From d1ce8ee20d67d5a44bcdb169c368f66678f10240 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nick@wasmer.io>
Date: Thu, 7 Nov 2019 10:57:10 -0800
Subject: [PATCH] Give that panic! a message. Also, make it an unreachable!.

---
 lib/llvm-backend/src/state.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/llvm-backend/src/state.rs b/lib/llvm-backend/src/state.rs
index 254b9b344..357d83d1f 100644
--- a/lib/llvm-backend/src/state.rs
+++ b/lib/llvm-backend/src/state.rs
@@ -182,7 +182,7 @@ impl BitAnd for ExtraInfo {
             (false, false) => info,
             (true, false) => info | ExtraInfo::pending_f32_nan(),
             (false, true) => info | ExtraInfo::pending_f64_nan(),
-            (true, true) => panic!(""),
+            (true, true) => unreachable!("Can't form ExtraInfo with two pending canonicalizations"),
         };
         info
     }