1 files changed, 18 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-17651.stderr b/src/test/ui/issues/issue-17651.stderr
new file mode 100644
index 000000000..efaaeeda2
--- /dev/null
+++ b/src/test/ui/issues/issue-17651.stderr
@@ -0,0 +1,18 @@
+error[E0277]: the size for values of type `[{integer}]` cannot be known at compilation time
+  --> $DIR/issue-17651.rs:5:18
+   |
+LL |     (|| Box::new(*(&[0][..])))();
+   |         -------- ^^^^^^^^^^^ doesn't have a size known at compile-time
+   |         |
+   |         required by a bound introduced by this call
+   |
+   = help: the trait `Sized` is not implemented for `[{integer}]`
+note: required by a bound in `Box::<T>::new`
+  --> $SRC_DIR/alloc/src/boxed.rs:LL:COL
+   |
+LL | impl<T> Box<T> {
+   |      ^ required by this bound in `Box::<T>::new`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.