Add 3 more missing inline/visibility attributes.

These are the cases when an out-of-class definition of a method is
marked _LIBCPP_INLINE_VISIBILITY, but the in-class declaration is
not. This will start failing when (or if) we switch to
attribute((internal_linkage)).

llvm-svn: 255166
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 02b8e94943ca216ca9df313fd076c3e7a2d29448
diff --git a/include/memory b/include/memory
index bd61672..65369d2 100644
--- a/include/memory
+++ b/include/memory
@@ -3995,6 +3995,7 @@
             is_convertible<_Yp*, element_type*>::value,
             shared_ptr&
         >::type
+        _LIBCPP_INLINE_VISIBILITY
         operator=(auto_ptr<_Yp> __r);
 #endif
     template <class _Yp, class _Dp>
@@ -4008,6 +4009,7 @@
         _LIBCPP_INLINE_VISIBILITY
         operator=(unique_ptr<_Yp, _Dp>&& __r);
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+        _LIBCPP_INLINE_VISIBILITY
         operator=(unique_ptr<_Yp, _Dp> __r);
 #endif