diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 73a51ad477b..11dd6ec32c0 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -56,6 +56,9 @@ pub fn output_dir(&self) -> &Option<PathBuf> {
     pub fn output_file(&self) -> &Option<PathBuf> {
         &self.output_file
     }
+    pub fn register_lints(&self) -> &Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>> {
+        &self.register_lints
+    }
     pub fn build_output_filenames(
         &self,
         sess: &Session,