1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/never_type/impl_trait_fallback2.rs b/src/test/ui/never_type/impl_trait_fallback2.rs
new file mode 100644
index 000000000..12c187b9e
--- /dev/null
+++ b/src/test/ui/never_type/impl_trait_fallback2.rs
@@ -0,0 +1,22 @@
+#![feature(type_alias_impl_trait)]
+
+fn main() {}
+
+trait T {}
+impl T for i32 {}
+
+fn should_ret_unit() -> impl T {
+    //~^ ERROR `(): T` is not satisfied
+    panic!()
+}
+
+type Foo = impl T;
+
+fn a() -> Foo {
+    //~^ ERROR `(): T` is not satisfied
+    panic!()
+}
+
+fn b() -> Foo {
+    42
+}