[Issue 4733] Possible bugs caused by dynamic arrays in boolean evaluation context

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=4733


Martin Nowak <code at dawg.eu> changed:

           What    |Removed                     |Added
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                 CC|                            |code at dawg.eu


--- Comment #18 from Martin Nowak <code at dawg.eu> 2013-11-30 08:50:56 PST ---
(In reply to comment #10)
> (In reply to comment #8)
> > Or simply: use arr.length != 0
> 
> That is not the same as `if (arr)`, and I don't want this to make people
> accidentally break their code.

The difference between !!arr.ptr and !!arr.length is always a bug,
because accessing an array with non-null ptr but zero length is a range error.

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