From 5dbaefb608ac71afedadd9810e0bba6348e27c6a Mon Sep 17 00:00:00 2001
From: Andrew Cann <shum@canndrew.org>
Date: Fri, 13 Jan 2017 00:50:15 +0800
Subject: [PATCH] Hash TyTuple's defaulted flag

---
 src/librustc/ty/util.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/librustc/ty/util.rs b/src/librustc/ty/util.rs
index f667100465da..b01b77bbcf8a 100644
--- a/src/librustc/ty/util.rs
+++ b/src/librustc/ty/util.rs
@@ -466,8 +466,9 @@ impl<'a, 'gcx, 'tcx, W> TypeVisitor<'tcx> for TypeIdHasher<'a, 'gcx, 'tcx, W>
                     self.def_id(d);
                 }
             }
-            TyTuple(tys, _) => {
+            TyTuple(tys, defaulted) => {
                 self.hash(tys.len());
+                self.hash(defaulted);
             }
             TyParam(p) => {
                 self.hash(p.idx);