D2 is really that stable as it is claimed to be?

[Maxim Fomin]

On Saturday, 21 September 2013 at 21:58:44 UTC, bearophile wrote:
> Maxim Fomin:
>
>> Thanks, that is clear. Unfortunately, I cannot say that the 
>> explanation improves my attidute to the language - dmd still 
>> breaks too often code and some significant features (like AAs, 
>> scope, shared) are at risk to be seriously changed which is a 
>> serious problem to the user.
>
> The creation of such breaking changes should have priority over 
> (= happen sooner than) most other compiler changes and bug 
> fixes.
>
> Beside AAs, scope, and shared, another smaller example of such 
> breaking changes was discussed a lot today:
>
> http://d.puremagic.com/issues/show_bug.cgi?id=11080
> http://d.puremagic.com/issues/show_bug.cgi?id=4733
>

Yes, unfortunately D problems are not limited to those mentioned.

> In Issue 11080 someone has asked to disallow code like:
>
> assert("something going wrong");
>
> But I suggest to not add that rule and instead implement the 
> small breaking change discussed in Issue 4733, that disallows 
> the use of dynamic arrays in all boolean evaluation contexts. 
> So Issue 11080 becomes a special case that needs no special 
> testing code in the compiler.
>
> Bye,
> bearophile

Well, it is an option to ban dynamic arrays in boolean conditions
because the way they are implemented right now is buggy, but I
consider fixing semantic and still keeping syntax to be a better
option comparing to a complete ban.