[svn r349] Fixed problems with static arrays of void as well as a static arrays with zero length. Fixed issues with DMD generated assert statements when using class invariants, generally due to incomplete ASTs. Removed some dead code. Added a few comments.

module fail2;

void a()
{
    b();
}

void b()
{
    c();
}

void c()
{
    d();
}

void d()
{
    int* ip;
    int i = *ip;
}

void main()
{
    a();
}