#include <bits/concept_check.h>
#include <iterator>
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
// There are two signatures for distance. In addition to the one
// taking two iterators and returning a result, there is another
__distance(__first, __last, __n, std::__iterator_category(__first));
}
-_GLIBCXX_END_NAMESPACE
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
#endif