Undefined behaviors & Clang 3.3
deadalnix
deadalnix at gmail.com
Fri Jun 21 11:24:33 PDT 2013
On Friday, 21 June 2013 at 15:51:55 UTC, qznc wrote:
> The D definition mirrors what modern PC architectures do and
> hence can be compiled efficiently there. C avoids coupling with
> any architecture hence "undefined".
>
> What architectures do not wrap around?
Some used to have +0 and -0 and so wrapping around do not work.
But this didn't survived (or maybe in some exotic not heavily
used chips).
Similarly, some arch used to use different values than 0 for
null. I don't know any modern one that does it.
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