Because we're writing to a file, so `FileEncoder` is better because we don't have to write all the data to memory first.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.
Because we're writing to a file, so `FileEncoder` is better because we don't have to write all the data to memory first.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.