286     V& vref = (v1 = v2);  in test_copy_assignment_empty_empty()  local
302     V& vref = (v1 = v2);  in test_copy_assignment_non_empty_empty()  local
312     V& vref = (v1 = v2);  in test_copy_assignment_non_empty_empty()  local
328     V& vref = (v1 = v2);  in test_copy_assignment_empty_non_empty()  local
338     V& vref = (v1 = v2);  in test_copy_assignment_empty_non_empty()  local
357     V& vref = (v1 = v2);  in test_copy_assignment_same_index()  local
366     V& vref = (v1 = v2);  in test_copy_assignment_same_index()  local
380     V& vref = (v1 = v2);  in test_copy_assignment_same_index()  local
453     V& vref = (v1 = v2);  in test_copy_assignment_different_index()  local
470     V& vref = (v1 = v2);  in test_copy_assignment_different_index()  local
569     V& vref = (v1 = v2);  in test_assignment_throw()  local
580     V& vref = (v1 = v2);  in test_assignment_throw()  local