Validity of cast(void*)size_t.max

[Nordlöw]

On Monday, 5 March 2018 at 16:07:49 UTC, Steven Schveighoffer 
wrote:
> No, I mean you call holeKey at *runtime*. Inlined, it's just 
> returning a constant, so it should reduce to a constant.

A compile-time constant visible to the optimizer?