From d9021791eb097ae80bb1f1dd691e7e47c8e16f59 Mon Sep 17 00:00:00 2001
From: Giacomo Stevanato <giaco.stevanato@gmail.com>
Date: Thu, 11 Jul 2024 22:38:34 +0200
Subject: [PATCH] Revert accidental comment deletion

---
 compiler/rustc_borrowck/src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
index d258c68b9598b..9ad941dabbe65 100644
--- a/compiler/rustc_borrowck/src/lib.rs
+++ b/compiler/rustc_borrowck/src/lib.rs
@@ -821,6 +821,8 @@ impl<'a, 'mir, 'tcx, R> rustc_mir_dataflow::ResultsVisitor<'mir, 'tcx, R>
             | TerminatorKind::Return
             | TerminatorKind::TailCall { .. }
             | TerminatorKind::CoroutineDrop => {
+                // Returning from the function implicitly kills storage for all locals and statics.
+                // Often, the storage will already have been killed by an explicit
                 // StorageDead, but we don't always emit those (notably on unwind paths),
                 // so this "extra check" serves as a kind of backup.
                 let borrow_set = self.borrow_set.clone();