Rustup

clippy_lints/src/arithmetic.rs

@@ -128,7 +128,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Arithmetic {
                 }
                 self.const_span = Some(body_span);
             },
-            hir::BodyOwnerKind::Fn => (),
+            hir::BodyOwnerKind::Fn | hir::BodyOwnerKind::Closure => (),
         }
     }
 

clippy_lints/src/utils/mod.rs

@@ -64,9 +64,25 @@ pub fn differing_macro_contexts(lhs: Span, rhs: Span) -> bool {
 /// ```
 pub fn in_constant(cx: &LateContext<'_, '_>, id: NodeId) -> bool {
     let parent_id = cx.tcx.hir().get_parent(id);
-    match cx.tcx.hir().body_owner_kind(parent_id) {
-        hir::BodyOwnerKind::Fn => false,
-        hir::BodyOwnerKind::Const | hir::BodyOwnerKind::Static(..) => true,
+    match cx.tcx.hir().get(parent_id) {
+        Node::Item(&Item {
+            node: ItemKind::Const(..),
+            ..
+        })
+        | Node::TraitItem(&TraitItem {
+            node: TraitItemKind::Const(..),
+            ..
+        })
+        | Node::ImplItem(&ImplItem {
+            node: ImplItemKind::Const(..),
+            ..
+        })
+        | Node::AnonConst(_)
+        | Node::Item(&Item {
+            node: ItemKind::Static(..),
+            ..
+        }) => true,
+        _ => false,
     }
 }