1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/type-use-i1-versus-i8.rs b/src/test/ui/type-use-i1-versus-i8.rs
new file mode 100644
index 000000000..7315cd2fe
--- /dev/null
+++ b/src/test/ui/type-use-i1-versus-i8.rs
@@ -0,0 +1,12 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+use std::ptr;
+
+pub fn main() {
+    unsafe {
+        let mut x: bool = false;
+        // this line breaks it
+        ptr::write(&mut x, false);
+    }
+}