test_name        gc-tracking-in-expanded-argument-copy
test_description An argument of an expanded type should be subject to GC tracking for its reference fields when it is passed to `copy`.

copy_sub	Ace	$TEST Ace
copy_raw	test.e	$CLUSTER test.e
copy_raw	value.e	$CLUSTER value.e

compile_melted
compile_result	ok
execute_work	NONE	exec_output_m
execute_result	ok
compare		exec_output_m output

compile_frozen
compile_result	ok
c_compile_work
c_compile_result	ok
execute_work	NONE	exec_output_w
execute_result	ok
compare		exec_output_w output

compile_final
compile_result	ok
c_compile_final
c_compile_result	ok
execute_final	NONE	exec_output_f
execute_result	ok
compare		exec_output_f output

test_end