Auto merge of rust-lang#120346 - petrochenkov:ownodes, r=oli-obk

hir: Refactor getters for owner nodes

Author: bors

clippy_lints/src/methods/iter_nth_zero.rs

@@ -11,7 +11,7 @@ use rustc_span::sym;
 use super::ITER_NTH_ZERO;
 
 pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>, arg: &hir::Expr<'_>) {
-    if let OwnerNode::Item(item) = cx.tcx.hir().owner(cx.tcx.hir().get_parent_item(expr.hir_id))
+    if let OwnerNode::Item(item) = cx.tcx.hir_owner_node(cx.tcx.hir().get_parent_item(expr.hir_id))
         && let def_id = item.owner_id.to_def_id()
         && is_trait_method(cx, expr, sym::Iterator)
         && let Some(Constant::Int(0)) = constant(cx, cx.typeck_results(), arg)

clippy_lints/src/min_ident_chars.rs

@@ -93,9 +93,7 @@ impl Visitor<'_> for IdentVisitor<'_, '_> {
             // reimplement it even if we wanted to
             cx.tcx.opt_hir_node(hir_id)
         } else {
-            let Some(owner) = cx.tcx.hir_owner_nodes(hir_id.owner).as_owner() else {
-                return;
-            };
+            let owner = cx.tcx.hir_owner_nodes(hir_id.owner);
             owner.nodes.get(hir_id.local_id).copied().flatten().map(|p| p.node)
         };
         let Some(node) = node else {

clippy_lints/src/returns.rs

@@ -183,7 +183,7 @@ impl<'tcx> LateLintPass<'tcx> for Return {
             && let ExprKind::Ret(Some(ret)) = expr.kind
             && let ExprKind::Match(.., MatchSource::TryDesugar(_)) = ret.kind
             // Ensure this is not the final stmt, otherwise removing it would cause a compile error
-            && let OwnerNode::Item(item) = cx.tcx.hir().owner(cx.tcx.hir().get_parent_item(expr.hir_id))
+            && let OwnerNode::Item(item) = cx.tcx.hir_owner_node(cx.tcx.hir().get_parent_item(expr.hir_id))
             && let ItemKind::Fn(_, _, body) = item.kind
             && let block = cx.tcx.hir().body(body).value
             && let ExprKind::Block(block, _) = block.kind