- Use enum Void to avoid mismatched types error - We don't need to use if let to check the ICE Signed-off-by: Shunpoco <tkngsnsk313320@gmail.com>
If all subcandidates have never-pattern, the parent candidate should have otherwise_block because some methods expect the candidate has the block. Signed-off-by: Shunpoco <tkngsnsk313320@gmail.com>