1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/alias_eq_simple.rs b/tests/ui/traits/new-solver/alias_eq_simple.rs
new file mode 100644
index 000000000..6792cf3ce
--- /dev/null
+++ b/tests/ui/traits/new-solver/alias_eq_simple.rs
@@ -0,0 +1,22 @@
+// check-pass
+// compile-flags: -Ztrait-solver=next
+
+// test that the new solver can handle `alias-eq(<i32 as TraitB>::Assoc, u32)`
+
+trait TraitA {}
+
+trait TraitB {
+    type Assoc;
+}
+
+impl<T: TraitB> TraitA for (T, T::Assoc) {}
+
+impl TraitB for i32 {
+    type Assoc = u32;
+}
+
+fn needs_a<T: TraitA>() {}
+
+fn main() {
+    needs_a::<(i32, u32)>();
+}