all OS functions should be "nothrow @trusted @nogc"

[Steven Schveighoffer via Digitalmars-d]

On 7/27/17 2:48 AM, Jacob Carlborg wrote:
> And then the compiler runs the "Dead Code Elimination" pass and we're 
> left with:
> 
> void contains_null_check(int* p)
> {
>      *p = 4;
> }

So the result is that it will segfault. I don't see a problem with this. 
It's what I would have expected.

-Steve