1 files changed, 5 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-21596.rs b/src/test/ui/issues/issue-21596.rs
new file mode 100644
index 000000000..79f6c91d9
--- /dev/null
+++ b/src/test/ui/issues/issue-21596.rs
@@ -0,0 +1,5 @@
+fn main() {
+    let x = 8u8;
+    let z: *const u8 = &x;
+    println!("{}", z.to_string());  //~ ERROR E0599
+}