diff --git a/tests/ui/indexing_slicing.stderr b/tests/ui/indexing_slicing.stderr
index 0744676d1..b2840f7b5 100644
--- a/tests/ui/indexing_slicing.stderr
+++ b/tests/ui/indexing_slicing.stderr
@@ -1,3 +1,23 @@
+error: index out of bounds: the len is 4 but the index is 4
+  --> $DIR/indexing_slicing.rs:18:5
+   |
+LL |     x[4]; // Ok, let rustc's `const_err` lint handle `usize` indexing on arrays.
+   |     ^^^^
+   |
+   = note: `#[deny(const_err)]` on by default
+
+error: index out of bounds: the len is 4 but the index is 8
+  --> $DIR/indexing_slicing.rs:19:5
+   |
+LL |     x[1 << 3]; // Ok, let rustc's `const_err` lint handle `usize` indexing on arrays.
+   |     ^^^^^^^^^
+
+error: index out of bounds: the len is 4 but the index is 15
+  --> $DIR/indexing_slicing.rs:54:5
+   |
+LL |     x[N]; // Ok, let rustc's `const_err` lint handle `usize` indexing on arrays.
+   |     ^^^^
+
 error: indexing may panic.
   --> $DIR/indexing_slicing.rs:13:5
    |
@@ -189,5 +209,5 @@ LL |     v[M];
    |
    = help: Consider using `.get(n)` or `.get_mut(n)` instead
 
-error: aborting due to 24 previous errors
+error: aborting due to 27 previous errors