From 0c592a6bb11a3cc2e1537c5771807347c5b814a3 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sat, 30 Jun 2018 18:56:29 +0200
Subject: [PATCH] Add some warnings

---
 src/base.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/base.rs b/src/base.rs
index 29ec4c14d2c..41ff8ec5d24 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -47,9 +47,9 @@ pub fn trans_mono_item<'a, 'tcx: 'a>(cx: &mut CodegenCx<'a, 'tcx, CurrentBackend
                 cx.module.define_function(func_id, context).unwrap();
                 context.clear();
             }
-            _ => {}
+            inst => cx.tcx.sess.warn(&format!("Unimplemented instance {:?}", inst)),
         }
-        _ => {}
+        mono_item => cx.tcx.sess.warn(&format!("Unimplemented mono item {:?}", mono_item)),
     }
 }