swap doesn't work in CTFE?

[Daniel Murphy]

"Johann MacDonagh" <johann.macdonagh..no at spam..gmail.com> wrote in message 
news:iusp80$vnr$1 at digitalmars.com...
> Although CTFE supports ref parameters, swap doesn't appear to work. This 
> casues dmd to segfault in 2.053 and the current dmd master.
>
> import std.algorithm;
> import std.stdio;
>
> string ctfeRef(ref string a, ref string b)
> {
> return a;
> }
>
> string ctfeSort()
> {
>     auto x = [ "a", "c", "b" ];
>     swap(x[1], x[0]);           // This is the problem here
>     return ctfeRef(x[1], x[0]);
> }
>
> void main()
> {
>     enum xx = ctfeSort();
>     writeln(xx);
> }
>
> This means things like sort won't work in CTFE. Does anyone know if this 
> is a known bug? My searching didn't bring anything up.

Same thing happens with pointers.  Reduced:

void swap(int[]* lhs, int[]* rhs)
{
    *lhs = *rhs;
    *rhs = *lhs;
}

int ctfeSort()
{
     int[][2] x;
     swap(&x[0], &x[1]);
     return 0;
}

void main()
{
    enum x = ctfeSort();
}