Chris Jefferson found a missing const (Bugzilla 9632)
llvm-svn: 128885
diff --git a/libcxx/include/ostream b/libcxx/include/ostream
index 2627da2..6730cab 100644
--- a/libcxx/include/ostream
+++ b/libcxx/include/ostream
@@ -1276,7 +1276,7 @@
template <class _CharT, class _Traits, size_t _Size>
basic_ostream<_CharT, _Traits>&
-operator<<(basic_ostream<_CharT, _Traits>& __os, bitset<_Size>& __x)
+operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x)
{
return __os << __x.template to_string<_CharT, _Traits>
(use_facet<ctype<_CharT> >(__os.getloc()).widen('0'),