267     V &vref = (v1 = v2);  in test_copy_assignment_empty_empty()  local
268     assert(&vref == &v1);  in test_copy_assignment_empty_empty()
283     V &vref = (v1 = v2);  in test_copy_assignment_non_empty_empty()  local
284     assert(&vref == &v1);  in test_copy_assignment_non_empty_empty()
293     V &vref = (v1 = v2);  in test_copy_assignment_non_empty_empty()  local
294     assert(&vref == &v1);  in test_copy_assignment_non_empty_empty()
309     V &vref = (v1 = v2);  in test_copy_assignment_empty_non_empty()  local
310     assert(&vref == &v1);  in test_copy_assignment_empty_non_empty()
319     V &vref = (v1 = v2);  in test_copy_assignment_empty_non_empty()  local
320     assert(&vref == &v1);  in test_copy_assignment_empty_non_empty()
334     V &vref = (v1 = v2);  in test_copy_assignment_same_index()  local
335     assert(&vref == &v1);  in test_copy_assignment_same_index()
343     V &vref = (v1 = v2);  in test_copy_assignment_same_index()  local
344     assert(&vref == &v1);  in test_copy_assignment_same_index()
353     V &vref = (v1 = v2);  in test_copy_assignment_same_index()  local
354     assert(&vref == &v1);  in test_copy_assignment_same_index()
444     V &vref = (v1 = v2);  in test_copy_assignment_different_index()  local
445     assert(&vref == &v1);  in test_copy_assignment_different_index()
457     V &vref = (v1 = v2);  in test_copy_assignment_different_index()  local
458     assert(&vref == &v1);  in test_copy_assignment_different_index()
506     V &vref = (v1 = v2);  in test_copy_assignment_different_index()  local
507     assert(&vref == &v1);  in test_copy_assignment_different_index()
517     V &vref = (v1 = v2);  in test_copy_assignment_different_index()  local
518     assert(&vref == &v1);  in test_copy_assignment_different_index()