Additional revert fixes

Author: compiler-errors

compiler/rustc_ast/src/visit.rs

@@ -796,7 +796,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) {
             walk_list!(visitor, visit_expr, arguments);
         }
         ExprKind::MethodCall(ref segment, ref arguments, _span) => {
-            visitor.visit_path_segment(expression.span, segment);
+            visitor.visit_path_segment(segment);
             walk_list!(visitor, visit_expr, arguments);
         }
         ExprKind::Binary(_, ref left_expression, ref right_expression) => {

compiler/rustc_resolve/src/late/diagnostics.rs

@@ -1017,7 +1017,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
 
             let (lhs_span, rhs_span) = match &expr.kind {
                 ExprKind::Field(base, ident) => (base.span, ident.span),
-                ExprKind::MethodCall(_, receiver, _, span) => (receiver.span, *span),
+                ExprKind::MethodCall(_, args, span) => (args[0].span, *span),
                 _ => return false,
             };