From 14bd0bf00811bd1a151c6559a14b53cd0c039b68 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Wed, 28 Dec 2016 05:35:32 +0000
Subject: Fix __wrap_iter in debug mode and apply _NOEXCEPT_DEBUG to it

llvm-svn: 290654
---
 libcxx/include/algorithm | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'libcxx/include/algorithm')

diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
index c4bf5991b63..189991efbee 100644
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -1681,6 +1681,20 @@ __unwrap_iter(__wrap_iter<_Tp*> __i)
     return __i.base();
 }
 
+#else
+
+template <class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_trivially_copy_assignable<_Tp>::value,
+    __wrap_iter<_Tp*>
+>::type
+__unwrap_iter(__wrap_iter<_Tp*> __i)
+{
+    return __i;
+}
+
 #endif  // _LIBCPP_DEBUG_LEVEL < 2
 
 template <class _InputIterator, class _OutputIterator>
-- 
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