From 11eb83ae749f037997ad6bf0841daa69d625f066 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Wed, 28 Feb 2018 13:04:12 -0500
Subject: [PATCH] Update issue-48551.rs

---
 src/test/run-pass/issue-48551.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/test/run-pass/issue-48551.rs b/src/test/run-pass/issue-48551.rs
index 61146cd087b1..93bddbc53354 100644
--- a/src/test/run-pass/issue-48551.rs
+++ b/src/test/run-pass/issue-48551.rs
@@ -8,6 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// Regression test for #48551. Covers a case where duplicate candidates
+// arose during associated type projection.
+
 use std::ops::{Mul, MulAssign};
 
 pub trait ClosedMul<Right>: Sized + Mul<Right, Output = Self> + MulAssign<Right> {}