1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/consts/const-tup-index-span.stderr b/tests/ui/consts/const-tup-index-span.stderr
new file mode 100644
index 000000000..ad8468056
--- /dev/null
+++ b/tests/ui/consts/const-tup-index-span.stderr
@@ -0,0 +1,22 @@
+error[E0308]: mismatched types
+  --> $DIR/const-tup-index-span.rs:3:23
+   |
+LL | const TUP: (usize,) = 5usize << 64;
+   |                       ^^^^^^^^^^^^ expected tuple, found `usize`
+   |
+   = note: expected tuple `(usize,)`
+               found type `usize`
+help: use a trailing comma to create a tuple with one element
+   |
+LL | const TUP: (usize,) = (5usize << 64,);
+   |                       +            ++
+
+note: erroneous constant used
+  --> $DIR/const-tup-index-span.rs:6:18
+   |
+LL | const ARR: [i32; TUP.0] = [];
+   |                  ^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.