From f096c8d17412b6303dc80cfff3dee5c2dffd16e5 Mon Sep 17 00:00:00 2001
From: Christian Poveda <z1mvader@protonmail.com>
Date: Mon, 8 May 2017 14:56:33 -0500
Subject: [PATCH] inferring expected types of closure arguments when coercing
 to a fn

---
 src/librustc_typeck/check/closure.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc_typeck/check/closure.rs b/src/librustc_typeck/check/closure.rs
index 45b0a571bd08..fb3be8493199 100644
--- a/src/librustc_typeck/check/closure.rs
+++ b/src/librustc_typeck/check/closure.rs
@@ -126,6 +126,7 @@ fn deduce_expectations_from_expected_type
                 (sig, kind)
             }
             ty::TyInfer(ty::TyVar(vid)) => self.deduce_expectations_from_obligations(vid),
+            ty::TyFnPtr(sig) => (Some(sig.skip_binder().clone()), Some(ty::ClosureKind::Fn)),
             _ => (None, None),
         }
     }