Add _d_newarrayvT and _d_newarraymvT to create arrays without initialization. Adjust DtoNewDynArray to use DtoArrayInit for initialization of new arrays. Make Type::tvoid->defaultInit() not error.

// ifloat

module typeinfo1.ti_ifloat;

private import typeinfo1.ti_float;

class TypeInfo_o : TypeInfo_f
{
    char[] toString() { return "ifloat"; }
}