Outdated lib/time/zoneinfo.zip

[rodrigobahiense]

What version of Go are you using (go version)?

go version go1.10.3 windows/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

windows_amd64

What did you do?

Got this randomly on automated tests.

The zone "Antarctica/Casey" is configured with utc offset +1100 when it should be +0800.

https://play.golang.org/p/a-EDljzwckd

What did you expect to see?

Zoneinfo for "Antarctica/Casey" with utc offset +0800.

What did you see instead?

Zoneinfo for "Antarctica/Casey" with utc offset +1100.

Fix

Running lib/time/update.bash with CODE and DATA set to 2018e fixed the issue, but I'm unsure if a PR with this would be accepted. If there is no problem I'd be glad to submit it.

[ianlancetaylor]

Closing in favor of #22487. Please comment if you think that is wrong.