| ▲ | gpm 3 hours ago | |
Uh, yes, if you guarantee the semantics only when the code explicitly opts in and not by default then semantics will not subtly change, that is the point of my comment | ||
| ▲ | jmalicki 3 hours ago | parent [-] | |
It's not a change in semantics of compiled code. It is only a change of whether or not the code will compile. | ||