pub use rustc_data_structures::sync::MetadataRef;
pub trait CodegenBackend {
fn init(&self, _sess: &Session) {}
fn print(&self, _req: PrintRequest, _sess: &Session) {}
pub use rustc_data_structures::sync::MetadataRef;
pub trait CodegenBackend {
fn init(&self, _sess: &Session) {}
fn print(&self, _req: PrintRequest, _sess: &Session) {}