From 7d1b19cfe3552345d35c44745971c7df99a970bb Mon Sep 17 00:00:00 2001
From: Oliver Scherer <github35764891676564198441@oli-obk.de>
Date: Tue, 11 Dec 2018 09:05:06 +0100
Subject: [PATCH] Diagnostics improvement!

---
 src/test/run-pass/ctfe/references.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/test/run-pass/ctfe/references.rs b/src/test/run-pass/ctfe/references.rs
index 946ed246bb0..d5ab8dd7a2a 100644
--- a/src/test/run-pass/ctfe/references.rs
+++ b/src/test/run-pass/ctfe/references.rs
@@ -28,9 +28,10 @@ fn main() {
         _ => panic!("c"),
     }
 
+    #[allow(unreachable_patterns)]
     match &43 {
         &42 => panic!(),
-        BOO => panic!(),
+        BOO => panic!(), // pattern is unreachable
         _ => println!("d"),
     }
 }