1 files changed, 22 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-57399-self-return-impl-trait.rs b/src/test/ui/issues/issue-57399-self-return-impl-trait.rs
new file mode 100644
index 000000000..c7fe40e7b
--- /dev/null
+++ b/src/test/ui/issues/issue-57399-self-return-impl-trait.rs
@@ -0,0 +1,22 @@
+// check-pass
+
+trait T {
+    type T;
+}
+
+impl T for i32 {
+    type T = u32;
+}
+
+struct S<A> {
+    a: A,
+}
+
+
+impl From<u32> for S<<i32 as T>::T> {
+    fn from(a: u32) -> Self {
+        Self { a }
+    }
+}
+
+fn main() {}