/ go Public
internal/coverage: runtime.(*wbBuf).putFast SEGV in cover-related cmd/go tests on 386 #56044
Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
What version of Go are you using (
Does this issue reproduce with the latest release?
Only on tip.
What operating system and processor architecture are you using (
This is running with GOARCH=386 on a linux/amd64 machine.
What did you do?
What did you expect to see?
What did you see instead?
Failures of this form (note: the details of interest are elided by watchflakes, click through to the log to see the real failures):
2022-09-30 23:00 linux-386-longtest go@76c1a501 cmd/go.TestScript (log)
2022-09-30 23:03 linux-386-longtest go@aeab76f0 cmd/go.TestScript (log)
These were found by watchflakes and noticed by @bcmills.
By running the test in question in a loop, I've seen a couple of failures out of about 1000 runs, so it is definitely possible to reproduce by hand with some patience.
I am not immediately clear on what's happening here, or how this might related to code coverage, but it needs to be looked at.
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