190     const sub_range_t crng(c);  in const_propagation_mutable_collection()  local
195     check_is_const_iterator<sub_range_t>(crng.begin());  in const_propagation_mutable_collection()
196     check_is_const_iterator<sub_range_t>(crng.end());  in const_propagation_mutable_collection()
201     check_constant_type(crng[0]);  in const_propagation_mutable_collection()
202     check_constant_type(crng.front());  in const_propagation_mutable_collection()
203     check_constant_type(crng.back());  in const_propagation_mutable_collection()
215     const sub_range_t crng(c);  in const_propagation_const_collection()  local
220     check_is_const_iterator<sub_range_t>(crng.begin());  in const_propagation_const_collection()
221     check_is_const_iterator<sub_range_t>(crng.end());  in const_propagation_const_collection()
226     check_constant_type(crng[0]);  in const_propagation_const_collection()
227     check_constant_type(crng.front());  in const_propagation_const_collection()
228     check_constant_type(crng.back());  in const_propagation_const_collection()