From c16e2899dc550b2bc3d04f25eae69c87a3b83824 Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Thu, 29 Aug 2024 10:13:19 +1000
Subject: [PATCH] Add `warn(unreachable_pub)` to `rustc_mir_build`.

---
 compiler/rustc_mir_build/src/check_unsafety.rs | 2 +-
 compiler/rustc_mir_build/src/lib.rs            | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs
index 60cd49b88b43d..4ce796cea7ad3 100644
--- a/compiler/rustc_mir_build/src/check_unsafety.rs
+++ b/compiler/rustc_mir_build/src/check_unsafety.rs
@@ -1027,7 +1027,7 @@ impl UnsafeOpKind {
     }
 }
 
-pub fn check_unsafety(tcx: TyCtxt<'_>, def: LocalDefId) {
+pub(crate) fn check_unsafety(tcx: TyCtxt<'_>, def: LocalDefId) {
     // Closures and inline consts are handled by their owner, if it has a body
     // Also, don't safety check custom MIR
     if tcx.is_typeck_child(def.to_def_id()) || tcx.has_attr(def, sym::custom_mir) {
diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs
index 66004179b10b1..3dbb552cdbbef 100644
--- a/compiler/rustc_mir_build/src/lib.rs
+++ b/compiler/rustc_mir_build/src/lib.rs
@@ -8,6 +8,7 @@
 #![feature(if_let_guard)]
 #![feature(let_chains)]
 #![feature(try_blocks)]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 mod build;