Help with DMD internals

[Manu]

On 20 May 2018 at 13:25, Walter Bright via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On 5/20/2018 12:28 PM, Manu wrote:
>>
>> I've started digging at some surfac-ey extern(C++) issues.
>
>
> I've improved the definition of how construction works, such as when the
> .init happens, in the spec.
>
> https://dlang.org/spec/class.html#constructors
>
>> Is __xdtor **always** present?
>
> No. If it's POD, it is not. When it is added, it is added as an
> AliasDeclaration, not a FuncDeclaration. See buildDtor() in clone.d, which
> is where it is created.
>
> You can also see in that function how _ArrayDtor and __fieldDtor are built
> on demand, and the order in which they are called.

Yup, I'm onto it. Check out my PR!