in reply to Re^2: What habits do you have to avoid introducing bugs?
in thread What habits do you have to avoid introducing bugs?

-w -c doesn't catch it? Yes it does:

$ perl -w -c -e 'if($status = 0) { $status = 1 }' Found = in conditional, should be == at -e line 1. -e syntax OK

That's using 5.8.8, BTW.