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-rw-r--r--tests/ui/traits/inductive-overflow/two-traits.stderr1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/traits/inductive-overflow/two-traits.stderr b/tests/ui/traits/inductive-overflow/two-traits.stderr
index 0d0bf88616c..d2f809f3577 100644
--- a/tests/ui/traits/inductive-overflow/two-traits.stderr
+++ b/tests/ui/traits/inductive-overflow/two-traits.stderr
@@ -4,6 +4,7 @@ error[E0277]: `T` cannot be shared between threads safely
 LL |     type X = Self;
    |              ^^^^ `T` cannot be shared between threads safely
    |
+   = note: consider using `std::sync::Arc<T>`; for more information visit <https://doc.rust-lang.org/book/ch16-03-shared-state.html>
 note: required by a bound in `Magic::X`
   --> $DIR/two-traits.rs:8:13
    |