Raw Pointers are Constant PatKinds too

Author: BoxyUwU

compiler/rustc_middle/src/thir.rs

@@ -838,6 +838,8 @@ pub enum PatKind<'tcx> {
     /// * integer, bool, char or float (represented as a valtree), which will be handled by
     ///   exhaustiveness to cover exactly its own value, similar to `&str`, but these values are
     ///   much simpler.
+    /// * raw pointers derived from integers, other raw pointers will have already resulted in an
+    //    error.
     /// * `String`, if `string_deref_patterns` is enabled.
     Constant {
         value: mir::Const<'tcx>,