test_name instance_free-invalid-explicit-joining test_description Joining with a class feature is unsafe if unqualified calls in assertions use non-class features. See also: test#free010, test#free014, test#free019, test#free023. copy_sub Ace $TEST Ace copy_raw a.e $CLUSTER a.e copy_raw b.e $CLUSTER b.e copy_raw c.e $CLUSTER c.e copy_raw test.e $CLUSTER test.e compile_melted compile_result validity_error C VUCR:12 VUCR:18 test_end