2 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/issue-52023-array-size-pointer-cast.rs b/src/test/ui/issue-52023-array-size-pointer-cast.rs
new file mode 100644
index 00000000000..f3bee1a6315
--- /dev/null
+++ b/src/test/ui/issue-52023-array-size-pointer-cast.rs
@@ -0,0 +1,13 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    let _ = [0; (&0 as *const i32) as usize]; //~ ERROR raw pointers cannot be cast
+}
diff --git a/src/test/ui/issue-52023-array-size-pointer-cast.stderr b/src/test/ui/issue-52023-array-size-pointer-cast.stderr
new file mode 100644
index 00000000000..888de82e379
--- /dev/null
+++ b/src/test/ui/issue-52023-array-size-pointer-cast.stderr
@@ -0,0 +1,9 @@
+error[E0018]: raw pointers cannot be cast to integers in constants
+  --> $DIR/issue-52023-array-size-pointer-cast.rs:12:17
+   |
+LL |     let _ = [0; (&0 as *const i32) as usize]; //~ ERROR raw pointers cannot be cast
+   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0018`.