1 files changed, 45 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/toplevel_ref_arg.stderr b/src/tools/clippy/tests/ui/toplevel_ref_arg.stderr
new file mode 100644
index 000000000..9c853020a
--- /dev/null
+++ b/src/tools/clippy/tests/ui/toplevel_ref_arg.stderr
@@ -0,0 +1,45 @@
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:20:9
+   |
+LL |     let ref _x = 1;
+   |     ----^^^^^^----- help: try: `let _x = &1;`
+   |
+   = note: `-D clippy::toplevel-ref-arg` implied by `-D warnings`
+
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:22:9
+   |
+LL |     let ref _y: (&_, u8) = (&1, 2);
+   |     ----^^^^^^--------------------- help: try: `let _y: &(&_, u8) = &(&1, 2);`
+
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:24:9
+   |
+LL |     let ref _z = 1 + 2;
+   |     ----^^^^^^--------- help: try: `let _z = &(1 + 2);`
+
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:26:9
+   |
+LL |     let ref mut _z = 1 + 2;
+   |     ----^^^^^^^^^^--------- help: try: `let _z = &mut (1 + 2);`
+
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:31:9
+   |
+LL |     let ref _x = vec![1, 2, 3];
+   |     ----^^^^^^----------------- help: try: `let _x = &vec![1, 2, 3];`
+
+error: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
+  --> $DIR/toplevel_ref_arg.rs:11:13
+   |
+LL |         let ref _y = 42;
+   |         ----^^^^^^------ help: try: `let _y = &42;`
+...
+LL |         gen_binding!();
+   |         -------------- in this macro invocation
+   |
+   = note: this error originates in the macro `gen_binding` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 6 previous errors
+