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-rw-r--r--src/test/run-pass/issue-48551.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/test/run-pass/issue-48551.rs b/src/test/run-pass/issue-48551.rs
index 61146cd087b..93bddbc5335 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> {}