1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/upcast-right-substs.rs b/tests/ui/traits/next-solver/upcast-right-substs.rs
new file mode 100644
index 000000000..5b4f6d4be
--- /dev/null
+++ b/tests/ui/traits/next-solver/upcast-right-substs.rs
@@ -0,0 +1,13 @@
+// compile-flags: -Znext-solver
+// check-pass
+#![feature(trait_upcasting)]
+
+trait Foo: Bar<i32> + Bar<u32> {}
+
+trait Bar<T> {}
+
+fn main() {
+    let x: &dyn Foo = todo!();
+    let y: &dyn Bar<i32> = x;
+    let z: &dyn Bar<u32> = x;
+}