[go] Revert "errors: optimize errors.Join for single unwrappable errors"

[Gopher Robot (Gerrit)]

Gopher Robot submitted the change

Unreviewed changes

1 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.

Change information

Commit message:

Revert "errors: optimize errors.Join for single unwrappable errors"

This reverts CL 635115.

Reason for revert: The new behavior does not match the function documentation.

Fixes #76961

Change-Id: If2450aa4efba28c7a12887a5b306c231a836e740

Reviewed-on: https://go-review.googlesource.com/c/go/+/731981

Reviewed-by: Dmitri Shuralyov <dmit...@golang.org>

Reviewed-by: Dmitri Shuralyov <dmit...@google.com>

Auto-Submit: Damien Neil <dn...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files:

• M src/errors/join.go
• M src/errors/join_test.go

Change size: S

Delta: 2 files changed, 0 insertions(+), 44 deletions(-)

Branch: refs/heads/master

Submit Requirements:

• Code-Review: +1 by Dmitri Shuralyov, +2 by Dmitri Shuralyov
• TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: go

Gerrit-Branch: master

Gerrit-Change-Id: If2450aa4efba28c7a12887a5b306c231a836e740

Gerrit-Change-Number: 731981

Gerrit-PatchSet: 4

Gerrit-Owner: Damien Neil <dn...@google.com>

Gerrit-Reviewer: Damien Neil <dn...@google.com>

Gerrit-Reviewer: Dmitri Shuralyov <dmit...@golang.org>

Gerrit-Reviewer: Dmitri Shuralyov <dmit...@google.com>

Gerrit-Reviewer: Gerrit Bot <letsus...@gmail.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Gerrit-Reviewer: Gopher Robot <go...@golang.org>

Gerrit-CC: Damien MATHIEU <eco...@proton.me>

Gerrit-CC: Ian Lance Taylor <ia...@golang.org>

Gerrit-CC: Michael Pratt <mpr...@google.com>

Gerrit-CC: Sean Liao <se...@liao.dev>