Nathan Shively-Sanders 8f40620deb Address PR comments
1. Cache results of isEnumTypeRelatedTo
2. Make numeric literal assignment stricter again.
3. Use isEnumRelatedTo for comparing enums to each other. This provides
the previous semi-structural semantics.
4. Because of the new distinction between computed enums (no union
members) and union enums (no computed values => a union of enum
literals), some semi-structural code moves out to the body of
`isRelatedTo`.
2016-09-12 09:59:23 -07:00
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2016-09-12 09:59:23 -07:00