test_name 	 generic-derivation-constraint
test_description When a particualr generic derivation is listed only in a formal generic constraint, it should not cause the compiler to crash because no such generic derivation is created in the system.

copy_raw	a.e $CLUSTER a.e
copy_raw	b.e $CLUSTER b.e
copy_raw	test.e $CLUSTER test.e
copy_sub	Ace $TEST Ace

compile_melted
compile_result	ok
execute_work	NONE exec_output_m
execute_result	ok
compare		exec_output_m output

test_end