Fix subtyping issues #1165
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Fix subtyping issues #1165
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This was referenced Jun 12, 2024
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Steep 1.7.0 introduces a new constraint that
selfcannot includeinstanceandclasstypes, and vice versa. This causes an unexpected type checking failure on FFI as reported in #1162.This PR fixes the problem by delaying the constraint checking until the shape of
selftype is needed.#916 is also fixed by handling the
self,instance, andclasstypes during validation.Fixes #1162, #916.