Enum literal is assignable to enum, even inside union
Previously, only number literals were assignable to enums inside unions.
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@ -6224,7 +6224,9 @@ namespace ts {
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if (source.flags & (TypeFlags.Number | TypeFlags.NumberLiteral) &&
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target.flags & TypeFlags.Union &&
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forEach((target as UnionType).types, t => t.flags & TypeFlags.EnumLike)) return true;
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if (source.flags & TypeFlags.NumberLiteral && target.flags & TypeFlags.EnumLiteral && (<LiteralType>source).text === (<LiteralType>target).text) return true;
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if (source.flags & (TypeFlags.NumberLiteral | TypeFlags.EnumLiteral) &&
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target.flags & TypeFlags.EnumLiteral &&
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(<LiteralType>source).text === (<LiteralType>target).text) return true;
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}
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return false;
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}
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