1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs
index eb39cd397f5..dc4146ec7b5 100644
--- a/compiler/rustc_codegen_ssa/src/traits/backend.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs
@@ -63,7 +63,14 @@ pub trait CodegenBackend {
         None
     }
 
-    fn metadata_loader(&self) -> Box<MetadataLoaderDyn>;
+    /// The metadata loader used to load rlib and dylib metadata.
+    ///
+    /// Alternative codegen backends may want to use different rlib or dylib formats than the
+    /// default native static archives and dynamic libraries.
+    fn metadata_loader(&self) -> Box<MetadataLoaderDyn> {
+        Box::new(crate::back::metadata::DefaultMetadataLoader)
+    }
+
     fn provide(&self, _providers: &mut Providers) {}
     fn provide_extern(&self, _providers: &mut Providers) {}
     fn codegen_crate<'tcx>(