opmask_add(opset(qw(fileno))); # add to global op_mask
print eval 'fileno STDOUT' ? "not ok $t\n" : "ok $t\n"; $t++; # fail
-print $@ =~ /fileno trapped/ ? "ok $t\n" : "not ok $t\n# $@\n"; $t++;
+print $@ =~ /'fileno' trapped/ ? "ok $t\n" : "not ok $t\n# $@\n"; $t++;
# --- check use of bit vector ops on opsets