1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/coerce-ambig-alias-to-rigid-alias.rs b/tests/ui/traits/next-solver/coerce-ambig-alias-to-rigid-alias.rs
new file mode 100644
index 000000000..bcb48b5ac
--- /dev/null
+++ b/tests/ui/traits/next-solver/coerce-ambig-alias-to-rigid-alias.rs
@@ -0,0 +1,15 @@
+// compile-flags: -Znext-solver
+// check-pass
+
+trait Trait {
+    type Assoc;
+}
+
+fn call<T: Trait>(_: <T as Trait>::Assoc, _: T) {}
+
+fn foo<T: Trait>(rigid: <T as Trait>::Assoc, t: T) {
+    // Check that we can coerce `<?0 as Trait>::Assoc` to `<T as Trait>::Assoc`.
+    call::<_ /* ?0 */>(rigid, t);
+}
+
+fn main() {}