1 files changed, 15 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-23406.rs b/tests/ui/issues/issue-23406.rs
new file mode 100644
index 00000000000..d00d5d6f944
--- /dev/null
+++ b/tests/ui/issues/issue-23406.rs
@@ -0,0 +1,15 @@
+// build-pass
+#![allow(dead_code)]
+trait Inner {
+    type T;
+}
+
+impl<'a> Inner for &'a i32 {
+    type T = i32;
+}
+
+fn f<'a>(x: &'a i32) -> <&'a i32 as Inner>::T {
+    *x
+}
+
+fn main() {}