On Sunday, 24 September 2017 at 21:01:06 UTC, Johan Engelen wrote:
DMD <= 2.074 and DMD >= 2.075 disagree on struct alignment.
```
struct UInt {
align(1):
uint a;
}
struct Bug {
ubyte one;
UInt two;
}
static assert(Bug.two.offsetof == 4); // Error DMD>=2.075, 1 ==
4 is false
static assert(Bug.sizeof == 8); // Error DMD>=2.075, 5 == 8 is
false
align(1)
struct Align1UInt {
align(1):
uint a;
}
struct BugAlign1 {
ubyte one;
Align1UInt two;
}
static assert(BugAlign1.two.offsetof == 1);
static assert(BugAlign1.sizeof == 5); // Error DMD<=2.074, 8 ==
5 is false
```
So... what's correct? :-)
Cheers,
Johan
Don't worry, this isn't a bug! It's a feature! It will just make
your programs run faster! It won't get fixed! Don't want to break
backwards compatibility, do we?
