test_name native_error_number_ise_io_error test_description Test the native signal number is set in IO_FAILURE raised as runtime io error. copy_sub Ace $TEST Ace copy_raw test.e $CLUSTER test.e compile_frozen compile_result ok c_compile_work c_compile_result ok execute_work NONE exec_output execute_result ok if not DOTNET compare exec_output output test_end