[svn r111] Fixed most problems with complex number support and added typeinfo for them. Added typeinfo ti_C. Did some changes to the way expressions that have both lvalue and rvalue LLVM values are handled.

module fail2;

void a()
{
    b();
}

void b()
{
    c();
}

void c()
{
    d();
}

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

void main()
{
    a();
}