functions.h (__foreign_iterator_aux3(const _Safe_iterator<>&, const…

functions.h (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&, const _InputIter&, __true_type)): Use empty() rather than begin() == end().

2018-09-28  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/functions.h
	(__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
	const _InputIter&, __true_type)): Use empty() rather than begin() ==
	end().

From-SVN: r264699

libstdc++-v3/ChangeLog

+2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
+
+	* include/debug/functions.h
+	(__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
+	const _InputIter&, __true_type)): Use empty() rather than begin() ==
+	end().
+
 2018-09-25  Mike Crowe  <mac@mcrowe.com>
 
 	* include/std/condition_variable (condition_variable::wait_for): Use

libstdc++-v3/include/debug/functions.h

@@ -123,7 +123,7 @@ namespace __gnu_debug
     {
       if (__other == __other_end)
 	return true;  // inserting nothing is safe even if not foreign iters
-      if (__it._M_get_sequence()->begin() == __it._M_get_sequence()->end())
+      if (__it._M_get_sequence()->empty())
 	return true;  // can't be self-inserting if self is empty
       return __foreign_iterator_aux4(__it, std::__addressof(*__other));
     }