1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs b/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs
new file mode 100644
index 000000000..0d7f5bad2
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/nested-tait-inference2.rs
@@ -0,0 +1,18 @@
+#![feature(type_alias_impl_trait)]
+#![allow(dead_code)]
+
+use std::fmt::Debug;
+
+type FooX = impl Debug;
+
+trait Foo<A> {}
+
+impl Foo<()> for () {}
+impl Foo<u32> for () {}
+
+fn foo() -> impl Foo<FooX> {
+    //~^ ERROR: the trait bound `(): Foo<FooX>` is not satisfied
+    ()
+}
+
+fn main() {}