Integer overflow and underflow semantics?

[Artur Skawina via Digitalmars-d]

On Thursday, 17 July 2014 at 08:50:12 UTC, John Colvin wrote:
> there may be ways of telling backends that it is defined and we may be using those ways, I don't know.

For GDC, it's the '-fwrapv' switch, but it's not enabled by default for D.

artur