1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs
new file mode 100644
index 000000000..9d7e647dd
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs
@@ -0,0 +1,18 @@
+// The canonical query `Projection(<get_rpit as FnOnce>::Output = Opaque)`
+// is the *only* site that defines `Opaque` in MIR typeck.
+//
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+
+type Opaque = impl Sized;
+
+fn get_rpit() -> impl Sized {}
+
+fn query(_: impl FnOnce() -> Opaque) {}
+
+fn test(_: Opaque) {
+    query(get_rpit);
+}
+
+fn main() {}