1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/infinite/infinite-trait-alias-recursion.rs b/src/test/ui/infinite/infinite-trait-alias-recursion.rs
new file mode 100644
index 000000000..ec86744e6
--- /dev/null
+++ b/src/test/ui/infinite/infinite-trait-alias-recursion.rs
@@ -0,0 +1,10 @@
+#![feature(trait_alias)]
+
+trait T1 = T2;
+//~^ ERROR cycle detected when computing the super predicates of `T1`
+
+trait T2 = T3;
+
+trait T3 = T1 + T3;
+
+fn main() {}