From 7adfb44b95335ce9a565aea1f5f32a3e14119f9c Mon Sep 17 00:00:00 2001
From: yukang <moorekang@gmail.com>
Date: Wed, 21 Sep 2022 12:31:29 +0800
Subject: [PATCH] add trivial comments

---
 compiler/rustc_resolve/src/late/diagnostics.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs
index ac1153602572..7f3dc2085211 100644
--- a/compiler/rustc_resolve/src/late/diagnostics.rs
+++ b/compiler/rustc_resolve/src/late/diagnostics.rs
@@ -130,6 +130,7 @@ pub(super) enum LifetimeElisionCandidate {
     Missing(MissingLifetime),
 }
 
+/// Only used for diagnostics.
 struct BaseError<'a> {
     msg: String,
     fallback_label: String,
@@ -313,7 +314,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
         }
 
         self.suggest_type_ascription(&mut err, source, path, res, span, &base_error);
-        self.add_err_code_cases(&mut err, source, path, span);
+        self.err_code_special_cases(&mut err, source, path, span);
 
         (err, candidates)
     }
@@ -667,7 +668,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
         }
     }
 
-    fn add_err_code_cases(
+    fn err_code_special_cases(
         &mut self,
         err: &mut DiagnosticBuilder<'_, ErrorGuaranteed>,
         source: PathSource<'_>,