From f8fab65861a1f62f2c806beb957967ffa1b4e5f9 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Thu, 20 Dec 2018 00:52:55 +0900
Subject: [PATCH] Fix build in nightly

cc https://github.com/rust-lang/rust/pull/56481.
---
 src/semcheck/mismatch.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/semcheck/mismatch.rs b/src/semcheck/mismatch.rs
index d3f0481fe081e..335d2f19827f1 100644
--- a/src/semcheck/mismatch.rs
+++ b/src/semcheck/mismatch.rs
@@ -8,7 +8,7 @@ use rustc::{
     hir::def_id::DefId,
     ty::{
         self,
-        relate::{Relate, RelateResult, TypeRelation},
+        relate::{Relate, RelateResult, TraitObjectMode, TypeRelation},
         subst::Substs,
         Ty, TyCtxt,
         Visibility::Public,
@@ -94,6 +94,10 @@ impl<'a, 'gcx, 'tcx> TypeRelation<'a, 'gcx, 'tcx> for MismatchRelation<'a, 'gcx,
         "Mismatch"
     }
 
+    fn trait_object_mode(&self) -> TraitObjectMode {
+        TraitObjectMode::NoSquash
+    }
+
     fn a_is_expected(&self) -> bool {
         true
     }