std: fix various nilness findings

Found by running
$ go run golang.org/x/tools/go/analysis/passes/nilness/cmd/nilness@latest std

No actual bugs--other than one panic(nil)--but a
few places where error nilness was unclear.

Change-Id: Ia916ba30f46f29c1bcf928cc62280169b922463a
Reviewed-on: https://go-review.googlesource.com/c/go/+/486675
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Alan Donovan <adonovan@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Alan Donovan <adonovan@google.com>
This commit is contained in:
Alan Donovan 2023-04-19 18:48:00 -04:00 committed by Gopher Robot
parent 5c865c78c3
commit 9d35ebba06
6 changed files with 14 additions and 12 deletions

View file

@ -93,8 +93,7 @@ func (eg *InternalExample) processRunResult(stdout string, timeSpent time.Durati
if recovered != nil {
// Propagate the previously recovered result, by panicking.
panic(recovered)
}
if !finished && recovered == nil {
} else if !finished {
panic(errNilPanicOrGoexit)
}