Auto merge of #101261 - TaKO8Ki:separate-receiver-from-arguments-in-hir, r=cjgillot

Separate the receiver from arguments in HIR

Related to #100232

cc `@cjgillot`

compiler/rustc_hir/src/intravisit.rs

@@ -1094,8 +1094,9 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>)
             visitor.visit_expr(callee_expression);
             walk_list!(visitor, visit_expr, arguments);
         }
-        ExprKind::MethodCall(ref segment, arguments, _) => {
+        ExprKind::MethodCall(ref segment, receiver, arguments, _) => {
             visitor.visit_path_segment(expression.span, segment);
+            visitor.visit_expr(receiver);
             walk_list!(visitor, visit_expr, arguments);
         }
         ExprKind::Binary(_, ref left_expression, ref right_expression) => {