Fix some subtle UB found by MSan. #4093
Merged
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Technically, any small size buffer's lifetime has ended by the time we get to the base's destructor. This means its no longer valid to access table contents if stored there from the base destructor. We need to handle destruction in the table class instead.
This ends up being a trivial change because the logic is already factored out, we just need to call it from a different point.