Fixed PR10574: http://llvm.org/bugs/show_bug.cgi?id=10574

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@137522 91177308-0d34-0410-b5e6-96231b3b80d8

include/initializer_list

@@ -51,6 +51,8 @@ template<class E> const E* end(initializer_list<E> il) noexcept;
 namespace std  // purposefully not versioned
 {
 
+#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+
 template<class _E>
 class _LIBCPP_VISIBLE initializer_list
 {
@@ -94,6 +96,8 @@ end(initializer_list<_E> __il) _NOEXCEPT
     return __il.end();
 }
 
+#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+
 }  // std
 
 #endif  // _LIBCPP_INITIALIZER_LIST