patch by Jesse Towner, and bug fix by Sebastian Redl

llvm-svn: 110724
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: eb2692571fab1cc9996c0b972aee5e1c48ae0989
diff --git a/include/iterator b/include/iterator
index f2173e9..877474b 100644
--- a/include/iterator
+++ b/include/iterator
@@ -1615,7 +1615,7 @@
 
 #endif  // _LIBCPP_DEBUG
 
-#ifdef _LIBCPP_MOVE
+#if defined(_LIBCPP_MOVE) && !defined(_LIBCPP_HAS_NO_DECLTYPE)
 
 template <class _C>
 inline