Signed integer overflow undefined behavior or not?
Walter Bright via Digitalmars-d
digitalmars-d at puremagic.com
Thu Nov 12 22:00:14 PST 2015
On 11/12/2015 4:43 PM, Ali Çehreli wrote:
> So the question is, do we support twos complement only, hence signed overflow is
> defined as wrap,
Yes. I see no reason to support 1's complement.
It's worth checking how LDC and GDC deal with this deep in their optimizer - is
it considering it undefined behavior?
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