From 6752a7dc6dcf71f08c28278179e77cb8b204d12c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Sun, 25 Jun 2023 23:16:00 +0200
Subject: [PATCH] make custom mir ICE a bit nicer

---
 compiler/rustc_mir_build/src/build/custom/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_mir_build/src/build/custom/mod.rs b/compiler/rustc_mir_build/src/build/custom/mod.rs
index 32c618828c9b2..715d8dc7ddf6b 100644
--- a/compiler/rustc_mir_build/src/build/custom/mod.rs
+++ b/compiler/rustc_mir_build/src/build/custom/mod.rs
@@ -118,7 +118,7 @@ fn parse_attribute(attr: &Attribute) -> MirPhase {
                 phase = Some(value);
             }
             other => {
-                panic!("Unexpected key {}", other);
+                bug!("Unexpected key while parsing custom_mir attribute: '{}'", other);
             }
         }
     }