cl-ast: Fix AddrOf misbehavior

compiler/cl-ast/src/ast_visitor/fold.rs

@@ -322,9 +322,8 @@ pub trait Fold {
         }
     }
     fn fold_addrof(&mut self, a: AddrOf) -> AddrOf {
-        let AddrOf { count, mutable, expr } = a;
+        let AddrOf { mutable, expr } = a;
         AddrOf {
-            count,
             mutable: self.fold_mutability(mutable),
             expr: Box::new(self.fold_expr_kind(*expr)),
         }

compiler/cl-ast/src/ast_visitor/visit.rs

@@ -279,7 +279,7 @@ pub trait Visit<'a>: Sized {
         self.visit_expr_kind(repeat);
     }
     fn visit_addrof(&mut self, a: &'a AddrOf) {
-        let AddrOf { count: _, mutable, expr } = a;
+        let AddrOf { mutable, expr } = a;
         self.visit_mutability(mutable);
         self.visit_expr_kind(expr);
     }