Only add into view_item_stack if the item will be inlined

Author: GuillaumeGomez

src/librustdoc/visit_ast.rs

@@ -265,10 +265,6 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
             return false;
         }
 
-        if !self.view_item_stack.insert(res_did) {
-            return false;
-        }
-
         if !please_inline &&
             let mut visitor = OneLevelVisitor::new(self.cx.tcx.hir(), res_did) &&
             let Some(item) = visitor.find_target(self.cx.tcx, def_id.to_def_id(), path) &&
@@ -285,6 +281,10 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
             return false;
         }
 
+        if !self.view_item_stack.insert(res_did) {
+            return false;
+        }
+
         let ret = match tcx.hir().get_by_def_id(res_did) {
             Node::Item(&hir::Item { kind: hir::ItemKind::Mod(ref m), .. }) if glob => {
                 let prev = mem::replace(&mut self.inlining, true);