D vs. placement new (for classes) aka why D needs .sizeof and .alignof for classes (values not references)

[Frank Benoit (keinfarbton)]

> well, i don't know about the size of the class, but it does not give the
> size of the class /instance/.

I was sure i had an example that shows it doesn't.
But it seems I am wrong. Sorry about that. If i find it, I file a bug
report.

Frank