diff --git a/clippy_lints/src/attrs.rs b/clippy_lints/src/attrs.rs
index ef01364b7..c29432bf9 100644
--- a/clippy_lints/src/attrs.rs
+++ b/clippy_lints/src/attrs.rs
@@ -421,7 +421,11 @@ fn check_clippy_lint_names(cx: &LateContext<'_>, ident: &str, items: &[NestedMet
                             .iter()
                             .map(|l| Symbol::intern(&l.name_lower()))
                             .collect::<Vec<_>>();
-                        let sugg = find_best_match_for_name(symbols.iter(), &format!("clippy::{}", name_lower), None);
+                        let sugg = find_best_match_for_name(
+                            symbols.iter(),
+                            Symbol::intern(&format!("clippy::{}", name_lower)),
+                            None,
+                        );
                         if lint_name.chars().any(char::is_uppercase)
                             && lint_store.find_lints(&format!("clippy::{}", name_lower)).is_ok()
                         {
diff --git a/clippy_lints/src/consts.rs b/clippy_lints/src/consts.rs
index 2f963dfcf..5917968c9 100644
--- a/clippy_lints/src/consts.rs
+++ b/clippy_lints/src/consts.rs
@@ -332,7 +332,13 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> {
                 let result = self
                     .lcx
                     .tcx
-                    .const_eval_resolve(self.param_env, def_id, substs, None, None)
+                    .const_eval_resolve(
+                        self.param_env,
+                        ty::WithOptConstParam::unknown(def_id),
+                        substs,
+                        None,
+                        None,
+                    )
                     .ok()
                     .map(|val| rustc_middle::ty::Const::from_value(self.lcx.tcx, val, ty))?;
                 let result = miri_to_const(&result);