2 files changed, 2 insertions, 2 deletions
diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs
index 32a160bcffc..d50d3deb673 100644
--- a/src/librustc_driver/driver.rs
+++ b/src/librustc_driver/driver.rs
@@ -175,7 +175,7 @@ pub fn compile_input(sess: &Session,
         // Construct the HIR map
         let hir_map = time(sess.time_passes(),
                            "indexing hir",
-                           || hir_map::map_crate(&mut hir_forest, defs));
+                           || hir_map::map_crate(&mut hir_forest, &defs));
 
         {
             let _ignore = hir_map.dep_graph.in_ignore();
diff --git a/src/librustc_driver/test.rs b/src/librustc_driver/test.rs
index 34f4e0e7b0c..daabf481e46 100644
--- a/src/librustc_driver/test.rs
+++ b/src/librustc_driver/test.rs
@@ -133,7 +133,7 @@ fn test_env<F>(source_string: &str,
 
     let arena = DroplessArena::new();
     let arenas = ty::GlobalArenas::new();
-    let hir_map = hir_map::map_crate(&mut hir_forest, defs);
+    let hir_map = hir_map::map_crate(&mut hir_forest, &defs);
 
     // run just enough stuff to build a tcx:
     let named_region_map = resolve_lifetime::krate(&sess, &*cstore, &hir_map);