1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-ctypes-73249-2.rs b/src/test/ui/lint/lint-ctypes-73249-2.rs
new file mode 100644
index 000000000..691047c8a
--- /dev/null
+++ b/src/test/ui/lint/lint-ctypes-73249-2.rs
@@ -0,0 +1,29 @@
+#![feature(type_alias_impl_trait)]
+#![deny(improper_ctypes)]
+
+pub trait Baz {}
+
+impl Baz for () {}
+
+type Qux = impl Baz;
+
+fn assign() -> Qux {}
+
+pub trait Foo {
+    type Assoc: 'static;
+}
+
+impl Foo for () {
+    type Assoc = Qux;
+}
+
+#[repr(transparent)]
+pub struct A<T: Foo> {
+    x: &'static <T as Foo>::Assoc,
+}
+
+extern "C" {
+    pub fn lint_me() -> A<()>; //~ ERROR: uses type `Qux`
+}
+
+fn main() {}