alt Hacker NewsIf that behavior is the entire point, then I think the bigger point is that the spec should reflect that and not call it undefined.
If that behavior is the entire point, then I think the bigger point is that the spec should reflect that and not call it undefined.
I suspect that many undefined behaviors reflect the inability of the standard committee to come to a consensus on the nuances involved. “Punt to the implementers” is a way to allow every tool vendor to select their own expected behavior in those cases.