Normalize return type of deduce_future_output_from_obligations

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/async-await/normalize-output-in-signature-deduction.rs b/tests/ui/async-await/normalize-output-in-signature-deduction.rs
new file mode 100644
index 00000000000..960065a83a4
--- /dev/null
+++ b/tests/ui/async-await/normalize-output-in-signature-deduction.rs
@@ -0,0 +1,19 @@
+// edition:2021
+// revisions: current next
+//[next] compile-flags: -Ztrait-solver=next
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+
+struct Foo;
+
+impl Trait for Foo {}
+pub trait Trait {}
+
+pub type TAIT<T> = impl Trait;
+
+async fn foo<T>() -> TAIT<T> {
+    Foo
+}
+
+fn main() {}