1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/double-ref.rs b/tests/ui/double-ref.rs
new file mode 100644
index 00000000000..e68b8683376
--- /dev/null
+++ b/tests/ui/double-ref.rs
@@ -0,0 +1,36 @@
+// run-pass
+
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+fn check_expr() {
+    let _:         & usize =     &1;
+    let _:       & & usize =    &&1;
+    let _:     & & & usize =   &&&1;
+    let _:     & & & usize =  & &&1;
+    let _:   & & & & usize =  &&&&1;
+    let _:   & & & & usize = & &&&1;
+    let _: & & & & & usize = &&&&&1;
+}
+
+fn check_ty() {
+    let _:     &usize =         & 1;
+    let _:    &&usize =       & & 1;
+    let _:   &&&usize =     & & & 1;
+    let _:  & &&usize =     & & & 1;
+    let _:  &&&&usize =   & & & & 1;
+    let _: & &&&usize =   & & & & 1;
+    let _: &&&&&usize = & & & & & 1;
+}
+
+fn check_pat() {
+    let     &_ =         & 1_usize;
+    let    &&_ =       & & 1_usize;
+    let   &&&_ =     & & & 1_usize;
+    let  & &&_ =     & & & 1_usize;
+    let  &&&&_ =   & & & & 1_usize;
+    let & &&&_ =   & & & & 1_usize;
+    let &&&&&_ = & & & & & 1_usize;
+}
+
+pub fn main() {}