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Commit Graph

4490 Commits

Author SHA1 Message Date
Mauri de Souza Meneguzzo
7cac742f17 doc/go1.22: document reflect.TypeFor
Change-Id: I122a3422f541f66d9f6e644a9f287f0e5a5729d2
GitHub-Last-Rev: 1d9fe39d0c
GitHub-Pull-Request: golang/go#64688
Reviewed-on: https://go-review.googlesource.com/c/go/+/549295
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-13 00:46:41 +00:00
Damien Neil
89c532e8b2 doc/go1.22: document minor net/http changes
For #51971
For #61679

Change-Id: Ie7b44201a9c40f5563c6d6051d22ae807ad0480d
Reviewed-on: https://go-review.googlesource.com/c/go/+/549198
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
2023-12-12 22:14:14 +00:00
Damien Neil
dce7f335c5 doc/go1.22: document zero-copy to net.UnixConn
For #58808

Change-Id: Id73b9e4b5fb96426a01b76ce7a1053a6ad61a58e
Reviewed-on: https://go-review.googlesource.com/c/go/+/549197
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Damien Neil <dneil@google.com>
2023-12-12 22:10:52 +00:00
qmuntal
962dade46b doc: document SetUnhandledExceptionFilter interop
For #50951.
For #61422.

Change-Id: Ib9038a00de8f4d8606443e9acd414402023cde63
Reviewed-on: https://go-review.googlesource.com/c/go/+/548319
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2023-12-12 20:05:45 +00:00
Damien Neil
4daf924f63 doc/go1.22: remove reference to #60107
This was implemented in Go 1.21.

Change-Id: Ic434670938589f10f367b1f893c4427e6f0b991c
Reviewed-on: https://go-review.googlesource.com/c/go/+/549196
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
2023-12-12 19:57:03 +00:00
Bryan C. Mills
699807f323 doc/go1.22: remove empty cgo section
The only issue in this section, #56378, does not need a release note
for Go 1.22 because its feature was disabled for this release.

For #61422.
Updates #56378.

Change-Id: Ia4e090994cd9ac04e855f8b3a2c6ca0cde4485d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/548876
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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2023-12-12 18:40:59 +00:00
Alan Donovan
ce43fb806f doc/go1.22: document ast.Unparen
Updates #60061

Change-Id: Ifa51f0bac0346ebc352c7524204aa94336a2b5ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/548882
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
2023-12-12 17:12:55 +00:00
Robert Griesemer
7baaa20e38 doc: emphasize gotypesalias GODEBUG flag in go 1.22 release notes
Per discussion with rfindley.

Change-Id: Ia1cff05aff724eb8c919ffcc1fac121ca017efe9
Reviewed-on: https://go-review.googlesource.com/c/go/+/549056
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
2023-12-12 16:45:47 +00:00
Michael Pratt
018c1da0cf doc/go1.22: document io changes
Change-Id: I1dd4030782ad20512836927d42bc8fe3d93437d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/548880
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-12 16:30:08 +00:00
Michael Pratt
1541af5ce8 doc/go1.22: document bufio changes
For #61422.

Change-Id: I1b20c536a5b1c105286c84e7c1c7e37eb89bbc93
Reviewed-on: https://go-review.googlesource.com/c/go/+/548879
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-12 16:29:33 +00:00
Michael Pratt
3f442ab062 doc/go1.22: document archive/tar and archive/zip changes
For #61422.

Change-Id: Icf56cba0ac40b46caf3072bf2951b07403f47f36
Reviewed-on: https://go-review.googlesource.com/c/go/+/548939
Auto-Submit: Michael Pratt <mpratt@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-12 16:29:03 +00:00
Roland Shoemaker
b18b058816 crypto/x509: gate Policies marshaling with GODEBUG
Use a GODEBUG to choose which certificate policy field to use. If
x509usepolicies=1 is set, use the Policies field, otherwise use the
PolicyIdentifiers field.

Fixes #64248

Change-Id: I3f0b56102e0bac4ebe800497717c61c58ef3f092
Reviewed-on: https://go-review.googlesource.com/c/go/+/546916
Reviewed-by: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-11 23:29:45 +00:00
qmuntal
e872807e2b doc: document SEH changes
For #57302.
For #61422.

Change-Id: Iee4e6600bf473eb982d0cb7330f7b2c1b48b9e13
Reviewed-on: https://go-review.googlesource.com/c/go/+/548575
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2023-12-11 21:47:33 +00:00
Michael Pratt
c22781cb33 doc/go1.22: remove compiler TODO
For #61422.

Change-Id: Id4eed9affde20857d6b60c0b6d7d1443ea5e460b
Reviewed-on: https://go-review.googlesource.com/c/go/+/548938
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
2023-12-11 21:37:48 +00:00
Michael Pratt
d0ed476f3e doc/go1.22: add TODOs for missing APIs
Add TODOs for APIs mentioned in api/go1.22.txt but missing from the
release notes.

The issue list was generated with:

    $ awk '{print substr($NF, 2, length($NF)-1)}' < ../api/go1.22.txt | uniq | xargs -I{} sh -c 'echo -n "{}: " && grep -c {} ../doc/go1.22.html'

For #61422.

Change-Id: I85d41c28530e6b5e3e388a41206b251278c91dd5
Reviewed-on: https://go-review.googlesource.com/c/go/+/548937
Auto-Submit: Michael Pratt <mpratt@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-11 21:08:49 +00:00
Michael Pratt
78dcb5327a doc/go1.22: document syscall changes
For #61422.

Change-Id: I976b8cc14893b91e5140c7b53d0773bca57cb19d
Reviewed-on: https://go-review.googlesource.com/c/go/+/548936
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-11 20:30:39 +00:00
Bryan C. Mills
100651b6f2 doc/go1.22: document workspace vendoring
For #61422.
Updates #60056.

Change-Id: Ie7c7e12acc173f1ff1644555016e51a52509bd6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/548815
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-11 19:59:27 +00:00
Michael Pratt
c844970ffb doc/go1.22: fix stale id for math/rand/v2
For #61422.

Change-Id: If87f30229e5e5351e81d42c777259335af3533e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/548878
Auto-Submit: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2023-12-11 19:32:56 +00:00
Michael Anthony Knyszek
9db508d46f doc: fix formatting of runtime and runtime/trace release notes
For #61422.

Change-Id: I621627140d2d5ebede9b932a7e55fbe92ded5249
Reviewed-on: https://go-review.googlesource.com/c/go/+/548935
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Michael Pratt <mpratt@google.com>
2023-12-11 19:03:36 +00:00
Bryan C. Mills
59275e266a doc: document os/exec changes on Windows
For #61422.
Updates #62596.
Updates #61493.

Change-Id: I5c910f9961da24d90b3618ee53540118db06ff91
Reviewed-on: https://go-review.googlesource.com/c/go/+/548481
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-11 16:13:01 +00:00
qmuntal
46ea4ab5cb doc: document that os.Stat follows all link reparse points on Windows
For #61422.

Change-Id: I2bb59a1ae38c40368343414a6077bb09c1675a6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/548315
Reviewed-by: Bryan Mills <bcmills@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
2023-12-09 21:48:06 +00:00
qmuntal
ca804118b1 doc: document that the Windows hosts file is now respected
For #57757.
For #61422.

Change-Id: Icbe9a86b43eb0816dc5899a1c14b50ee22db1c5d
Reviewed-on: https://go-review.googlesource.com/c/go/+/548095
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2023-12-09 21:47:36 +00:00
David Chase
fe1b2f95e6 doc: describe for loop changes (lifetime, range int; range func experiment)
See also https://go.dev/wiki/RangefuncExperiment, written as a companion
to this change.

For #61422.

Change-Id: I129bf38dd2fa4aef47454138b4ca5ed18653aecf
Reviewed-on: https://go-review.googlesource.com/c/go/+/546095
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: David Chase <drchase@google.com>
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2023-12-08 23:05:48 +00:00
Cherry Mui
f360ffd95a doc/go1.22: document that reflect.PtrTo is deprecated
Updates #59599.
For #61422.

Change-Id: I923be38b719a78dd983372acad93f710a53b0922
Reviewed-on: https://go-review.googlesource.com/c/go/+/548036
Reviewed-by: Keith Randall <khr@google.com>
TryBot-Bypass: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
2023-12-08 21:00:53 +00:00
Cherry Mui
b55bf2d786 doc/go1.22: remove stale TODO and comments for vet changes
They are already mentioned in the Vet section.

For #61422.

Change-Id: I773881df8c6a97263fc3d516e1d38b95679f2693
Reviewed-on: https://go-review.googlesource.com/c/go/+/548480
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Bypass: Cherry Mui <cherryyz@google.com>
2023-12-08 20:36:40 +00:00
Cherry Mui
9869a0ce7e doc/go1.22: fix go test -cover formatting
For #61422.

Change-Id: I3591673b55fef35bc429d2e1ce4bc72c0129c03c
Reviewed-on: https://go-review.googlesource.com/c/go/+/548479
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-08 20:35:29 +00:00
Cherry Mui
aa4a95011c doc/go1.22: document additional constants in debug/elf package
Updates #61974, #63725.
For #61422.

Change-Id: Ifd6c62e877dbd13f0e86fef801fe70d39fb3a66b
Reviewed-on: https://go-review.googlesource.com/c/go/+/548478
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-08 20:35:17 +00:00
Cherry Mui
4601857c1c doc/go1.22: document openbsd/ppc64 port
Updates #56001.
For #61422.

Change-Id: Ie4afbc42191b155d28945bd8f104ad7a63d30db9
Reviewed-on: https://go-review.googlesource.com/c/go/+/547999
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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2023-12-07 16:54:19 +00:00
Joe Tsai
2b4425759c doc: add release notes for changes to encoding/json package
The escaping of certain control characters has been changed.
The change is compliant with the JSON specification.
The JSON package never promised exactly how JSON formatted
and has historically changed its representation over time.

Change-Id: I8b23f503cfff86c460f642693b50dee24038fb0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/548075
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
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Reviewed-by: Robert Griesemer <gri@google.com>
2023-12-06 23:34:22 +00:00
David Chase
fecaea97e4 doc: changes for loong64 linux port
register abi, memory sanitizer, new relocations, buildmode=plugin

Change-Id: Ib7f023f61be26fc1369a3db454f6d8828e5b5b33
Reviewed-on: https://go-review.googlesource.com/c/go/+/547638
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2023-12-06 21:59:04 +00:00
Michael Pratt
6ee2719854 doc: add STW metrics to release notes
For #63340.
For #61422.

Change-Id: Ib74bb54b0450e96b7f4b7eb7ba2ae7ac2d40171a
Reviewed-on: https://go-review.googlesource.com/c/go/+/547095
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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2023-12-06 21:50:33 +00:00
Michael Pratt
ff9269ee11 doc: add release notes for runtime-internal contention
For #57071.
For #61422.

Change-Id: I5d546d8828be897cb087e85a1251213c582b3894
Reviewed-on: https://go-review.googlesource.com/c/go/+/547059
Reviewed-by: Rhys Hiltner <rhys@justin.tv>
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Auto-Submit: Michael Pratt <mpratt@google.com>
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2023-12-06 21:50:31 +00:00
Michael Pratt
3b8b550a35 doc: document runtimecontentionstacks
For #57071.

Change-Id: Ic1645af57aa589917c67154a5e4ad0b4edd7ba90
Reviewed-on: https://go-review.googlesource.com/c/go/+/547058
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Rhys Hiltner <rhys@justin.tv>
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Auto-Submit: Michael Pratt <mpratt@google.com>
2023-12-06 21:50:28 +00:00
cui fliter
459cd35ec0 doc/go1.22: mention new #vet analyzer
Change-Id: Ib135101bc8adbdb158c5e98bcca14e13d7ac963b
Reviewed-on: https://go-review.googlesource.com/c/go/+/533555
TryBot-Result: Gopher Robot <gobot@golang.org>
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2023-12-06 21:13:57 +00:00
Cherry Mui
c80bd631a5 doc/go1.22: document linker flag changes
Updates #41004.
For #61422.

Change-Id: I5ab60d8e9d30986233d7adec400ef059bbe4c1a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/547515
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-06 17:29:11 +00:00
Than McIntosh
c002a5d8ab doc: add release note on coverage testing of no-test packages
Add a small release note blurb to describe the changes in CL 495447
relating to "go test -cover" runs on packages with functions but no
tests.

For #61422.

Change-Id: Ib8163ac70b902f0d7f9f470b944e7f70711e3cf3
Reviewed-on: https://go-review.googlesource.com/c/go/+/547635
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
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2023-12-06 16:30:47 +00:00
khr@golang.org
e418258993 doc: document new cmp.Or function
Change-Id: I41ea06018daae2c929edc24a714007cede9296ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/547756
TryBot-Bypass: Keith Randall <khr@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
2023-12-06 13:10:06 +00:00
Robert Griesemer
01dfae914b doc: add release notes for changes to encoding packages
For #53693.

Change-Id: I360f5cb9caf5fa77267a100eebcc282955677abe
Reviewed-on: https://go-review.googlesource.com/c/go/+/547755
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
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2023-12-05 23:55:18 +00:00
Robert Griesemer
1661bf02c8 doc: add release note for new go/version package
For #62039.

Change-Id: Id19a4c06489ad24dc44c7caf2405d155d96c6fcb
Reviewed-on: https://go-review.googlesource.com/c/go/+/547695
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
2023-12-05 23:54:02 +00:00
Robert Griesemer
3c31998f4f doc: re-arrange release notes for go/types
Better order in description of changes to go/types.
Move go/types section up so it's in alphabetical order again.
No changes to actual content.

Change-Id: If2f085b665b412489e5dfdba79b7f93598ff2785
Reviewed-on: https://go-review.googlesource.com/c/go/+/546359
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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2023-12-05 22:46:28 +00:00
Robert Griesemer
1e9de4db88 doc: add release note for go/types.Alias type and Unalias function
Also, add some missing <code></code> tags.

For #63223.

Change-Id: I570b82be830b3c124420c5715ab1165ca53725f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/546358
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
2023-12-05 22:46:25 +00:00
Robert Griesemer
49f022cfa3 doc: add release note for go/types/PkgNameOf
For #62037.

Change-Id: Id1d02f88205e5ea62662e78c8313731ec9e55b1e
Reviewed-on: https://go-review.googlesource.com/c/go/+/546975
Reviewed-by: Alan Donovan <adonovan@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
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Auto-Submit: Robert Griesemer <gri@google.com>
2023-12-05 22:43:13 +00:00
Robert Griesemer
ba519019d2 doc: add release note for changes to go/types/SizesFor
For #61035.

Change-Id: I27e2c44f9275b508d9dccc50da80896384a4c8fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/546837
TryBot-Bypass: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
2023-12-05 22:42:45 +00:00
Robert Griesemer
53393062ba doc: add release note for go/types.Info.FileVersions
For #62605.

Change-Id: I3c06b835c874c1be5aa5293e3906bdd06c021d87
Reviewed-on: https://go-review.googlesource.com/c/go/+/546836
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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2023-12-05 22:42:42 +00:00
Alan Donovan
ed30ee6c56 doc/go1.22: document ast.Object deprecation
The api.txt changes were originally recorded by mistake (sorry)
into go1.21.txt; see CL 504915, which made the actual change
in August.

Change-Id: If46b48d9714f01605888a6e975c1a03ccfce3b3e
Reviewed-on: https://go-review.googlesource.com/c/go/+/547637
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Auto-Submit: Alan Donovan <adonovan@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
2023-12-05 21:18:08 +00:00
Alan Donovan
5686b650cc doc/go_spec.html: rename golang.org to go.dev
Fixes #64513

Change-Id: I45d6a4ba2170308260f3b8f7965affc9948f3fcf
Reviewed-on: https://go-review.googlesource.com/c/go/+/547476
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Auto-Submit: Alan Donovan <adonovan@google.com>
2023-12-05 20:45:10 +00:00
Michael Anthony Knyszek
c915215af6 runtime: add the disablethp GODEBUG setting
Go 1.21.1 and Go 1.22 have ceased working around an issue with Linux
kernel defaults for transparent huge pages that can result in excessive
memory overheads. (https://bugzilla.kernel.org/show_bug.cgi?id=93111)

Many Linux distributions disable huge pages altogether these days, so
this problem isn't quite as far-reaching as it used to be. Also, the
problem only affects Go programs with very particular memory usage
patterns.

That being said, because the runtime used to actively deal with this
problem (but with some unpredictable behavior), it's preventing users
that don't have a lot of control over their execution environment from
upgrading to Go beyond Go 1.20.

This change adds a GODEBUG to smooth over the transition. The GODEBUG
setting disables transparent huge pages for all heap memory on Linux,
which is much more predictable than restoring the old behavior.

Fixes #64332.

Change-Id: I73b1894337f0f0b1a5a17b90da1221e118e0b145
Reviewed-on: https://go-review.googlesource.com/c/go/+/547475
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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2023-12-05 20:14:52 +00:00
Cherry Mui
3d2645f337 doc/go1.22: document enabling PIE by default on darwin/amd64
Updates #61229.
For #61422.

Change-Id: I6cf8169c1e310e0de734250dbe04fb36e14728d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/547455
Reviewed-by: Than McIntosh <thanm@google.com>
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2023-12-05 18:48:11 +00:00
Robert Griesemer
3822e161a3 doc: add release note for math/big.Rat.FloatPrec
For #50489.

Change-Id: I4544a24327196eb3ed62af64ae5ddb1f60441d12
Reviewed-on: https://go-review.googlesource.com/c/go/+/546357
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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2023-12-05 18:30:46 +00:00
Michael Pratt
818de275c0 doc: add release notes for PGO improvements
For #61577.
For #61422.

Change-Id: I575bf657fb36bd7103c73620bb2371d0f490af20
Reviewed-on: https://go-review.googlesource.com/c/go/+/546935
Reviewed-by: Cherry Mui <cherryyz@google.com>
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2023-12-04 19:27:31 +00:00
Michael Anthony Knyszek
92b6cdeb42 doc: add release notes for runtime/pprof changes
For #50891.
For #61015.

For #61422.

Change-Id: I30d580814ac02fe9f3fbd1a101b2cc05947a9aaa
Reviewed-on: https://go-review.googlesource.com/c/go/+/546475
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
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2023-12-04 18:17:37 +00:00
Michael Anthony Knyszek
b94532d08d doc: add release notes for the new execution tracer
For #60773.
For #62627.
For #63960.

For #61422.

Change-Id: I3c933f7522f65cd36d11d38a268556d92c8053f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/546026
Reviewed-by: Michael Pratt <mpratt@google.com>
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Auto-Submit: Michael Knyszek <mknyszek@google.com>
2023-12-04 17:01:56 +00:00
Michael Anthony Knyszek
3220bbe1fb doc: add release notes for allocation headers
For #61422.

Change-Id: Ia7cb2721e52d9ccd932a49e0c331868eb7749f94
Reviewed-on: https://go-review.googlesource.com/c/go/+/546027
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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2023-12-01 21:50:23 +00:00
Keith Randall
ecb9d9b95c doc: document changes to slices package
Change-Id: I4e3f9812463251acd312372dd8a4f8c2cea9e289
Reviewed-on: https://go-review.googlesource.com/c/go/+/545996
Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Keith Randall <khr@google.com>
TryBot-Bypass: Keith Randall <khr@google.com>
2023-12-01 21:24:05 +00:00
Keith Randall
5d1287fa62 doc: remove encoding/binary.NativeEndian release note placeholder
This was released in 1.21, release noted in CL 524675.
(I think it was missed originally and then and backported,
but then somehow incorrectly made it into the 1.22 dragnet.)

Change-Id: I45f3182f14f77f8b92a3b7d5ef0011b71fd3c176
Reviewed-on: https://go-review.googlesource.com/c/go/+/546675
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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2023-12-01 21:01:26 +00:00
Michael Anthony Knyszek
2e6387cbec doc: add release notes about bootstrap toolchain version
For #61422.

Change-Id: Ie0d3c05752d29aa65983add85935d2505560ec55
Reviewed-on: https://go-review.googlesource.com/c/go/+/546029
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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2023-12-01 18:47:51 +00:00
Alan Donovan
a27a525d1b go/types: set correct Var.scopePos for parameters/results
Previously, its value was unset (NoPos), but the correct
value is a point after the signature (FuncType.End) and
before the body.

Also, fix a bug in Scope.Innermost whereby it would return
the wrong (outer) scope when the query position was in
the FuncType portion of a Func{Decl,Lit}.
The fix is to set the scope's pos/end to those of the
complete Func{Decl,Lit}. This is now documented at
Info.Scopes, along with other missing information.

Also, fix a bug in the go/types (but not types2) scope
test, in which comments were discarded by the parser,
causing the entire test to be a no-op (!).

Also, make failures of TestScopeLookupParent more
informative.

Also, add a release note about the change in behavior.

Fixes #64292
Fixes #64295

Change-Id: Ib681f59d1b0b43de977666db08302d7524d3305f
Reviewed-on: https://go-review.googlesource.com/c/go/+/544035
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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2023-11-30 01:15:55 +00:00
Keith Randall
636c6e350d doc: release notes for GOARM hardfloat/softfloat change
See CL 514907

Change-Id: Ieba2d7737115c66990b0ea7629033e787a99be93
Reviewed-on: https://go-review.googlesource.com/c/go/+/545655
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Ludi Rehak <ludi317@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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2023-11-29 19:13:04 +00:00
Mauri de Souza Meneguzzo
5df4a6376f doc: document PCALIGN directive
Fixes #64283

Change-Id: Ie0167410fc5557143f0b2e17af56ad9fe34605cf
GitHub-Last-Rev: 77144c76d3
GitHub-Pull-Request: golang/go#64296
Reviewed-on: https://go-review.googlesource.com/c/go/+/544115
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Reviewed-by: Keith Randall <khr@google.com>
2023-11-28 19:15:27 +00:00
Michael Anthony Knyszek
7e5b7d7720 doc: update release notes from the relnote tool
For #61422.

Change-Id: I0e091c30a445dbc55054c31837c6f051fea3c07d
Reviewed-on: https://go-review.googlesource.com/c/go/+/544537
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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2023-11-27 19:51:40 +00:00
Filippo Valsorda
8eecf26e3f crypto/tls: disable ExportKeyingMaterial without EMS
Fixes #43922

Change-Id: Idaad7daa6784807ae3a5e4d944e88e13d01fd0b2
Reviewed-on: https://go-review.googlesource.com/c/go/+/544155
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
2023-11-21 16:29:49 +00:00
Roland Shoemaker
67d555e089 crypto/tls: remove RSA KEX ciphers from the default list
Removes the RSA KEX based ciphers from the default list. This can be
reverted using the tlsrsakex GODEBUG.

Fixes #63413

Change-Id: Id221be3eb2f6c24b91039d380313f0c87d339f98
Reviewed-on: https://go-review.googlesource.com/c/go/+/541517
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Reviewed-by: Damien Neil <dneil@google.com>
2023-11-14 18:03:29 +00:00
Roland Shoemaker
362bf4fc6d crypto/tls: change default minimum version to 1.2
Updates the default from 1.0 -> 1.2 for servers, bringing it in line
with clients. Add a GODEBUG setting, tls10server, which lets users
revert this change.

Fixes #62459

Change-Id: I2b82f85b1c2d527df1f9afefae4ab30a8f0ceb41
Reviewed-on: https://go-review.googlesource.com/c/go/+/541516
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2023-11-14 18:03:20 +00:00
Robert Griesemer
30de0b5ef4 go/types, types2: implement Alias proposal (export API)
This CL exports the previously unexported Alias type and
corresponding functions and methods per issue #63223.

Whether Alias types are used or not is controlled by
the gotypesalias setting with the GODEBUG environment
variable. Setting gotypesalias to "1" enables the Alias
types:

	GODEBUG=gotypesalias=1

By default, gotypesalias is not set.

Adjust test cases that enable/disable the use of Alias
types to use -gotypesalias=1 or -gotypesalias=0 rather
than -alias and -alias=false for consistency and to
avoid confusion.

For #63223.

Change-Id: I51308cad3320981afac97dd8c6f6a416fdb0be55
Reviewed-on: https://go-review.googlesource.com/c/go/+/541737
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2023-11-13 20:18:45 +00:00
Russ Cox
607e020150 cmd/cgo: disable #cgo noescape/nocallback until Go 1.23
Go 1.21 and earlier do not understand this line, causing
"go mod vendor" of //go:build go1.22-tagged code that
uses this feature to fail.

The solution is to include the go/build change to skip over
the line in Go 1.22 (making "go mod vendor" from Go 1.22 onward
work with this change) and then wait to deploy the cgo change
until Go 1.23, at which point Go 1.21 and earlier will be unsupported.

For #56378.
Fixes #63293.

Change-Id: Ifa08b134eac5a6aa15d67dad0851f00e15e1e58b
Reviewed-on: https://go-review.googlesource.com/c/go/+/539235
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Reviewed-by: Bryan Mills <bcmills@google.com>
2023-11-02 16:43:23 +00:00
Robert Griesemer
e5ef484691 spec: document range over integer expression
This CL is partly based on CL 510535.

For #61405.

Change-Id: Ic94f6726f9eb34313f11bec7b651921d7e5c18d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/538859
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
2023-11-02 03:57:56 +00:00
Roland Shoemaker
3839447ac3 doc: add missing space in godebug.md
Change-Id: I941b6397e2f09a4abb30c0caf91cc2ff2212a445
Reviewed-on: https://go-review.googlesource.com/c/go/+/536675
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2023-10-21 03:03:54 +00:00
Robert Griesemer
aa05674b1d spec: explain eval order of binary operator examples with comments
Fixes #63525.

Change-Id: Ie9aa4dd47c025cd593e576c6e8de1774e1d1e302
Reviewed-on: https://go-review.googlesource.com/c/go/+/535775
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
2023-10-17 15:06:48 +00:00
Jonathan Amsterdam
eb070d7483 net/http: add GODEBUG setting for old ServeMux behavior
Add the GODEBUG setting httpmuxgo121.
When set to "1", ServeMux behaves exactly like it did in Go 1.21.

Implemented by defining a new, unexported type, serveMux121, that
uses the original code.

Updates #61410.

Change-Id: I0a9d0fe2a2286e442d680393e62895ab50683cea
Reviewed-on: https://go-review.googlesource.com/c/go/+/530461
Run-TryBot: Jonathan Amsterdam <jba@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
2023-10-02 20:28:30 +00:00
Ian Lance Taylor
251fb8e411 doc/go1.22: correct tipo languague => language
Change-Id: I11d0947d6d2ffa91745c8e36a3984ffee85abbd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/528896
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
2023-09-18 17:33:59 +00:00
Matthew Dempsky
856cf23a8a spec: specify evaluation order for binary logical operations
This CL clarifies the order of evaluation of the binary logical
operators, && and ||. The clarified semantics matches what cmd/compile
and x/tools/go/ssa already implement, and prohibit some optimizations
that are arguably allowed today but risk surprising users.

First, it specifies that the left operand is evaluated before the
right operand. This prohibits "(f() || true) && *p" from evaluating
"*p" before "f()".

Second, it specifies that binary logical operations are also ordered
lexically left-to-right with regard to function calls and receive
operations. This prohibits "h(*p || true || f(), g())" from evaluating
"*p" after "g()".

Finally, the "order of evaluation of [...] is not specified" wording
in the example is clarified to acknowledge that there are still some
other orderings that are implied lexically; e.g., x must be evaluated
and indexed before g(), and z now must be evaluated before h(). (Note:
Whether z is evaluated before or after f() remains unspecified, as
there's no lexical dependency.)

Change-Id: I9d316a7f1fbc83be663e116380a2cc7a4ace623d
Reviewed-on: https://go-review.googlesource.com/c/go/+/522938
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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2023-09-14 05:14:44 +00:00
Joe Tsai
c700c23cef reflect: make Value.IsZero identical to v == zero
The upcoming built-in zero value provides an idiomatic way
to test for zero by comparing to the zero literal: v == zero.

The reflect package is meant to provide a programmatic way to perform
operations that the Go language itself provides.
Thus, it seems prudent that reflect.ValueOf(&v).Elem().IsZero() is
identical to v == zero.

This change alters the behavior of Value.IsZero in two concrete ways:
* negative zero is identical to zero
* blank fields in a struct are ignored

Prior to this change, we were already in an inconsistent state
due to a regression introduced by CL 411478.
The new behavior was already the case for comparable composite types.
This change makes it consistent for all other types
(in particular incomparable composite types and standalone numbers).

Updates #61372
Fixes #61827

Change-Id: Id23fb97eb3b8921417cc75a1d3ead963e22dc3d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/517777
Reviewed-by: Russ Cox <rsc@golang.org>
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2023-09-01 23:20:30 +00:00
Ian Lance Taylor
59abd0e88b doc/go1.22: mention new #cgo directives
For #56378

Change-Id: I0c9c662c6d765cad6f7bf17fdd648db8d73e429b
Reviewed-on: https://go-review.googlesource.com/c/go/+/522937
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2023-08-26 00:16:22 +00:00
Matthew Dempsky
ba6fe5172d spec: clarify that []byte("") must be non-nil
The example text below suggests that []byte("") always evaluates to
the non-nil value []byte{}, but the text proper doesn't explicitly
require that. This CL makes it clear that it must not evaluate to
[]byte(nil), which otherwise was allowed by the wording.

Change-Id: I6564bfd5e2fd0c820d9b55d17406221ff93ce80c
Reviewed-on: https://go-review.googlesource.com/c/go/+/521035
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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2023-08-21 23:20:08 +00:00
Ian Lance Taylor
ce16086345 spec: correct type parameter name used in example
Change-Id: I40595a3f598483d029473af465c756f8777ecc91
Reviewed-on: https://go-review.googlesource.com/c/go/+/520915
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-08-18 20:44:48 +00:00
Robert Griesemer
ab3332eea9 spec: fix unification rule for inexact interface unification
Irrespective of whether unification is exact or inexact, method
signatures of interfaces must always match exactly: a type never
satisfies/implements an interface if relevant method signatures
are different (i.e., not identical, possibly after substitution).

This change matches the fix https://go.dev/cl/519435.

For #61879.

Change-Id: I28b0a32d32626d85afd32e107efce141235a923d
Reviewed-on: https://go-review.googlesource.com/c/go/+/519455
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2023-08-17 22:56:50 +00:00
Inada Naoki
2f100187f6 doc/go1.22: mention new sql.Null[T]
For #60370.

Change-Id: Idae906ec7027be6d95f78bf43f7ce8f9d07e6c00
GitHub-Last-Rev: c645f0cf82
GitHub-Pull-Request: golang/go#62033
Reviewed-on: https://go-review.googlesource.com/c/go/+/519555
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2023-08-16 02:02:38 +00:00
Cian Ruane
b3c9db8934 doc: fix broken x509sha1 setting link
The link was missing the /pkg/ prefix.

Fixes #62034.

Change-Id: I96c43f06621e30241e140948129e90f0bd5f8d13
GitHub-Last-Rev: c1e7413f76
GitHub-Pull-Request: golang/go#62040
Reviewed-on: https://go-review.googlesource.com/c/go/+/519575
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
2023-08-15 19:38:07 +00:00
Mauri de Souza Meneguzzo
610d47a584 net/http: disallow empty Content-Length header
The Content-Length must be a valid numeric value, empty values should not be accepted.

See: https://www.rfc-editor.org/rfc/rfc9110.html#name-content-length

Fixes #61679

Change-Id: Icbcd933087fe5e50199b62ff34c58bf92a09d3d4
GitHub-Last-Rev: 932e46b55b
GitHub-Pull-Request: golang/go#61865
Reviewed-on: https://go-review.googlesource.com/c/go/+/517336
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
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2023-08-11 22:04:35 +00:00
Roland Shoemaker
162469b3cf crypto/tls: add GODEBUG to control max RSA key size
Add a new GODEBUG setting, tlsmaxrsasize, which allows controlling the
maximum RSA key size we will accept during TLS handshakes.

Change-Id: I52f060be132014d219f4cd438f59990011a35c96
Reviewed-on: https://go-review.googlesource.com/c/go/+/517495
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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2023-08-10 20:33:01 +00:00
David Chase
a4b6685c4c doc: move Go 1.21 release notes to x/website
Now that the development of the Go 1.21 release is almost done, its
release notes are moved to their eventual long-term home in x/website
in CL 516095. Delete the initial development copy here.

For golang/go#58645.

Change-Id: I5207d21289b2e7b9328c943a088f45bc81c710a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/516075
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2023-08-04 18:16:07 +00:00
Filippo Valsorda
c0eea2d16d doc/go1.21: update crypto release notes
Left out the following commits that felt more bug-fixy.

* f0de4b4f03 - crypto/x509: fix certificate validation with FQDN on Windows <Patryk Chelmecki>
* 20e08fe68c - crypto/tls: advertise correct ciphers in TLS 1.3 only mode <Monis Khan>
* 295c237b4d - crypto/tls: enforce 1.3 record version semantics <Roland Shoemaker>

Change-Id: Idd38b5c6897130424a0e8b857f371d7d384fc143
Reviewed-on: https://go-review.googlesource.com/c/go/+/515955
Reviewed-by: Roland Shoemaker <roland@golang.org>
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
2023-08-04 16:53:48 +00:00
Robert Griesemer
976a84b1ff spec: remove unnecessary sentence
Change-Id: I06345199ff16c80be83c345d734caef1714ec089
Reviewed-on: https://go-review.googlesource.com/c/go/+/515338
TryBot-Bypass: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
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2023-08-03 18:56:31 +00:00
Anit Gandhi
3ca90ed866 doc/go1.21: document changes in crypto/tls related to client authentication alerts
For #52113
For #58645

Change-Id: Id7dff2570132588da95fb4216a86faf34fa2cbdc
GitHub-Last-Rev: 94eabfe82f
GitHub-Pull-Request: golang/go#60972
Reviewed-on: https://go-review.googlesource.com/c/go/+/505436
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
2023-08-03 15:43:04 +00:00
cui fliter
3c25d832af doc: fix html tags
Change-Id: I535bec2de8f4f7dd415896a020d71c373c22be56
Reviewed-on: https://go-review.googlesource.com/c/go/+/515155
Run-TryBot: shuang cui <imcusg@gmail.com>
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Reviewed-by: David Chase <drchase@google.com>
2023-08-03 14:43:29 +00:00
Tobias Klauser
a4e694b8d4 doc/go1.21: consistently use spaces for indentation
Change-Id: Ib0aec9ee6cd7aae1821c82e67f0c67be01122992
Reviewed-on: https://go-review.googlesource.com/c/go/+/509677
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Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
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2023-08-03 14:42:23 +00:00
Matthew Dempsky
431612eacb doc/go1.21: finish last TODO for go/types.Package.GoVersion
Updates #58645.

Change-Id: I7352bf7f03c478d92ebd0b8345d676d5b2dfccb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/513475
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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2023-08-02 23:44:58 +00:00
Russ Cox
977e23a707 doc/go_mem: explain arrays, structs, and complex numbers
Arrays, structs, and complex numbers are collections of values that
are handled separately by the memory model.

An earlier version may have said this, but the current version does not.
Say it.

Change-Id: If3928bed6659e58e688f88aa0dde05423cbb3820
Reviewed-on: https://go-review.googlesource.com/c/go/+/514476
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2023-07-31 19:10:40 +00:00
Robert Griesemer
03bec7dc6f spec: add Appendix with detailed type unification rules
Change-Id: I0d4ccbc396c48d565c0cbe93c9558ab330a44d02
Reviewed-on: https://go-review.googlesource.com/c/go/+/513275
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
2023-07-31 16:39:02 +00:00
Robert Griesemer
7fed33815c spec: update section on type unification for Go 1.21
This leaves the specific unification details out in favor
of a (forthcoming) section in an appendix.

Change-Id: If984c48bdf71c278e1a2759f9a18c51ef58df999
Reviewed-on: https://go-review.googlesource.com/c/go/+/507417
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-07-26 00:02:26 +00:00
Robert Griesemer
3bb51a6805 spec: fix a couple of minor mistakes in type inference section
Change-Id: I9cdb301163b67add39928c8fc7df2b7f3893f45e
Reviewed-on: https://go-review.googlesource.com/c/go/+/511836
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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2023-07-21 16:52:52 +00:00
Robert Griesemer
a04a665a92 spec: update section on type inference for Go 1.21
The new section describes type inference as the problem
of solving a set of type equations for bound type parameters.

The next CL will update the section on unification to match
the new inference approach.

Change-Id: I2cb49bfb588ccc82d645343034096a82b7d602e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/503920
TryBot-Bypass: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
2023-07-20 23:09:32 +00:00
Guoqi Chen
700727151f doc/go1.21: add release notes for linux/loong64
Fixes #53301

Change-Id: Id447d57d43b12c3748267295928d45a089549340
Reviewed-on: https://go-review.googlesource.com/c/go/+/507815
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2023-07-19 01:25:04 +00:00
Robert Griesemer
cd6c4e0557 spec: clarify prose in rule for clear built-in
Per feedback on #56351.

For #56351.

Change-Id: I63dd1713a1efe4d7180d932dbd8e1510cbb32e90
Reviewed-on: https://go-review.googlesource.com/c/go/+/510935
TryBot-Bypass: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
2023-07-18 23:43:01 +00:00
Heschi Kreinick
dcf32c66ee doc: start draft Go 1.22 release notes
For #61422.

Change-Id: I1a7430d9113cbaede1822115a7daeb45a894af25
Reviewed-on: https://go-review.googlesource.com/c/go/+/510377
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Heschi Kreinick <heschi@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2023-07-18 21:18:56 +00:00
Carlos Amedee
2639a17f14 doc: run relnotes again
Relnote (golang.org/x/build/cmd/relnote) was run again. Some of the
simpler entries were resolved. TODO's remain for other entries.

For #58645

Change-Id: I0acb5e87b2e9655ffd472e728259a4aa6c4da50e
Reviewed-on: https://go-review.googlesource.com/c/go/+/510375
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Carlos Amedee <carlos@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2023-07-18 15:04:57 +00:00
Austin Clements
c3458e35f4 doc/go1.21: use consistent capitalization for amd64
Fixes #61388

Change-Id: I173498b57081aacf772f0d3a9ce0a76ed7b19385
Reviewed-on: https://go-review.googlesource.com/c/go/+/510295
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Bypass: Austin Clements <austin@google.com>
2023-07-17 15:27:39 +00:00
Bryan C. Mills
230e549142 doc/go1.21: add a release note for CL 463177
I'm not sure why the relnote tool did not fill in a TODO for that
change; one was requested in
http://go.dev/cl/c/go/+/463177/3#message-87065dffb06e196fba9a325fefb32f16b41b6b15.

Updates #50807.
Updates #27225.

Change-Id: If6be8c126bcafb04ba92de88d2fc74a0557a07b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/509098
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
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2023-07-12 18:13:43 +00:00
Matthieu Baerts
6a063b01b0 net: mptcp: force using MPTCP with GODEBUG
When adding MPTCP support to address the proposal #56539, I missed the
GODEBUG setting from Russ Cox's plan:

  I am inclined to say that we add MPTCP as an opt-in for a release or
  two, and then make it opt-out. There should be a GODEBUG setting (...)

See: https://github.com/golang/go/issues/56539#issuecomment-1309294637

Thanks to andrius4669 for having reported this issue to me.

It makes sense to have this GODEBUG setting not to have to modify
applications to use MPTCP (if available). It can then be useful to
estimate the impact in case we want to switch from opt-in to opt-out
later.

The MPTCP E2E test has been modified to make sure we can enable MPTCP
either via the source code like it was already the case before or with
this environment variable:

  GODEBUG=multipathtcp=1

The documentation has been adapted accordingly.

I don't know if it is too late for Go 1.21 but I had to put a version in
the documentation. The modification is small, the risk seems low and
this was supposed to be there from the beginning according to Russ Cox's
specifications. It can also be backported or only be present in the
future v1.22 if it is easier.

Note: I didn't re-open #56539 or open a new one. It is not clear to me
what I should do in this case.

Fixes #56539

Change-Id: I9201f4dc0b99e3643075a34c7032a95528c48fa0
Reviewed-on: https://go-review.googlesource.com/c/go/+/507375
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
2023-07-11 00:36:57 +00:00
Kota
9f6e87ff74 doc/go1.21: document changes in crypto/x509
RevocationList.RevokedCertificates has been deprecated and
replaced with the new RevocationList.RevokedCertificateEntries field,
not RevocationList.Entries.

Change-Id: I36053e0d67a9997264483d1e04e31774fbab8702
GitHub-Last-Rev: a9f6949b05
GitHub-Pull-Request: golang/go#60984
Reviewed-on: https://go-review.googlesource.com/c/go/+/505935
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
2023-06-26 14:53:03 +00:00
Ian Lance Taylor
f5015b5164 doc/go1.21: context.Background and TODO may now appear equal
Fixes #60978

Change-Id: I3e4bd366dc30ac435698b8f17170695330034683
Reviewed-on: https://go-review.googlesource.com/c/go/+/505795
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Sameer Ajmani <sameer@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2023-06-26 12:57:55 +00:00
Ian Lance Taylor
ad2c517708 doc/go1.21: correct GOOS to GOARCH (another location)
Change-Id: Ie71bc41bd7f1aecf6ce69a8b310668fdd03da42b
Reviewed-on: https://go-review.googlesource.com/c/go/+/504880
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rhys Hiltner <rhys@justin.tv>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
2023-06-21 20:42:55 +00:00
Ian Lance Taylor
b23cae8095 doc/go1.21: correct GOOS to GOARCH
For #57752
Fixes #60924

Change-Id: Ie1e16c041885abb51dd6c2f0b7dfa03091cfb338
Reviewed-on: https://go-review.googlesource.com/c/go/+/504879
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2023-06-21 19:47:51 +00:00
Robert Griesemer
01b649b7ef spec: explain in which situations function type arguments can be omitted
Change-Id: I9f008dba7ba6e30f0e62647482a3ed0b51bc1ad0
Reviewed-on: https://go-review.googlesource.com/c/go/+/502997
Reviewed-by: Robert Findley <rfindley@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-06-14 17:00:00 +00:00
Paul E. Murphy
e712759914 doc/go1.21: document GOPPC64=power10 changes
For #44549

Change-Id: I1af1d4bbd01a4571a32815bfea16bc395524551a
Reviewed-on: https://go-review.googlesource.com/c/go/+/501358
TryBot-Result: Gopher Robot <gobot@golang.org>
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2023-06-13 20:35:51 +00:00
Robert Griesemer
17dcbd8662 spec: de-emphasize string(int) conversions
Fixes #60731.

Change-Id: I71fad1c8385b13d036bb0ce7ae6bd21e0f596e51
Reviewed-on: https://go-review.googlesource.com/c/go/+/502657
Reviewed-by: Ian Lance Taylor <iant@google.com>
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TryBot-Bypass: Robert Griesemer <gri@google.com>
2023-06-13 17:41:11 +00:00
Robert Griesemer
ee5af6103d spec: document new program initialization process
For #57411.

Change-Id: I94982d939d16ad17174f801cc167cc10ddc8da30
Reviewed-on: https://go-review.googlesource.com/c/go/+/501696
Reviewed-by: Keith Randall <khr@google.com>
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2023-06-13 17:40:15 +00:00
Michael Pratt
d22b08bd64 doc/go1.21: clean up remaining TODOs
These sections are now complete, remove remaining TODOs. Several entries
were missing CL numbers.

For #58645

Change-Id: I67489356016013be876c4bd522afb977becf54ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/502696
Run-TryBot: Michael Pratt <mpratt@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
2023-06-12 21:00:52 +00:00
chressie
0fcc70ecd5 doc/go1.21: fix typo
Change-Id: Ie0af0ff135ac14d35476d738a16f04e9c3eebcd2
Reviewed-on: https://go-review.googlesource.com/c/go/+/502475
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2023-06-12 15:53:08 +00:00
Dmitri Shuralyov
bd8c133097 doc/go1.21: add heading for cmp package
For #59488.
For #58645.

Change-Id: Ia9b76d49825dd74f7e52d829ec6d47e6c2addd76
Reviewed-on: https://go-review.googlesource.com/c/go/+/501825
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-06-11 23:27:37 +00:00
Ian Lance Taylor
ce8eadf591 doc/go1.21: remove CL 472195 TODO
It's not needed per CL 499515.

Change-Id: I2a5ce46be93dad1442c0aad736fd8d230ee35f39
Reviewed-on: https://go-review.googlesource.com/c/go/+/501996
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Eli Bendersky <eliben@google.com>
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2023-06-09 00:01:48 +00:00
Damien Neil
0cc58564f6 go1.21: document crypto/tls additions
For #60105
For #44886

Change-Id: I8f6cfc4490535979ee8c0d8381c03b03c9c7b9a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/501303
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Run-TryBot: Damien Neil <dneil@google.com>
2023-06-08 18:50:10 +00:00
Filippo Valsorda
bff4b0edcb doc/go1.21: more crypto release notes
Change-Id: I06981e13b89b3bde8f0d2fc9993240a372fb0457
Reviewed-on: https://go-review.googlesource.com/c/go/+/501815
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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2023-06-08 17:09:04 +00:00
qmuntal
765bd691e2 doc/go1.21: NOFRAME heuristic changes
For #58378

Change-Id: I960b97f33a8bf29d3a9622b58d278544d0970a38
Reviewed-on: https://go-review.googlesource.com/c/go/+/501516
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2023-06-08 17:06:57 +00:00
Ian Lance Taylor
a272d1f687 doc/go1.21: mention NewFile on non-blocking descriptor
The returned descriptor now remains in non-blocking mode.

For #58408
For #60211

Change-Id: I88d33c180db642d055b4fed3b03a9afa02e746bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/501699
Auto-Submit: Ian Lance Taylor <iant@google.com>
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2023-06-08 16:48:20 +00:00
Ian Lance Taylor
471561c590 doc/go1.21: mention html/template.ErrJSTemplate
For #59584

Change-Id: Iaa3f8b23010ad452c134ac608c63d2a41cc4e409
Reviewed-on: https://go-review.googlesource.com/c/go/+/501698
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-06-08 16:48:19 +00:00
Ian Lance Taylor
cc99093dfa doc/go1.21: mention new cmp package
For #59488

Change-Id: I73ee4d1d8b9d8e6f0aad9e3bb98729aaa0f06a47
Reviewed-on: https://go-review.googlesource.com/c/go/+/501697
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2023-06-08 16:47:24 +00:00
Ian Lance Taylor
fe9fc408f4 doc/go1.21: run relnotes again
Fill in some of the simpler entries, leave some more TODO entries.

For #58645

Change-Id: I20eb09ba709520ab27301c568d777184a405ffdc
Reviewed-on: https://go-review.googlesource.com/c/go/+/501695
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2023-06-08 16:47:22 +00:00
Robert Griesemer
72b08dbaf3 spec: add temporary note to type inference section
The section on type inference has not been updated yet for Go 1.21.
Add a temporary note so that readers referred to this section from
the release notes are not confused.

Change-Id: Idc4c74d6d700f891c625289e873ad5aa9c2c5213
Reviewed-on: https://go-review.googlesource.com/c/go/+/501308
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-06-07 22:14:14 +00:00
Michael Anthony Knyszek
34c0714bf2 doc/go1.21: add release notes for parent goroutine in stack traces
For #38651.

Change-Id: Ie73c1da0629287efda7f0c617e94a7f3a881eee7
Reviewed-on: https://go-review.googlesource.com/c/go/+/501336
Reviewed-by: Eli Bendersky <eliben@google.com>
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2023-06-07 19:48:16 +00:00
Damien Neil
d6d0fec43d go1.21: document net/http.ResponseController.EnableFullDuplex
For #15527
For #57786

Change-Id: I75ed0b4bac8e31fac2afef17dad708dc9a3d74e1
Reviewed-on: https://go-review.googlesource.com/c/go/+/501300
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2023-06-06 22:06:28 +00:00
Robert Griesemer
1aaf1b219a spec: clarify min/max rules for numeric arguments (exclude NaNs)
Fixes #60570.

Change-Id: I7ef834731ea26ceee5ec9b7438fdd8323aaf828e
Reviewed-on: https://go-review.googlesource.com/c/go/+/500416
TryBot-Bypass: Robert Griesemer <gri@google.com>
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2023-06-06 21:23:09 +00:00
Russ Cox
26a90e4e36 doc/go1.21: document GOEXPERIMENT=loopvar and invite feedback
For #60078.

Change-Id: I92ab1fc2f30e6bbaabd8e3e1b8834e6ddff2414d
Reviewed-on: https://go-review.googlesource.com/c/go/+/500958
TryBot-Bypass: Russ Cox <rsc@golang.org>
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2023-06-05 19:18:13 +00:00
Russ Cox
5db1e99bbd doc/go1.21: document forward and backward compatibility
Also handle go test -c TODO.

For #15513.
For #56986.
For #57001.

Change-Id: I571ae25d8d8fcd44cb38ac16cdd2a1180016eb94
Reviewed-on: https://go-review.googlesource.com/c/go/+/500956
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2023-06-05 19:18:05 +00:00
Russ Cox
eb413f7bcd doc/go1.21: move Ports to end
The most important parts of almost any release notes are the
language and tool changes. Those should be the first two sections.
Instead Ports interrupts the flow with information that usually
matters only to very few users.

Move Ports to the end of the release notes.

Change-Id: I78492e91e368184fb5f8e8d44d63f35b8f14eeae
Reviewed-on: https://go-review.googlesource.com/c/go/+/500957
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2023-06-05 18:24:28 +00:00
Tobias Klauser
587c1c191a doc/go1.21: fix link in debug/elf section
Change-Id: Ief3e263e6c11069abbbf4dd8ce10c317e3a1cab2
Reviewed-on: https://go-review.googlesource.com/c/go/+/500815
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2023-06-05 16:41:14 +00:00
Dmitri Shuralyov
6260049fa2 doc/go1.21: document macOS and Windows requirements
For #58645.
Fixes #57125.
Fixes #57003.
Fixes #57004.

Change-Id: I365929ca36aeb32e9ecd19f870e70869933ba6a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/500239
Reviewed-by: Eli Bendersky <eliben@google.com>
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2023-06-02 19:54:05 +00:00
qmuntal
ae71a862b1 doc/go1.21: document that os.TempDir now uses GetTempPath2W
Updates #56899

Change-Id: Ibde69cd55c81ac0bb757b28b28d69463778dd117
Reviewed-on: https://go-review.googlesource.com/c/go/+/500255
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2023-06-02 17:07:06 +00:00
Alan Donovan
fdbc66d6dd math/big: rename Int.ToFloat64 to Float64
The "To" prefix was a relic of the first draft
that I failed to make consistent with the unprefixed
name used in the proposal. Fortunately iant spotted
it during the API audit.

Updates #56984
Updates #60560

Change-Id: Ifa6eeddf6dd5f0637c0568e383f9a4bef88b10f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/500116
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2023-06-02 14:22:24 +00:00
Roland Shoemaker
40c7be9b0f doc/go1.21: crypto release notes
Updates #58645

Change-Id: Ib7e2baba41bb327d8fc466afb1e117fe2f22e1c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/499637
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2023-06-01 23:34:15 +00:00
Ian Lance Taylor
73a29bad0b doc/go1.21: correct links in go/build note
Change-Id: Ie84cad994c1ffb2c91ce45b2dfb9257e6a7f309b
Reviewed-on: https://go-review.googlesource.com/c/go/+/499957
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2023-06-01 17:35:10 +00:00
Tobias Klauser
300f24400a doc/go1.21: fix io/fs.ReadDirFS link formatting
Change-Id: I348ac0c0e098f027b8d608a260ee9437d2b77539
Reviewed-on: https://go-review.googlesource.com/c/go/+/499835
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2023-06-01 17:29:55 +00:00
Eli Bendersky
691b6ca3de doc: remove relnote TODO by merging with another section
This change was already described in the linker section.

Change-Id: I3e36dbd66b3b53c5f0063b0d67d8773383f1f77f
Reviewed-on: https://go-review.googlesource.com/c/go/+/499817
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2023-06-01 17:13:46 +00:00
Ian Lance Taylor
990113f3a0 doc/go1.21: reformat flag init change note
It reads better as a single paragraph. Also added links.

Change-Id: Id6ba54111b63fbd536423272f674e0eb64b087a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/499956
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2023-06-01 16:14:15 +00:00
Ian Lance Taylor
fecb31f672 doc/go1.21: remove some references to reverted CLs
Change-Id: Id9a8871af9cc3ac26be539877f2eea3462db6f3d
Reviewed-on: https://go-review.googlesource.com/c/go/+/499955
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2023-06-01 16:02:44 +00:00
Ian Lance Taylor
a469983943 doc/go1.21: fix type in closing tag
Change-Id: Ibcdedb8222a80c0478f783f4a1800e472dbe062c
Reviewed-on: https://go-review.googlesource.com/c/go/+/499935
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2023-06-01 16:02:23 +00:00
Eli Bendersky
2ea592c543 doc: add release note for go:wasmimport
Change-Id: I9c6fc4c7e24d0e78086d95dccd61e80bd5ddd856
Reviewed-on: https://go-review.googlesource.com/c/go/+/499815
Auto-Submit: Eli Bendersky‎ <eliben@golang.org>
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2023-06-01 15:56:20 +00:00
Eli Bendersky
5f695f7072 doc: add release note for cgo error on methods on C types
Change-Id: Ibc5f23f37e5bd45034771a0205eadac3072d6870
Reviewed-on: https://go-review.googlesource.com/c/go/+/499816
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2023-06-01 14:43:34 +00:00
Michael Pratt
65dcddeb4e doc/go1.21: document PGO GA and devirtualization
For #59959.
For #58645.

Change-Id: I574153ef2fd61a5e90ec281fca065c42fce22cc1
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2023-06-01 13:54:10 +00:00
Tobias Klauser
b25dff2efe doc/go1.21: document that os.DirFS implements fs.Read{File,Dir}FS
Also add a missing </a> in the preceding section.

For #53761

Change-Id: I8e64b86b5b32067f954d58cf9adf86cb4d2eeb2b
Reviewed-on: https://go-review.googlesource.com/c/go/+/499735
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2023-06-01 12:43:18 +00:00
Ian Lance Taylor
fdd9911d1a doc/go1.21: remove math.Compare TODOs
Change-Id: I975b437240df03da84f2ce7c47f7a0097a597f25
Reviewed-on: https://go-review.googlesource.com/c/go/+/499638
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2023-05-31 21:57:05 +00:00
Jonathan Amsterdam
0b9348fceb go1.21.html: describe testing/slogtest package
Change-Id: I734aae67d410073056388852cd94776c7483b4b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/498273
Run-TryBot: Jonathan Amsterdam <jba@google.com>
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2023-05-31 21:29:18 +00:00
Robert Griesemer
4f51db24f4 doc/go1.21: document type inference changes
For #39661.
For #41176.
For #51593.
For #52397.
For #57192.
For #58645.
For #58650.
For #58671.
For #59338.
For #59750.
For #60353.

Change-Id: Ib731c9f2879beb541f44cb10e40c36a8677d3ad4
Reviewed-on: https://go-review.googlesource.com/c/go/+/499282
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2023-05-31 21:29:10 +00:00
Michael Pratt
01e703c2f6 doc/go1.21: mention improvement to C-to-Go calls
For #51676.
For #58645.

Change-Id: I9045051b5a25c6dfc833eef13e6c105a0d8ae763
Reviewed-on: https://go-review.googlesource.com/c/go/+/499716
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2023-05-31 21:27:40 +00:00
Jonathan Amsterdam
eee6f2b921 go1.21.html: remove log/slog package "changes"
Since log/slog doesn't appear in earlier Go versions, we don't need
to document these proposals as changes.

Change-Id: Iae6ed9ca6bd22d8c46c21deece9ddedf7d739032
Reviewed-on: https://go-review.googlesource.com/c/go/+/498272
Run-TryBot: Jonathan Amsterdam <jba@google.com>
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2023-05-31 21:23:25 +00:00
Tobias Klauser
f07901dc4e doc/go1.21: fix link in WTF-8 section
Change-Id: I8fbba7ca5a148ff6523be412991af0c089e7f7ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/499516
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2023-05-31 20:36:31 +00:00
Ian Lance Taylor
4406e8ef46 doc/go1.21: mention upgrade to Unicode 15.0.0
For #48621
For #55079

Change-Id: I279b4fbf07d2fa9de9577559a4e17a57f5692aa3
Reviewed-on: https://go-review.googlesource.com/c/go/+/499618
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2023-05-31 19:15:28 +00:00
Ian Lance Taylor
3cea9e6881 doc/go1.21: document new bytes.Buffer methods
For #53685

Change-Id: I237297d19afeb36ad738074d0c61caa7012f65ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/499617
Reviewed-by: Eli Bendersky <eliben@google.com>
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2023-05-31 19:15:27 +00:00
Ian Lance Taylor
481665ec07 doc/go1.21: mention debug/elf changes
For #55107
For #56887
For #56892

Change-Id: Ibcca34c931ed3595d877c4573bba221dec66bb5a
Reviewed-on: https://go-review.googlesource.com/c/go/+/499616
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2023-05-31 19:08:24 +00:00
Ian Lance Taylor
077194538c doc/go1.21: reading from debug/pe uninitialized section fails
For #47653

Change-Id: Id44c9dba58966f43f188030a53343d890a6ffde7
Reviewed-on: https://go-review.googlesource.com/c/go/+/499419
Auto-Submit: Ian Lance Taylor <iant@google.com>
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2023-05-31 16:26:00 +00:00
Ian Lance Taylor
30f8d5b69d doc/go1.21: mention that embedded files implement ReadAt
For #57803

Change-Id: I8e33f4dd3fc3071bfbf4d2848faefbe8488f5742
Reviewed-on: https://go-review.googlesource.com/c/go/+/499418
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2023-05-31 16:25:59 +00:00
Ian Lance Taylor
d329fc5b30 doc/go1.21: mention flag.BoolFunc
For #53747

Change-Id: Ia5e2f89c1184f2dfd6d672b838b0dbb579e6c954
Reviewed-on: https://go-review.googlesource.com/c/go/+/499417
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2023-05-31 16:25:16 +00:00
Ian Lance Taylor
39bafed102 doc/go1.21: document io/fs formatting functions
Also document the new String methods that call them.

For #54451

Change-Id: I5cd7e0fc6c84097bba6d29c4d6012ed3c8bb1e0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/499177
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2023-05-31 16:24:42 +00:00
Ian Lance Taylor
8870c05b60 doc/go1.21: mention directive handling in go/{ast,build}
For #56986
For #59033

Change-Id: I7d03fe34d418aff97a551b236b5d43506e402871
Reviewed-on: https://go-review.googlesource.com/c/go/+/499415
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2023-05-31 16:18:26 +00:00
qmuntal
bfa3284f9b doc: document WER and SEH changes in Go 1.21
While here, I've removed the CL 472195 TODO, which I marked as
RELNOTE=yes by mistake.

For #57441
For #57302

Change-Id: I7563140bf307f8d732f0154d02b8fa0735527323
Reviewed-on: https://go-review.googlesource.com/c/go/+/499515
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2023-05-31 15:10:27 +00:00
Keith Randall
094c75219a doc: document new panic behavior of flag definition after Set
For #57411

Change-Id: I56c112bb03dde24c2e2643c9b72ce06158a8e717
Reviewed-on: https://go-review.googlesource.com/c/go/+/499278
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2023-05-30 22:16:11 +00:00
Keith Randall
2a129f3e8a doc: document change of cgocheck=2 from debug to experiment
Change-Id: I98bdfe8ab338a5b92c466a5aacfa95266171e5c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/499279
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2023-05-30 22:15:34 +00:00
Keith Randall
4497b12344 doc: mention the new purego implementation of hash/maphash
Change-Id: Ieedddf52ae09cf5a8e9347f0f30aff21e8369787
Reviewed-on: https://go-review.googlesource.com/c/go/+/499281
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2023-05-30 22:14:56 +00:00
Keith Randall
993707a9d6 doc: mention improvements in checking R15 use in assembly when dynamic linking
Change-Id: I223649818763c0620875c034a77a8865252e3e69
Reviewed-on: https://go-review.googlesource.com/c/go/+/499280
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2023-05-30 20:19:54 +00:00
Cherry Mui
348fd6389b doc/go1.21: fix HTML tag
Fix a broken HTML tag.

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2023-05-30 19:27:48 +00:00
Ian Lance Taylor
5ad676a7ce doc/go1.21: mention errors.ErrUnsupported
Also mention errors that implement it.

For #41198

Change-Id: I4f01b112f53b19e2494b701bb012cb2cb52f8962
Reviewed-on: https://go-review.googlesource.com/c/go/+/498775
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2023-05-30 16:37:02 +00:00
Ian Lance Taylor
41bd7f54bc doc/go1.21: mention maps package
For #57436

Change-Id: I99e8b0819c76f1ccf12154a894c9c4c9d68124d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/498602
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2023-05-30 16:27:41 +00:00
Ian Lance Taylor
7ea03753b4 doc/go1.21: mention multipath TCP support
For #56539
For #59166

Change-Id: Ief392464916a1a74a8fcc6c3c7bdb213e8c6ef98
Reviewed-on: https://go-review.googlesource.com/c/go/+/498601
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2023-05-30 16:18:38 +00:00
Ian Lance Taylor
ccc42b0f91 doc/go1.21: document clear builtin and init order changes
Also move all the language changes to the same part of the release notes.

For #56351
For #57411

Change-Id: Id1c51b5eb8f7d85e61a2ae44ee7d73bb13036631
Reviewed-on: https://go-review.googlesource.com/c/go/+/498755
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2023-05-27 02:02:49 +00:00
Ian Lance Taylor
6e248b8ff2 doc/go1.21: mention os package changes
Also mention WTF-8 support in the syscall package.

For #32558
For #58977
For #59971

Change-Id: Id1627889b5e498add498748d9bfc69fb58030b35
Reviewed-on: https://go-review.googlesource.com/c/go/+/498600
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2023-05-26 23:40:46 +00:00
Ian Lance Taylor
c2bb350d80 doc/go1.21: mention changes to the reflect package
Added Value.Clear, deprecated SliceHeader and StringHeader.

For #55002
For #56906

Change-Id: Ib7497aff830d56fad90c31ec28596e71a448e9ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/498757
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2023-05-26 23:31:44 +00:00
Ian Lance Taylor
dcb27e8a66 doc/go1.21: mention regexp.MarshalText and UnmarshalText
For #46159

Change-Id: Ia9cc0827a89d362532d1a662b791de8eebbfb2fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498756
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2023-05-26 23:31:22 +00:00
Ian Lance Taylor
699a6bfbfc doc/go1.21: remove TODOs for x/ repos
Remove x/ repos changes that aren't part of the 1.21 release.

Change-Id: Ia5cbf02ed6c0cc4dc0ff80d68403723b3f9ae0ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/498596
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2023-05-26 21:29:06 +00:00
Alan Donovan
869af57260 doc: release notes for my humble contributions to go1.21
Updates #58645

Change-Id: Ieb4e6062613e26826ba8373cb4c2fd9198d0c692
Reviewed-on: https://go-review.googlesource.com/c/go/+/496116
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2023-05-26 18:02:00 +00:00
Ian Lance Taylor
c2633dfe77 doc/go1.21: mention syscall package changes
One of the changes also affects the os package, so mention it
there too.

For #46259

Change-Id: I8041a5ce009725ab210118ee668fc94196d9ff82
Reviewed-on: https://go-review.googlesource.com/c/go/+/498376
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2023-05-26 17:09:12 +00:00
Than McIntosh
13be9fa7f8 doc: add release note on dead global map variable deletion
Add a short release note blurb on linker dead-coding of global map
variables.

Updates #58645.

Change-Id: Ibfdd3e2b2b78517db4245b1d7eedd5e75a643b47
Reviewed-on: https://go-review.googlesource.com/c/go/+/498575
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Bypass: Than McIntosh <thanm@google.com>
2023-05-26 16:21:12 +00:00
Ian Lance Taylor
f89d575d9e doc/go1.21: mention new go test -fullpath option
For #37708

Change-Id: I7b04d6331c15771c7d74ff77afd523c435e0dafe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498396
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2023-05-26 13:43:41 +00:00
Dan Peterson
f90b4cd655 doc: fill out net/http.ErrSchemeMismatch note
For #44855

Change-Id: I517394b227ea948ed3e1f9ffdaab2bb2676863c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/496795
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2023-05-26 03:21:41 +00:00
Robert Griesemer
f0e356a07d doc: add release notes for new min/max built-ins
For #59488.

Change-Id: Iefabb06014767c5f633082a112a81e9ff5f09a30
Reviewed-on: https://go-review.googlesource.com/c/go/+/498397
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2023-05-25 22:02:08 +00:00
Ian Lance Taylor
ee6b9dd47f doc/go1.21: merge x/exp/slices issue into slices package
For #57348

Change-Id: I84943711b033d63f0993133f93d9f09ce2af5965
Reviewed-on: https://go-review.googlesource.com/c/go/+/498395
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2023-05-25 21:41:53 +00:00
Robert Griesemer
f9d114d0e8 spec: document min and max built-ins
For #59488.

Change-Id: I50f65216bf02b42c1e0619702833f4a6dbed8925
Reviewed-on: https://go-review.googlesource.com/c/go/+/498136
Reviewed-by: Rob Pike <r@golang.org>
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2023-05-25 21:09:38 +00:00
Eli Bendersky
01b5cce626 doc: add release notes for additions to the slices package
Updates #60091

Change-Id: I7438811f4e41a2977acbb5ac74c22a02c28c6597
Reviewed-on: https://go-review.googlesource.com/c/go/+/498175
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2023-05-25 21:01:03 +00:00
Robert Griesemer
15a4e0d970 spec: re-order built-ins sections alphabetically (more or less)
Put the sections for the various built-ins into alphabetical order
based on the built-in name, while keeping built-ins that belong
together together.

The order is now (captialized letter determines order):

- Append
- Clear
- Close
- Complex, real, imag
- Delete
- Len, cap
- Make
- Min, max (to be inserted here)
- New
- Panic, recover
- Print, println

There are some white space adjustments but no changes to the prose
of the moved sections.

Change-Id: Iaec509918c6bc965df3f28656374de03279bdc9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/498135
Reviewed-by: Robert Griesemer <gri@google.com>
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2023-05-24 22:24:59 +00:00
Brad Fitzpatrick
9b41418074 cmd/go/internal/cache: use internal/godebug for three GODEBUGs
And register/document them.

Change-Id: If0f1cf3c09230e0f63d03c52e56e51a030468ab2
Reviewed-on: https://go-review.googlesource.com/c/go/+/487655
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2023-05-24 22:05:27 +00:00
Michael Anthony Knyszek
97f56645e2 doc: add release note for runtime/metrics additions
For #56857.

Change-Id: I03bdba906d271d97ce29874c50d5aba55dc285b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/498075
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2023-05-24 21:47:00 +00:00
Michael Anthony Knyszek
b03d12176d doc: write various runtime-related release notes
This includes release notes for several small runtime changes, including
runtime/trace and runtime package changes.

For #58645.

Change-Id: I3e9c804da1bb6b385088e16a20d9576c11098021
Reviewed-on: https://go-review.googlesource.com/c/go/+/497095
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2023-05-23 17:30:52 +00:00
Jonathan Amsterdam
858c61b57e doc: add slog to release notes
Updates #58645

Change-Id: Ice8f115f00c62dcffd0c7b78bb8a7d66d832075d
Reviewed-on: https://go-review.googlesource.com/c/go/+/496194
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2023-05-22 00:43:01 +00:00
Alan Donovan
3ca52f4c31 slices: add in-place Reverse function
Fixes #58565

Change-Id: I583f8380c12386178fb18e553322bbb019d9fae0
Reviewed-on: https://go-review.googlesource.com/c/go/+/468855
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2023-05-19 00:43:02 +00:00
Heschi Kreinick
38ae922b9b doc: add TODOs to go1.21
Generated with relnote. I did my best to put things where they made
sense, but some weren't obvious, like the Unicode upgrade and backward
compatibility stuff.

For #58645.

Change-Id: Ic3cd9ef32cec7591ace4d2df1da40e4afd97d083
Reviewed-on: https://go-review.googlesource.com/c/go/+/496316
Auto-Submit: Heschi Kreinick <heschi@google.com>
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2023-05-18 22:21:11 +00:00
Cherry Mui
33a601bf7d doc/go1.21: fix HTML formatting
Fix formatting mistakes in my previous CLs -- a missing code tag
and a broken comment tag.

Change-Id: I7f558f59b4e8fe9cb398d0093e5389b968d89eb3
Reviewed-on: https://go-review.googlesource.com/c/go/+/496115
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2023-05-18 13:41:27 +00:00
Cherry Mui
0b86a04db0 doc/go1.21: document that -pgo=auto enabled by default
Updates #58099.

Change-Id: I95c0397add696f677c86ab7618482e07eb4e9fda
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2023-05-17 22:11:31 +00:00
Cherry Mui
16a0b7fddb doc/go1.21: document wasip1 port
Updates #58141.

Change-Id: Iad11e7880efb37e9a1e17daf48d36b886725f75d
Reviewed-on: https://go-review.googlesource.com/c/go/+/495476
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2023-05-17 17:04:07 +00:00
Cherry Mui
51fe7062d3 doc/go1.21: document reflect.Value escape improvements
With CL 408826, CL 413474, etc. reflect.ValueOf no longer
unconditionally escapes its argument, allowing a Value's content
to be allocated on the stack.

Change-Id: I3a0af85c11e2fd0df42b056095565f0ce5548886
Reviewed-on: https://go-review.googlesource.com/c/go/+/494657
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2023-05-16 21:37:42 +00:00
Sameer Ajmani
1d00dc3985 doc: fix typo in Go 1.21 release notes
Change-Id: Ib32567fdd12079cd171a4e1bc118ce27d8ce2a5d
Reviewed-on: https://go-review.googlesource.com/c/go/+/488035
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2023-04-24 18:13:34 +00:00
Damien Neil
b4b70a4617 doc: add release notes for new context functions
For #40221
For #56661
For #57928

Change-Id: Iaf7425bb26eeb9c23235d13c786d5bb572159481
Reviewed-on: https://go-review.googlesource.com/c/go/+/486535
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2023-04-20 13:01:21 +00:00
Daniel Frederick Crisman
e7b04a3e16 doc: correct spelling on placeholder
"placeholder" (no space) is already used in the spec and seems to be
the preferred option.

Removed space from "place holder".

Change-Id: I9b98f62f0e3f5adb019b99f5271cc9d19abf505e
GitHub-Last-Rev: ed5aaf9d02
GitHub-Pull-Request: golang/go#59626
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2023-04-13 23:15:09 +00:00
Daniel Frederick Crisman
6e8eec7328 doc: add missing oxford comma in Constants
In the language specification under "Constants" the lists matching default
types to untyped contstant types is missing an Oxford comma in the first
list. I found a number of other places in the spec and #23442 that use the
Oxford comma to support its use.

Add missing Oxford comma in Constants default type list.

Change-Id: I4562d692610334bc82452db076145d2414617a04
GitHub-Last-Rev: 8acdb60d6e
GitHub-Pull-Request: golang/go#59528
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2023-04-11 17:02:02 +00:00
cui fliter
df6d442c38 doc: fix "are" to "or" in core types
Fixes #59506

Change-Id: I2f8b92e93b706b061ca0eb0bd52e5cf798ce9ede
Reviewed-on: https://go-review.googlesource.com/c/go/+/483358
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2023-04-11 01:45:40 +00:00
Michael Anthony Knyszek
0d719823af html/template,mime/multipart: document new GODEBUG settings
This change documents the new GODEBUG settings introduced for
html/template and mime/multipart, released with Go 1.19.8 and Go 1.20.3
as part of a security fix.

Updates #59153.
Updates #59234.

Change-Id: I25f4d8245da3301dccccfb44da8ff1a5985392a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/482238
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2023-04-05 15:42:48 +00:00
Russ Cox
45eded3afd doc: fix template mistake in godebug.md
This file is itself template input, so have to hide the template
in the go command example.

Change-Id: Ifc4eaff35ca8dc2fb479f8e28d64c06b2a9c9d3b
Reviewed-on: https://go-review.googlesource.com/c/go/+/480995
Run-TryBot: Russ Cox <rsc@golang.org>
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2023-04-03 17:06:45 +00:00
Austin Clements
bb44c2b54e sync: implement OnceFunc, OnceValue, and OnceValues
This adds the three functions from #56102 to the sync package. These
provide a convenient API for the most common uses of sync.Once.

The performance of these is comparable to direct use of sync.Once:

$ go test -run ^$ -bench OnceFunc\|OnceVal -count 20 | benchstat -row .name -col /v
goos: linux
goarch: amd64
pkg: sync
cpu: 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz
          │     Once     │                Global                 │                Local                 │
          │    sec/op    │    sec/op     vs base                 │    sec/op     vs base                │
OnceFunc    1.3500n ± 6%   2.7030n ± 1%  +100.22% (p=0.000 n=20)   0.3935n ± 0%  -70.86% (p=0.000 n=20)
OnceValue   1.3155n ± 0%   2.7460n ± 1%  +108.74% (p=0.000 n=20)   0.5478n ± 1%  -58.35% (p=0.000 n=20)

The "Once" column represents the baseline of how code would typically
express these patterns using sync.Once. "Global" binds the closure
returned by OnceFunc/OnceValue to global, which is how I expect these
to be used most of the time. Currently, this defeats some inlining
opportunities, which roughly doubles the cost over sync.Once; however,
it's still *extremely* fast. Finally, "Local" binds the returned
closure to a local variable. This unlocks several levels of inlining
and represents pretty much the best possible case for these APIs, but
is also unlikely to happen in practice. In principle the compiler
could recognize that the global in the "Global" case is initialized in
place and never mutated and do the same optimizations it does in the
"Local" case, but it currently does not.

Fixes #56102

Change-Id: If7355eccd7c8de7288d89a4282ff15ab1469e420
Reviewed-on: https://go-review.googlesource.com/c/go/+/451356
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Reviewed-by: Caleb Spare <cespare@gmail.com>
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2023-03-31 20:01:17 +00:00
Russ Cox
a7fd2fab0e doc: add godebug.md, documenting GODEBUG
Document the changes to GODEBUG implemented as
part of proposal #56986.

Fixes #56986.

Change-Id: I23153a123e23820c5b22db4767620e037bbdd083
Reviewed-on: https://go-review.googlesource.com/c/go/+/462202
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2023-03-31 16:05:14 +00:00
Austin Clements
9eba17ff90 runtime: for deep stacks, print both the top 50 and bottom 50 frames
This is relatively easy using the new traceback iterator.

Ancestor tracebacks are now limited to 50 frames. We could keep that
at 100, but the fact that it used 100 before seemed arbitrary and
unnecessary.

Fixes #7181
Updates #54466

Change-Id: If693045881d84848f17e568df275a5105b6f1cb0
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2023-03-21 19:14:14 +00:00
Than McIntosh
cad872f75a doc: start draft Go 1.21 release notes
This initial release notes template is based on previous releases.

For #58645.

Change-Id: I8bae25d6dd9778a69963b8b4903a6dc1c180e15f
Reviewed-on: https://go-review.googlesource.com/c/go/+/470296
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2023-02-22 18:53:00 +00:00
Cuong Manh Le
99bc53f5e8 doc: add clear builtin to spec
Fixes #56351

Change-Id: Ia87bf594553b7d0464b591106840f849571c5f39
Reviewed-on: https://go-review.googlesource.com/c/go/+/467755
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2023-02-20 02:28:50 +00:00
Cuong Manh Le
2baf8ad831 doc: do not use "==" in slice examples
There's no slice comparison in Go.

Change-Id: I5de1766c2adeb56ed12a577a4c46c12b2582b1c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/469015
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2023-02-19 23:51:51 +00:00
Cuong Manh Le
135c470b22 doc: add missing builtin functions not permitted in statement context
The typechecker already enforces this semantic, but the spec is not
updated when unsafe.{SliceData,String,StringData} were added.

Change-Id: I4ee8c564d5681b2a5fd31ff424a31bdf065d9f3b
Reviewed-on: https://go-review.googlesource.com/c/go/+/467756
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2023-02-16 19:49:55 +00:00
Oleksandr Redko
f63ee8b2c7 doc: fix spec typo
Change-Id: I5e3aca2b8fc78f38c9e2cdc67adf86d57ac85b1c
GitHub-Last-Rev: 0e5ddffe33
GitHub-Pull-Request: golang/go#58353
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2023-02-07 23:37:57 +00:00
Michael Anthony Knyszek
0a27a45896 doc: move Go 1.20 release notes to x/website
Now that the development of the Go 1.20 release is almost done, its
release notes are moved to their eventual long-term home in x/website
in CL 464075. Delete the initial development copy here.

For golang/go#54202.

Change-Id: Ia402d1abd4539fbce415e2a7dffd6709186f08a7
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2023-01-30 21:10:03 +00:00
Russ Cox
aa51c40b1c runtime: replace panic(nil) with panic(new(runtime.PanicNilError))
Long ago we decided that panic(nil) was too unlikely to bother
making a special case for purposes of recover. Unfortunately,
it has turned out not to be a special case. There are many examples
of code in the Go ecosystem where an author has written panic(nil)
because they want to panic and don't care about the panic value.

Using panic(nil) in this case has the unfortunate behavior of
making recover behave as though the goroutine isn't panicking.
As a result, code like:

	func f() {
		defer func() {
			if err := recover(); err != nil {
				log.Fatalf("panicked! %v", err)
			}
		}()
		call1()
		call2()
	}

looks like it guarantees that call2 has been run any time f returns,
but that turns out not to be strictly true. If call1 does panic(nil),
then f returns "successfully", having recovered the panic, but
without calling call2.

Instead you have to write something like:

	func f() {
		done := false
		defer func() {
			if err := recover(); !done {
				log.Fatalf("panicked! %v", err)
			}
		}()
		call1()
		call2()
		done = true
	}

which defeats nearly the whole point of recover. No one does this,
with the result that almost all uses of recover are subtly broken.

One specific broken use along these lines is in net/http, which
recovers from panics in handlers and sends back an HTTP error.
Users discovered in the early days of Go that panic(nil) was a
convenient way to jump out of a handler up to the serving loop
without sending back an HTTP error. This was a bug, not a feature.
Go 1.8 added panic(http.ErrAbortHandler) as a better way to access the feature.
Any lingering code that uses panic(nil) to abort an HTTP handler
without a failure message should be changed to use http.ErrAbortHandler.

Programs that need the old, unintended behavior from net/http
or other packages can set GODEBUG=panicnil=1 to stop the run-time error.

Uses of recover that want to detect panic(nil) in new programs
can check for recover returning a value of type *runtime.PanicNilError.

Because the new GODEBUG is used inside the runtime, we can't
import internal/godebug, so there is some new machinery to
cross-connect those in this CL, to allow a mutable GODEBUG setting.
That won't be necessary if we add any other mutable GODEBUG settings
in the future. The CL also corrects the handling of defaulted GODEBUG
values in the runtime, for #56986.

Fixes #25448.

Change-Id: I2b39c7e83e4f7aa308777dabf2edae54773e03f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/461956
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2023-01-19 22:21:50 +00:00
Joe Tsai
9894ded194 time: revert strict parsing of RFC 3339
CL 444277 fixed Time.UnmarshalText and Time.UnmarshalJSON to properly
unmarshal timestamps according to RFC 3339 instead of according
to Go's bespoke time syntax that is a superset of RFC 3339.

However, this change seems to have broken an AWS S3 unit test
that relies on parsing timestamps with single digit hours.
It is unclear whether S3 emits these timestamps in production or
whether this is simply a testing artifact that has been cargo culted
across many code bases. Either way, disable strict parsing for now
and re-enable later with better GODEBUG support.

Updates #54580

Change-Id: Icced2c7f9a6b2fc06bbd9c7e90f90edce24c2306
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2023-01-18 19:59:26 +00:00
Filippo Valsorda
d74c31f0ba doc/go1.20: update cryptography release notes
Change-Id: I5d6d2bd5cbb246ea514e5adbe936fb31b92904af
Reviewed-on: https://go-review.googlesource.com/c/go/+/459978
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2023-01-17 18:01:38 +00:00
Russ Cox
66689c7d46 doc/go1.20: remove mention of arena goexperiment
The arena goexperiment contains code used inside Google in very
limited use cases that we will maintain, but the discussion on #51317
identified serious problems with the very idea of adding arenas to the
standard library. In particular the concept tends to infect many other
APIs in the name of efficiency, a bit like sync.Pool except more
publicly visible.

It is unclear when, if ever, we will pick up the idea and try to push
it forward into a public API, but it's not going to happen any time
soon, and we don't want users to start depending on it: it's a true
experiment and may be changed or deleted without warning.

The arena text in the release notes makes them seem more official
and supported than they really are, and we've already seen a couple
blog posts based on that erroneous belief. Delete the text to try to
set expectations better.

Change-Id: I4f6e328ac470a9cd410f5f722d0769ef62d5e5ba
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2023-01-17 15:26:07 +00:00
Austin Clements
16cec4e7a0 doc/go1.20: mention build speed improvements
For #49569.
For #54202.

Change-Id: Iac45338bc4e45617e8ac7425076cf4cd0af157a4
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2023-01-13 16:42:47 +00:00
Piers
bae7d772e8 doc/go1.20: fix links to new strings functions
Links under strings package were linking to the bytes versions of the functions.

Change-Id: If6ebe37fede8e417f8683695783aa767bc01e9c7
GitHub-Last-Rev: 8849285122
GitHub-Pull-Request: golang/go#57579
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2023-01-04 21:15:31 +00:00
Alexander Yastrebov
d03231d9ce doc/go1.20: fix http.ResponseController example
Fixes #57162

Change-Id: I190810d702e503822265b12c56db69ec1093233c
GitHub-Last-Rev: e8b259d4b3
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2023-01-03 18:53:52 +00:00
Xiao Cui
db36eca33c doc/go1.20: fix typos
Change-Id: Ie2e583cba9e9bec7d642e323e77fb2d9b05dc7bc
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2022-12-29 23:36:05 +00:00
Tobias Klauser
13ed4f42f0 doc/go1.20: fix typo
Change-Id: Ia0ce728ca18eefd835220b2076c4aa8ba00cda6d
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2022-12-22 00:19:49 +00:00
Robert Griesemer
628a1e7d3a doc/go1.20: fix typo
Change-Id: Icddf980e533b86ca955660ad028f5ad04b6aecbe
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2022-12-15 17:45:34 +00:00
Robert Griesemer
357ea85892 spec: fix typo
Fixes #57323.

Change-Id: I77d3d747aa4746bb9a8cca0c0500ff8fa6ae33a3
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2022-12-15 16:18:42 +00:00
Robert Griesemer
ea14d1b6e1 spec: document which recursive arrays and structs are valid/invalid
Fixes #5069.

Change-Id: I4bc0f52a9cd1e64a49846dffeb4be5cbecc29a96
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2022-12-14 22:29:38 +00:00
Heschi Kreinick
0b8add46ce doc/go1.20.html: pre-announce dropping Windows 7, 8, and friends
For #57003, #57004.

Change-Id: Ic1386a0ce83897411fbc68c83a9125af1cc11b54
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2022-12-14 21:01:46 +00:00
Robert Griesemer
5c682f94c6 spec: document illegal recursive type parameter lists
Fixes #40882.

Change-Id: I90f99d75e6d66f857b6ab8789c6d436f85d20993
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2022-12-14 19:13:24 +00:00
Robert Griesemer
bd42aa86d3 spec: describe new semantics for comparable and constraint satisfaction
For #56548.
Fixes #57012.

Change-Id: I44f850522e52b1811025fb31bcef289da8f8089d
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2022-12-14 19:13:10 +00:00
Robert Griesemer
ffefcd360b spec: introduce notion of strict comparability
- Rephrase the notion of "comparability" from a property
  of values (operands) to a property of types and adjust
  dependent prose.
- Introduce the notion of "strict comparability".
- Fix the definitions of comparability for type interfaces
  and type parameters.
- Define the predeclared identifier "comparable" as stricly
  comparable.

These changes address existing problems in the spec as outlined
in the section on "Related spec issues" in issue #56548.

For #56548.

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2022-12-14 19:12:15 +00:00
Alexander Frolov
6b895d9eaa doc/go1.20: fix typo
Change-Id: Id0319a9cc9acc549022fdcd6b7d71c7343afd245
GitHub-Last-Rev: 2b84d25763
GitHub-Pull-Request: golang/go#57187
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2022-12-12 14:20:13 +00:00
Shengyu Zhang
5dca7ed66f doc/go1.20: fix URL anchor
The URL anchor was invalid. Add the missing "array_or_" part.

Change-Id: Ib27f4d0f21b0148bea8b63ef962ba0ea30166ed3
GitHub-Last-Rev: f8addc6078
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2022-12-12 14:15:22 +00:00
Than McIntosh
e76c87b191 doc: fix typo in 1.20 release notes
Fix typo.

Change-Id: Id3a78ac5d8ea429ba1685889cd1661aaca8572c5
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2022-12-09 10:49:03 +00:00
Zhizhen He
8247b9f17a doc: fix typo
Change-Id: Ie639fe39b83336c0d885cdcb2fddc06f2b06c2dd
GitHub-Last-Rev: b5cc78ad42
GitHub-Pull-Request: golang/go#57082
Reviewed-on: https://go-review.googlesource.com/c/go/+/455196
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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2022-12-08 19:06:14 +00:00
Dmitri Shuralyov
f368abb46e doc/go1.20: correct test binary -v flag value for test2json
The -v flag value is "test2json", not "json", since it emits output
in a custom format that the cmd/test2json tool interprets.
The cmd/test2json documentation and implementation have this right.

For #54202.

Change-Id: I2b52861d926e14488aa9fc89fff8c26da32ca710
Reviewed-on: https://go-review.googlesource.com/c/go/+/456124
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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2022-12-08 18:29:35 +00:00
Michael Pratt
3ec5085eac doc/go1.20: delete remaining TODO
This section is complete.

For #54202.

Change-Id: I304cc55a5b8ed53e8b8dff73a5feb5ef39207846
Reviewed-on: https://go-review.googlesource.com/c/go/+/455895
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
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2022-12-07 16:49:08 +00:00
Than McIntosh
f715d28cea doc/go1.20: add section on coverage
Add some basic material on the changes to code coverage testing
to the release notes.

For #54202.

Change-Id: I28200d43b4952ce8e8ecf46c8fe8e97c81d245e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/453857
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Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2022-12-07 16:26:42 +00:00
Russ Cox
a4a86c7b24 doc/go1.20: relnote and take care of TODOs
The main change here is documenting the last-minute addition types.Satisfies.

Change-Id: I8be2d2ad730ba108706bd849b68cbd1f4d68a4b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/455698
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
2022-12-07 14:20:49 +00:00
David Chase
b45cb0ce86 doc: 1.20 compiler changes
This adds the nonPGO, non-coverage compiler changes
for the 1.20 release.  There's not that much user
visible change.

For #54202.

Change-Id: Ib2964ed5f7e73bb89c720d09b868ab79682f5070
Reviewed-on: https://go-review.googlesource.com/c/go/+/454536
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Reviewed-by: Keith Randall <khr@golang.org>
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2022-12-05 19:25:34 +00:00
Heschi Kreinick
7ab3615315 doc/go1.20: preannounce dropping macOS 10.13 and 10.14 support
For #23011.

Change-Id: I386920928a98403180098f1da5ea7696a239210e
Reviewed-on: https://go-review.googlesource.com/c/go/+/454957
Auto-Submit: Heschi Kreinick <heschi@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
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2022-12-02 22:24:00 +00:00
Roland Shoemaker
3e2ab204a3 doc/go1.20: resolve root bundle package TODO
We're unlikely to get this package out of the door all that soon. For
now add a note that SetFallbackRoots will be most commonly used with
an TBA package, and link the tracking issue.

We could also just remove the "It will most commonly be used ..."
sentence.

Change-Id: Ie96134d757f5b4c69f1878d53c92b5ed602671e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/454056
Reviewed-by: Julie Qiu <julieqiu@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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2022-12-02 18:13:17 +00:00
Tobias Klauser
c71d3a0f50 doc/go1.20: add code tags in crypto/{rsa,subtle} and net/netip sections
Change-Id: I516195fb1c2434feb3bf130d37012a98d77beeb6
Reviewed-on: https://go-review.googlesource.com/c/go/+/454235
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2022-12-01 21:01:03 +00:00
Cuong Manh Le
86963b458e doc: add release note for cgo.Incomplete
Updates #46731

Change-Id: Ie64e87d759c48642582342d221b24f77bb81d47a
Reviewed-on: https://go-review.googlesource.com/c/go/+/453556
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-12-01 21:00:41 +00:00
Robert Griesemer
cc1771e2fd doc/go1.20: document new semantics for comparable constraint
For #54202.
For #56548.

Change-Id: If2b9e41813c3e1c8d373469a40e1bd0bd5ea2b16
Reviewed-on: https://go-review.googlesource.com/c/go/+/454595
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2022-12-01 20:58:25 +00:00
Michael Anthony Knyszek
85ce1fd97f doc/go1.20: add runtime, runtime/trace, and runtime/pprof release notes
This change adds release notes for the "Runtime" section and updated
some of the release notes for runtime/trace and runtime/pprof after I
looked at the full list of runtime-related changes.

For #54202.

Change-Id: Id1395f4e6e02d3fcc248855ca98ad0ee26cae574
Reviewed-on: https://go-review.googlesource.com/c/go/+/454075
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2022-11-30 19:32:42 +00:00
Tim King
60525dc31d spec: document conversion from slice to array
Document that a slice can be converted to either an array or a pointer
to an array of a matching underlying array type. This was documented in
the "Conversions from slice to array or array pointer" subsection, but
not in the list of conversion rules.

Updates #46505.

Change-Id: I16a89a63ef23c33580129952415e977a8f334009
Reviewed-on: https://go-review.googlesource.com/c/go/+/452936
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2022-11-30 17:03:21 +00:00
Cherry Mui
53c480077a doc/go1.20: revise linker release note
I misunderstood CL 420774. We didn't remove GO_LDSO, just that
make.bash no longer tries to set it automatically. If GO_LDSO is
explicitly set at make.bash, it is still used as the default
dynamic interpreter.

For #54202.

Change-Id: Ided775438b8e4b87a6acd9bc87657657dbd3d91c
Reviewed-on: https://go-review.googlesource.com/c/go/+/453601
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2022-11-29 18:26:16 +00:00
Cherry Mui
8c0f9ed4ce doc/go1.20: quote code in Bootstrap and Cgo sections
Add code tag for environment variables and file paths in the
Bootstrap section.

Add code tag for packages in the Cgo section.

Change-Id: Ib0fad1c09fbc497a097ef43cbf5850a27b9a6532
Reviewed-on: https://go-review.googlesource.com/c/go/+/453621
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2022-11-29 15:41:40 +00:00
Cherry Mui
a4772376af doc/go1.20: add release notes for the linker
For #54202.

Change-Id: I06d7a44fb24427d783a9f57368dccce219b217bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/453620
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2022-11-28 23:32:35 +00:00
Cherry Mui
318e75bb7c doc/go1.20: add release notes for PGO
For #54202.
For #55022.

Change-Id: Ia3183e48536fa707c091094880d52fb75e7f6666
Reviewed-on: https://go-review.googlesource.com/c/go/+/453636
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2022-11-28 23:32:00 +00:00
Tobias Klauser
0f28c478b2 doc/go1.20: fix missing <code> tag
Change-Id: I9c6f9ec28dbe038ddc195310a32d97d5b2a28ef5
Reviewed-on: https://go-review.googlesource.com/c/go/+/453695
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2022-11-28 17:25:47 +00:00
Russ Cox
9f0ffc9380 doc/go1.20: fix missing </code> tag
Change-Id: I8767696a62d8a814c7ed94abfd4b99ca0cab31f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/453635
Auto-Submit: Russ Cox <rsc@golang.org>
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2022-11-28 16:53:09 +00:00
Russ Cox
76ec47eeec doc/go1.20: complete, add more library TODOs
Finish all standard library TODOs, including additions
flagged by another run of relnote.

Change-Id: Ib9d22672b13b9775a98262d645aaf1d54e7494df
Reviewed-on: https://go-review.googlesource.com/c/go/+/453295
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2022-11-28 16:06:53 +00:00
Brad Fitzpatrick
cc7530daa1 doc/go1.20: fix HTML closing tag
Change-Id: I7e2519601bfe1a59a48e240ff67868b1d74d55d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/453516
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Auto-Submit: Brad Fitzpatrick <bradfitz@golang.org>
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2022-11-28 15:02:55 +00:00
qmuntal
ff18af8401 doc/go1.20: document changes to os on Windows
This CL documents the changes introduced by
https://go-review.googlesource.com/c/go/+/405275.

Change-Id: I541712d65f2823ecdf606c5b91035cde55ecdac6
Reviewed-on: https://go-review.googlesource.com/c/go/+/452735
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2022-11-23 23:05:49 +00:00
Russ Cox
036696a2ea doc/go1.20: finish most standard library TODOs
Change-Id: Id8f074b96d28ae37a3d2d2a52a2b80cc53cd1203
Reviewed-on: https://go-review.googlesource.com/c/go/+/452760
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2022-11-23 20:07:39 +00:00
Russ Cox
109de31a1e doc/go1.20: document new freebsd/riscv64 port
Change-Id: I3931b84466f1ded9eecd8b70373ee183268a87a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/452759
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2022-11-23 19:37:35 +00:00
Russ Cox
0e0b1cddf2 doc/go1.20: add hyperlinks, minor edits
Add links to all significant documentation symbols.
Fix or improve wording a few places.

Change-Id: I53277125eb75a8223a7464136e99accdb46744b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/452757
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2022-11-23 19:37:17 +00:00
Russ Cox
a16f4175b5 doc/go1.20: document spec changes
Change-Id: I2e35bddfe20c96a8dc0ab187286aaf543ff66164
Reviewed-on: https://go-review.googlesource.com/c/go/+/452758
Reviewed-by: Robert Griesemer <gri@google.com>
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2022-11-23 19:35:31 +00:00
Tim King
4c0c0e5d9c doc/go1.20: document adding to the timeformat vet analysis
Address the release notes TODO regarding the timeformat analyzer.

Change-Id: Ic132569d84d6e00eeed4ea49f2467e09af4b0756
Reviewed-on: https://go-review.googlesource.com/c/go/+/452915
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2022-11-23 18:23:24 +00:00