From 2cd28c15eefba7aaee1541f5325ce2436ceccb13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Sun, 27 Oct 2019 10:22:22 -0700
Subject: [PATCH] add comment

---
 src/librustc/traits/coherence.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc/traits/coherence.rs b/src/librustc/traits/coherence.rs
index edf95bf7612..ff09c8784fd 100644
--- a/src/librustc/traits/coherence.rs
+++ b/src/librustc/traits/coherence.rs
@@ -237,7 +237,7 @@ pub fn trait_ref_is_local_or_fundamental<'tcx>(
 }
 
 pub enum OrphanCheckErr<'tcx> {
-    NonLocalInputType(Vec<(Ty<'tcx>, bool)>),
+    NonLocalInputType(Vec<(Ty<'tcx>, bool /* Is this the first input type? */)>),
     UncoveredTy(Ty<'tcx>),
 }