Pass D const pointer to opaque C library: Guarantees? Optimization-safe?

[Mike Parker]

On Saturday, 16 December 2017 at 11:19:36 UTC, Mike Parker wrote:

> I would expect SiegeLord to reject such a PR.

And now that I clicked through the link, I see I was wrong :-) In 
principle, I disagree with him because of what I mentioned above 
about immutable variables. In practice, it's probably never going 
to be an issue. The question is how much weight should be 
assigned to "probably".