1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/effect-param-infer.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/effect-param-infer.rs
new file mode 100644
index 000000000..e216f6879
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/effect-param-infer.rs
@@ -0,0 +1,15 @@
+// Ensure that we don't get a mismatch error when inserting the host param
+// at the end of generic args when the generics have defaulted params.
+//
+// check-pass
+
+#![feature(const_trait_impl, effects)]
+
+#[const_trait]
+pub trait Foo<Rhs: ?Sized = Self> {
+    /* stuff */
+}
+
+impl const Foo for () {}
+
+fn main() {}