Must be happening for a reason: - Type equivalence is an edge case not covered yet - Type equivalence calculation is too expensive so that compilation time is p

Must be happening for a reason: - Type equivalence is an edge case not covered yet - Type equivalence calculation is too expensive so that compilation time is preferred than type equivalence completeness If you would, please post it in issues, that'll be great https://github.com/microsoft/TypeScript/issues https://github.com/microsoft/TypeScript/issues