1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/raw-ptr-const-param-deref.rs b/src/test/ui/const-generics/raw-ptr-const-param-deref.rs
new file mode 100644
index 000000000..65595f07d
--- /dev/null
+++ b/src/test/ui/const-generics/raw-ptr-const-param-deref.rs
@@ -0,0 +1,21 @@
+// Checks that pointers must not be used as the type of const params.
+// revisions: full min
+
+#![cfg_attr(full, feature(adt_const_params))]
+#![cfg_attr(full, allow(incomplete_features))]
+
+const A: u32 = 3;
+
+struct Const<const P: *const u32>; //~ ERROR: using raw pointers as const generic parameters
+
+impl<const P: *const u32> Const<P> { //~ ERROR: using raw pointers as const generic parameters
+    fn get() -> u32 {
+        unsafe {
+            *P
+        }
+    }
+}
+
+fn main() {
+    assert_eq!(Const::<{&A as *const _}>::get(), 3)
+}