From 41a2260bc7d7388a6ef2b0dfa7a980c977e26081 Mon Sep 17 00:00:00 2001
From: tiif <pekyuan@gmail.com>
Date: Mon, 12 May 2025 09:23:30 +0200
Subject: [PATCH] Use unreachable instead of panic

Co-authored-by: bjorn3 <17426603+bjorn3@users.noreply.github.com>
---
 compiler/rustc_target/src/callconv/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_target/src/callconv/mod.rs b/compiler/rustc_target/src/callconv/mod.rs
index 6aae8bc75560..a141accb7380 100644
--- a/compiler/rustc_target/src/callconv/mod.rs
+++ b/compiler/rustc_target/src/callconv/mod.rs
@@ -919,7 +919,7 @@ fn conv_to_externabi(conv: &Conv) -> ExternAbi {
         Conv::AvrNonBlockingInterrupt => ExternAbi::AvrNonBlockingInterrupt,
         Conv::RiscvInterrupt { kind: RiscvInterruptKind::Machine } => ExternAbi::RiscvInterruptM,
         Conv::RiscvInterrupt { kind: RiscvInterruptKind::Supervisor } => ExternAbi::RiscvInterruptS,
-        Conv::Cold | Conv::PreserveAll => panic!("This is deadcode"),
+        Conv::Cold | Conv::PreserveAll => unreachable!(),
     }
 }