From 1499a6faad8a64c87e4837572cbcea959ec5c006 Mon Sep 17 00:00:00 2001
From: Gary Guo <gary@garyguo.net>
Date: Thu, 6 Apr 2023 22:19:22 +0100
Subject: [PATCH] UnwindAction::Terminate edge is also critical edge

---
 compiler/rustc_mir_transform/src/add_call_guards.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_mir_transform/src/add_call_guards.rs b/compiler/rustc_mir_transform/src/add_call_guards.rs
index ea7ccb512e0..e1e354efa1c 100644
--- a/compiler/rustc_mir_transform/src/add_call_guards.rs
+++ b/compiler/rustc_mir_transform/src/add_call_guards.rs
@@ -53,7 +53,8 @@ pub fn add_call_guards(&self, body: &mut Body<'_>) {
                     kind: TerminatorKind::Call { target: Some(ref mut destination), unwind, .. },
                     source_info,
                 }) if pred_count[*destination] > 1
-                    && (matches!(unwind, UnwindAction::Cleanup(_)) || self == &AllCallEdges) =>
+                    && (matches!(unwind, UnwindAction::Cleanup(_) | UnwindAction::Terminate)
+                        || self == &AllCallEdges) =>
                 {
                     // It's a critical edge, break it
                     let call_guard = BasicBlockData {