From bb0a719434490a0805cdbbfe52ba8b47bc5ec211 Mon Sep 17 00:00:00 2001
From: Brian Koropoff <bkoropoff@gmail.com>
Date: Thu, 6 Nov 2014 19:31:56 -0800
Subject: [PATCH] Fix panic due to overly long borrow of RefCell

Closes #18711
---
 src/librustc/middle/trans/closure.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/librustc/middle/trans/closure.rs b/src/librustc/middle/trans/closure.rs
index 16db4daba46..8c73baf2b67 100644
--- a/src/librustc/middle/trans/closure.rs
+++ b/src/librustc/middle/trans/closure.rs
@@ -482,10 +482,9 @@ pub fn trans_unboxed_closure<'blk, 'tcx>(
         bcx,
         closure_id).unwrap();
 
-    let unboxed_closures = bcx.tcx().unboxed_closures.borrow();
-    let function_type = (*unboxed_closures)[closure_id]
-                                        .closure_type
-                                        .clone();
+    let function_type = (*bcx.tcx().unboxed_closures.borrow())[closure_id]
+                                                              .closure_type
+                                                              .clone();
     let function_type = ty::mk_closure(bcx.tcx(), function_type);
 
     let freevars: Vec<ty::Freevar> =
-- 
2.44.0