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mighty-gerbils / gerbil

Gerbil Scheme
https://cons.io
GNU Lesser General Public License v2.1
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Improve MOP safety #1182

Closed vyzo closed 8 months ago

vyzo commented 8 months ago

Specifically, class-slot-offset and find-method need to be immune to type errors for symbolic table references (which doesn't check anything).

Also normalizes the behavior of class-instance?.

Impetus:

Gerbil v0.18.1-72-gb280d037 on Gambit v4.9.5-124-g6d1a9a9b
> (defclass Point (x y))
> (def a (Point 1 2))

Process scheme segmentation fault (core dumped)

Not good UX.

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