test_name same-generic-derivation-as-crash test_description Changing a root class from expanded to non-expanded and recompiling crashes the compiler with violation of precondition `other_derived' of {GEN_TYPE_A}.same_generic_derivation_as define EXPANDED "expanded" copy_sub Ace $TEST Ace copy_sub test.e $CLUSTER test.e copy_raw test2.e $CLUSTER test2.e compile_frozen compile_result ok c_compile_work c_compile_result ok execute_work NONE exec_output1 execute_result ok compare exec_output1 output define EXPANDED "" copy_sub test.e $CLUSTER test.e compile_frozen compile_result ok c_compile_work c_compile_result ok execute_work NONE exec_output2 execute_result ok compare exec_output2 output test_end