From 85883503c30f672fc53e36f43e5852438238a6d5 Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Mon, 13 Nov 2023 12:59:58 +0000
Subject: [PATCH] add fixme to `RegionCtxt`

---
 compiler/rustc_borrowck/src/renumber.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/rustc_borrowck/src/renumber.rs b/compiler/rustc_borrowck/src/renumber.rs
index ec0131c5349..a31d39e14cd 100644
--- a/compiler/rustc_borrowck/src/renumber.rs
+++ b/compiler/rustc_borrowck/src/renumber.rs
@@ -28,6 +28,9 @@ pub fn renumber_mir<'tcx>(
     renumberer.visit_body(body);
 }
 
+// FIXME(@lcnr): A lot of these variants overlap and it seems like
+// this type is only used to decide which region should be used
+// as representative. This should be cleaned up.
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
 pub(crate) enum RegionCtxt {
     Location(Location),