[libcxx] Make sure operator+ is declared with the right visibility attribute
Otherwise, Clang complains about internal_linkage not being applied to the
first declaration of the operator (and rightfully so).
llvm-svn: 347400
diff --git a/libcxx/include/string b/libcxx/include/string
index 6f17c3a..0c9f1cf 100644
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -580,6 +580,7 @@
operator+(_CharT __x, const basic_string<_CharT,_Traits,_Allocator>& __y);
template<class _CharT, class _Traits, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
basic_string<_CharT, _Traits, _Allocator>
operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, const _CharT* __y);