Added IrTypeFunction and IrTypeDelegate and eliminated IrDType. This means the Type::ir field can be removed. It's the final part needed for the move to a slightly more sane type system. Now the whole thing just needs to be cleaned up :P Added -v-cg switch, which right now just prints "codegen: module.name (module/name.d)" to stdout, this can really help figuring out where, in some complex build command, things go wrong.

module typeinfo13;

void main()
{
    float[long] aa;
    auto ti = typeid(typeof(aa));
    assert(ti.toString() == "float[long]");
    assert(ti.next() is typeid(float));
    assert(ti.tsize() == size_t.sizeof);
    auto aati = cast(TypeInfo_AssociativeArray)ti;
    assert(aati.value is typeid(float));
    assert(aati.key is typeid(long));
}