well, and merged intoUnknownPanicReason
variant.This PR is in preparation for adding more granular
PanicReason
variants.Originally from #461, and extracted here for a separate review.
Alternatives
Instead of removing unused errors and reordering the rest, the same numeric values could be kept. However, nobody should be depending on the numeric values, which I consider to be strictly an implementation detail of the VM.