Use __restrict for __relocate_object_a

2019-04-27  Marc Glisse  <marc.glisse@inria.fr>

	PR libstdc++/87106
	* include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
	arguments with __restrict.

From-SVN: r270624

libstdc++-v3/ChangeLog

+2019-04-27  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR libstdc++/87106
+	* include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
+	arguments with __restrict.
+
 2019-04-26  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

libstdc++-v3/include/bits/stl_uninitialized.h

@@ -884,7 +884,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #if __cplusplus >= 201103L
   template<typename _Tp, typename _Up, typename _Allocator>
     inline void
-    __relocate_object_a(_Tp* __dest, _Up* __orig, _Allocator& __alloc)
+    __relocate_object_a(_Tp* __restrict __dest, _Up* __restrict __orig,
+			_Allocator& __alloc)
     noexcept(noexcept(std::allocator_traits<_Allocator>::construct(__alloc,
 			 __dest, std::move(*__orig)))
 	     && noexcept(std::allocator_traits<_Allocator>::destroy(