1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/object-safety/issue-102933.rs b/src/test/ui/object-safety/issue-102933.rs
new file mode 100644
index 000000000..843391cff
--- /dev/null
+++ b/src/test/ui/object-safety/issue-102933.rs
@@ -0,0 +1,25 @@
+// check-pass
+
+use std::future::Future;
+
+pub trait Service {
+    type Response;
+    type Future: Future<Output = Self::Response>;
+}
+
+pub trait A1: Service<Response = i32> {}
+
+pub trait A2: Service<Future = Box<dyn Future<Output = i32>>> + A1 {
+    fn foo(&self) {}
+}
+
+pub trait B1: Service<Future = Box<dyn Future<Output = i32>>> {}
+
+pub trait B2: Service<Response = i32> + B1 {
+    fn foo(&self) {}
+}
+
+fn main() {
+    let x: &dyn A2 = todo!();
+    let x: &dyn B2 = todo!();
+}