encoding/gob: Weird errors when using gob in more than one goroutine

[alberts]

What steps will reproduce the problem?
1. Run attached code with more than one client goroutine.

What do you see instead?

panic: Encode of Msg1 failed: "encoder: buffer not empty"

or sometimes:

Decode failed: "gob: unknown type id or corrupted data"

Which compiler are you using (5g, 6g, 8g, gccgo)?

6g

Which operating system are you using?

linux

Which revision are you using?  (hg identify)

4798dc1f040a+ tip

Please provide any additional information below.

In the code that originally caused this crash, we also see stuff like:

gob: internal error: field numbers out of bounds

Attachments:

1. gobbork.go (1315 bytes)

[robpike]

Comment 1:

This issue was closed by revision 7f7cb16.

Status changed to Fixed.