alignment of struct

[bearophile]

Justin Whear:

> It did change a few versions ago (not sure exactly when).  Try 
> adding
> `align(1):` inside the structs before the members.

Yes it's a recent change, the align() on outside is the alignment 
of the whole struct, and the align inside is the alignment of the 
single field relative to the start of the struct or the precedent 
field.

align(1) struct Foo {
     align(1) double x;
}

Bye,
bearophile