From 2153d69672a90ba56e169319e9dbf27dc5bac466 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Mon, 14 Jan 2013 20:01:24 +0000
Subject: Fix a race in the construction of future.  This fixes
 http://llvm.org/bugs/show_bug.cgi?id=14934.

llvm-svn: 172456
---
 libcxx/src/future.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libcxx/src')

diff --git a/libcxx/src/future.cpp b/libcxx/src/future.cpp
index feb37e42db4..7d9a5b5da69 100644
--- a/libcxx/src/future.cpp
+++ b/libcxx/src/future.cpp
@@ -78,8 +78,8 @@ __assoc_sub_state::set_value()
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
 #endif
     __state_ |= __constructed | ready;
-    __lk.unlock();
     __cv_.notify_all();
+    __lk.unlock();
 }
 
 void
-- 
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