Index: libcxx/include/string
===================================================================
--- libcxx/include/string
+++ libcxx/include/string
@@ -1834,6 +1834,7 @@
 #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 
 template <class _CharT, class _Traits, class _Allocator>
+inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY
 basic_string<_CharT, _Traits, _Allocator>::~basic_string()
 {
 #if _LIBCPP_DEBUG_LEVEL >= 2