D114979 changed the textual formal of ref.null - dropping ref.null in favour of ref.null_extern and ref.null_func. Therefore, the type checker no longer needs logic to handle "ref.null". Differential Revision: https://reviews.llvm.org/D122123
D114979 changed the textual formal of ref.null - dropping ref.null in favour of ref.null_extern and ref.null_func. Therefore, the type checker no longer needs logic to handle "ref.null". Differential Revision: https://reviews.llvm.org/D122123