Sure, but that isn't any different than the case for eq:

$rv = \$var;           # reference to $var
$str = "".\$var;       # STRING value of $rv
                       # ($str could conceivably occur in your
                       # program "by chance")

ref $rv or die;        # ASSERT: $rv is a reference
!(ref $str) or die;    # ASSERT: $str is NOT a reference

print $rv eq $str, $/; # Prints "1": a reference equals a string.
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So I don't really appreciate your point. If you want to decide if two things are equal references, then you have to first determine that they are both references, whether you use eq or ==. I suppose that you could argue that a matching number is more likely to come up than a matching string but I 1) wouldn't buy that argument and 2) think that making your program rely on the unlikelyhood of either is poor design. (:

        - tye (but my friends call me "Tye")