From d561d4c9eb808cbca28fd641934825fdf96fb762 Mon Sep 17 00:00:00 2001
From: achernyak <artemchernyak@gmail.com>
Date: Fri, 5 May 2017 14:40:26 -0500
Subject: [PATCH] propper trait of item impl

---
 src/librustc/ty/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc/ty/mod.rs b/src/librustc/ty/mod.rs
index 1c3e74d4fb9..9f43ed9bf5b 100644
--- a/src/librustc/ty/mod.rs
+++ b/src/librustc/ty/mod.rs
@@ -2682,7 +2682,7 @@ fn def_span<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> Span {
 /// Otherwise, return `None`.
 fn trait_of_item<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> Option<DefId> {
     if def_id.krate != LOCAL_CRATE {
-        return None
+        return tcx.trait_of_item(def_id)
     }
     tcx.opt_associated_item(def_id)
         .and_then(|associated_item| {
-- 
2.44.0