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4 years agodoc/go1.14: crypto/tls.Config.NameToCertificate is deprecated
Ian Lance Taylor [Thu, 25 Jun 2020 23:39:56 +0000 (16:39 -0700)]
doc/go1.14: crypto/tls.Config.NameToCertificate is deprecated

Also crypto/tls.Config.BuildNameToCertificate.

Note that this field and method were deprecated in the Go 1.14 release,
so this change is to the 1.14 release notes.

Fixes #37626

Change-Id: If8549bc746f42a93f1903439e1b464b3e81e2c19
Reviewed-on: https://go-review.googlesource.com/c/go/+/240005
Reviewed-by: Filippo Valsorda <filippo@golang.org>
4 years agoruntime: don't preempt if preemption is disabled
Cherry Zhang [Fri, 26 Jun 2020 15:57:08 +0000 (11:57 -0400)]
runtime: don't preempt if preemption is disabled

If asyncpreemptoff is set, don't preempt upon receiving a SIGURG.

Fixes #38531.

Change-Id: I6d9a828b45c199d3e479cbdfe17a896a40d540f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/240121
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agodoc/go1.15: fix bad link to crypto/tls
Alberto Donizetti [Fri, 26 Jun 2020 16:24:15 +0000 (18:24 +0200)]
doc/go1.15: fix bad link to crypto/tls

Change-Id: Ie81579cbb1873349a91280f5aebe59624fcb1ef8
Reviewed-on: https://go-review.googlesource.com/c/go/+/240157
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
4 years agocrypto/x509: move and update the SSL_CERT_FILE and SSL_CERT_DIR docs
Filippo Valsorda [Wed, 24 Jun 2020 20:49:05 +0000 (16:49 -0400)]
crypto/x509: move and update the SSL_CERT_FILE and SSL_CERT_DIR docs

Fixes #37907

Change-Id: Ia077de6dcc74ed761d278eab4efbf45e151429b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/239747
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocmd/compile: remove check that Zero's arg has the correct base type
Keith Randall [Thu, 25 Jun 2020 03:59:18 +0000 (20:59 -0700)]
cmd/compile: remove check that Zero's arg has the correct base type

It doesn't have to. The type in the aux field is authoritative.
There are cases involving casting from interface{} where pointers
have a placeholder pointer type (because the type is not known when
the IData op is generated).

The check was introduced in CL 13447.

Fixes #39459

Change-Id: Id77a57577806a271aeebd20bea5d92d08ee7aa6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/239817
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
4 years agoos: return *PathError error in File.Sync on Plan 9
Fazlul Shahriar [Thu, 25 Jun 2020 05:15:42 +0000 (01:15 -0400)]
os: return *PathError error in File.Sync on Plan 9

File.Sync was returning *SyscallError instead of *PathError on Plan 9.
Adjust the error type to match other systems.

Fixes #39800

Change-Id: I844e716eb61c193ef78d29cb0b4a3ef790bb3320
Reviewed-on: https://go-review.googlesource.com/c/go/+/239857
Reviewed-by: David du Colombier <0intro@gmail.com>
4 years agodoc/go1.15: mention consequence of os.File.ReadFrom
Ian Lance Taylor [Fri, 19 Jun 2020 05:43:36 +0000 (22:43 -0700)]
doc/go1.15: mention consequence of os.File.ReadFrom

Now that we've added a os.File.ReadFrom method, io.CopyBuffer to a
os.File will no longer use the provided buffer.

For #16474
For #36817
For #37419

Change-Id: I79a3bf778ff93eab88e88dd9ecbb8c7ea101e868
Reviewed-on: https://go-review.googlesource.com/c/go/+/238864
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/faq: fix a grammar mistake
Kerollos Magdy [Tue, 23 Jun 2020 10:45:36 +0000 (10:45 +0000)]
doc/faq: fix a grammar mistake

Change-Id: Ifa060f5f91d7b964eb180465245104411310d423
GitHub-Last-Rev: cd1862f2ca721a4f3d4ede7bcb3e7759ce96c6d5
GitHub-Pull-Request: golang/go#39780
Reviewed-on: https://go-review.googlesource.com/c/go/+/239388
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agonet: consistently document deadline handling
Ian Lance Taylor [Wed, 24 Jun 2020 21:47:41 +0000 (14:47 -0700)]
net: consistently document deadline handling

After CL 228645 some mentions of the Deadline methods referred
to the Timeout method, and some to os.ErrDeadlineExceeded.
Stop referring to the Timeout method, to encourage ErrDeadlineExceeded.

For #31449

Change-Id: I27b8ff34f31798f38b06437546886af8cce98ca4
Reviewed-on: https://go-review.googlesource.com/c/go/+/239705
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agocrypto/tls: replace VerifyPeerCertificate example with VerifyConnection
Filippo Valsorda [Tue, 23 Jun 2020 21:19:01 +0000 (17:19 -0400)]
crypto/tls: replace VerifyPeerCertificate example with VerifyConnection

Look at how much better it is!

Updates #36736

Change-Id: I53a314a103a42dd869c05823fa50f37d70f9d283
Reviewed-on: https://go-review.googlesource.com/c/go/+/239560
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocrypto/tls: expand the ConnectionState docs
Filippo Valsorda [Wed, 24 Jun 2020 18:27:32 +0000 (14:27 -0400)]
crypto/tls: expand the ConnectionState docs

Fixes #37572

Change-Id: I493392f535a979ee16609861041da2ecfe21cf77
Reviewed-on: https://go-review.googlesource.com/c/go/+/239744
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocrypto/tls: fix DialContext docs
Filippo Valsorda [Wed, 24 Jun 2020 18:29:20 +0000 (14:29 -0400)]
crypto/tls: fix DialContext docs

Change-Id: I58e3febbf63049bebb4f8ed8893288183c8aaccd
Reviewed-on: https://go-review.googlesource.com/c/go/+/239745
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocrypto/x509: restore support for ios tag on darwin/amd64
Filippo Valsorda [Wed, 24 Jun 2020 16:59:10 +0000 (12:59 -0400)]
crypto/x509: restore support for ios tag on darwin/amd64

Fixes #38710

Change-Id: I9b210e95fd997ff53ec704c5f61110045aaa94bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/239559
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocrypto/x509: update bundled iOS roots and rewrite generator
Filippo Valsorda [Tue, 23 Jun 2020 19:04:46 +0000 (15:04 -0400)]
crypto/x509: update bundled iOS roots and rewrite generator

Switched the generator to using the open source releases of the root
store rather than HTML parsing, while trying to emulate the sorting
algorithm of the table to reduce churn.

Updates #38843

Change-Id: I78608d245eabc2a35c2f98635ed5f1a531ad2ba8
Reviewed-on: https://go-review.googlesource.com/c/go/+/239557
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocrypto/elliptic: document and test that IsOnCurve(∞) == false
Filippo Valsorda [Tue, 23 Jun 2020 22:14:25 +0000 (18:14 -0400)]
crypto/elliptic: document and test that IsOnCurve(∞) == false

This also implies it can't be passed to Marshal.

Fixes #37294

Change-Id: I1e6b6abd87ff31f323486958d5cb34a5c8f76b5f
Reviewed-on: https://go-review.googlesource.com/c/go/+/239562
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocmd/link: skip zero values in fingerprint check
Cherry Zhang [Tue, 23 Jun 2020 16:02:54 +0000 (12:02 -0400)]
cmd/link: skip zero values in fingerprint check

Normally, packages are loaded in dependency order, and if a
Library object is not nil, it is already loaded with the actual
fingerprint. In shared build mode, however, packages may be added
not in dependency order (e.g. go install -buildmode=shared std
adds all std packages before loading them), and it is possible
that a Library's fingerprint is not yet loaded. Skip the check
in this case (when the fingerprint is the zero value).

Fixes #39777.

Change-Id: I66208e92bf687c8778963ba8e33e9bd948f82f3a
Reviewed-on: https://go-review.googlesource.com/c/go/+/239517
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
4 years agonet/http: document Dir behavior with symlinks
Katie Hockman [Thu, 18 Jun 2020 15:26:07 +0000 (11:26 -0400)]
net/http: document Dir behavior with symlinks

Based on CL 229377.

Change-Id: I016eec20672c909e8fabe799c277f4d2540fc555
Reviewed-on: https://go-review.googlesource.com/c/go/+/238698
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
4 years agotext/template: fix lint typo in VariableNode doc
Macks [Tue, 23 Jun 2020 00:09:26 +0000 (00:09 +0000)]
text/template: fix lint typo in VariableNode doc

Change-Id: I68b8c782478aa3e7adbd36a2de1c20b04e8c395b
GitHub-Last-Rev: 50f27197837e57e1d68b8905eaa66ea142bd45fc
GitHub-Pull-Request: golang/go#39622
Reviewed-on: https://go-review.googlesource.com/c/go/+/239383
Reviewed-by: Rob Pike <r@golang.org>
4 years agoruntime: fix comment about memequal implementation locations
Cholerae Hu [Tue, 9 Jun 2020 05:53:39 +0000 (13:53 +0800)]
runtime: fix comment about memequal implementation locations

Change-Id: I9ae3f462a6a6b3809de14b0d08f369524b636d57
Reviewed-on: https://go-review.googlesource.com/c/go/+/237097
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agosyscall: check secondary group membership for Faccessat(..., AT_EACCESS) on Linux
Tobias Klauser [Fri, 19 Jun 2020 08:41:44 +0000 (10:41 +0200)]
syscall: check secondary group membership for Faccessat(..., AT_EACCESS) on Linux

Follow glibc's implementation and check secondary group memberships
using Getgroups.

No test since we cannot easily change file permissions when not running
as root and the test is meaningless if running as root.

Same as CL 238722 did for x/sys/unix

Updates #39660

Change-Id: I6af50e27b255e33405558947a0ab3dfbc33b2d50
Reviewed-on: https://go-review.googlesource.com/c/go/+/238937
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agocmd/link: use sym.Symbol in addpersrc
Cherry Zhang [Thu, 18 Jun 2020 22:05:10 +0000 (18:05 -0400)]
cmd/link: use sym.Symbol in addpersrc

addpersrc is called very late, after we have converted to
sym.Symbols and various fields in loader representation have been
dropped. Use the Symbol representation there.

Fixes #39658.

Change-Id: I616e838655b6f01554644171317e2cc5cefabf39
Reviewed-on: https://go-review.googlesource.com/c/go/+/238779
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
4 years agocmd/dist: don't copy arm64 specific files for bootstap build
fanzha02 [Fri, 19 Jun 2020 03:19:22 +0000 (11:19 +0800)]
cmd/dist: don't copy arm64 specific files for bootstap build

This patch avoids copying cmd/compile/internal/ssa/flags_arm64_test.s.

Fixes #39701

Change-Id: I35d0567e2d3455faf28828c55a0b6d66a5be49e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/238679
Run-TryBot: fannie zhang <Fannie.Zhang@arm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agoruntime/trace: fix file name in example
Rodolfo Carvalho [Fri, 19 Jun 2020 15:31:25 +0000 (15:31 +0000)]
runtime/trace: fix file name in example

The preceding paragraph suggests the test run will produce a file called trace.out.
The same name, trace.out, is used in the output from go help testflag, thus we change the go test line instead of changing the preceding paragraph.

Change-Id: Ib1fa7e49e540853e263a2399b16040ea6f41b703
GitHub-Last-Rev: 3535e62bf8dd02dd9955a28e7fa9cca98de89efd
GitHub-Pull-Request: golang/go#39709
Reviewed-on: https://go-review.googlesource.com/c/go/+/238997
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
4 years agoruntime, syscall: use local cache for Setenv/Getenv in Plan 9
Richard Miller [Mon, 25 May 2020 09:30:23 +0000 (10:30 +0100)]
runtime, syscall: use local cache for Setenv/Getenv in Plan 9

In os.Getenv and os.Setenv, instead of directly reading and writing the
Plan 9 environment device (which may be shared with other processes),
use a local copy of environment variables cached at the start of
execution. This gives the same semantics for Getenv and Setenv as on
other operating systems which don't share the environment, making it
more likely that Go programs (for example the build tests) will be
portable to Plan 9.

This doesn't preclude writing non-portable Plan 9 Go programs which make
use of the shared environment semantics (for example to have a command
which exports variable definitions to the parent shell). To do this, use
  ioutil.ReadFile("/env/"+key) and
  ioutil.WriteFile("/env/"+key, value, 0666)
in place of os.Getenv(key) and os.Setenv(key, value) respectively.

Note that CL 5599054 previously added env cacheing, citing efficiency
as the reason. However it made the cache write-through, with Setenv
changing the shared environment as well as the cache (so not consistent
with Posix semantics), and Clearenv breaking the sharing of the
environment between the calling thread and other threads (leading to
unpredictable behaviour). Because of these inconsistencies (#8849),
CL 158970045 removed the cacheing again.

This CL restores cacheing but without write-through. The local cache is
initialised at start of execution, manipulated by the standard functions
in syscall/env_unix.go to ensure the same semantics, and exported only
when exec'ing a new program.

Fixes #34971
Fixes #25234
Fixes #19388
Updates #38772

Change-Id: I2dd15516d27414afaf99ea382f0e00be37a570c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/236520
Run-TryBot: David du Colombier <0intro@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Fazlul Shahriar <fshahriar@gmail.com>
Reviewed-by: David du Colombier <0intro@gmail.com>
4 years agoreflect: zero stack slots before writing to them with write barriers
Keith Randall [Thu, 18 Jun 2020 19:51:35 +0000 (12:51 -0700)]
reflect: zero stack slots before writing to them with write barriers

reflect.assignTo writes to the target using write barriers. Make sure
that the memory it is writing to is zeroed, so the write barrier does
not read pointers from uninitialized memory.

Fixes #39541

Change-Id: Ia64b2cacc193bffd0c1396bbce1dfb8182d4905b
Reviewed-on: https://go-review.googlesource.com/c/go/+/238760
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agocmd/compile: redo flag constant ops for arm64
Keith Randall [Tue, 16 Jun 2020 05:52:56 +0000 (22:52 -0700)]
cmd/compile: redo flag constant ops for arm64

Fixes the *noov opcodes so they handle a constant argument properly.

Most of the infrastructure for this CL is in CL 238077 (the arm32 one).

Fixes #39505

Change-Id: Id424a4e18964b848f05aa42f4d78e5f2e2cdf43b
Reviewed-on: https://go-review.googlesource.com/c/go/+/237999
Reviewed-by: Cherry Zhang <cherryyz@google.com>
4 years agocmd/compile: redo flag constant ops for arm
Keith Randall [Mon, 15 Jun 2020 21:43:02 +0000 (14:43 -0700)]
cmd/compile: redo flag constant ops for arm

Encode the flag results in an auxint field instead of having
one opcode per flag state. This helps us handle the new *noov
branches in a unified manner.

This is only for arm, arm64 is in a subsequent CL.

We could extend to other architectures as well, athough it would
only be cleanup, no behavioral change.

Update #39505

Change-Id: Ia46cea596faad540d1496c5915ab1274571543f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/238077
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
4 years agocmd/compile: mark s390x int <-> float conversions as clobbering flags
Michael Munday [Thu, 18 Jun 2020 12:25:07 +0000 (05:25 -0700)]
cmd/compile: mark s390x int <-> float conversions as clobbering flags

These conversion instructions set the condition code and so should
be marked as clobbering flags.

Fixes #39651.

Change-Id: I91cc9687ea70ef0551bb3139c1875071c349d43e
Reviewed-on: https://go-review.googlesource.com/c/go/+/238628
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
4 years agocmd/internal/obj/ppc64: update doc
Lynn Boger [Tue, 16 Jun 2020 17:40:03 +0000 (13:40 -0400)]
cmd/internal/obj/ppc64: update doc

This updates the ppc64 asm doc file, including information on
updates to the objdump, correcting information on operand order,
and adding some information on shifts.

Change-Id: Ib8ed53eac86c2121ea5b657c361ad92aae31cb32
Reviewed-on: https://go-review.googlesource.com/c/go/+/238237
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agoreflect: handling flagIndir in DeepEqual potential cycles
Ian Lance Taylor [Wed, 17 Jun 2020 04:57:43 +0000 (21:57 -0700)]
reflect: handling flagIndir in DeepEqual potential cycles

Fixes #39607

Change-Id: Ia7e597e0da8a193a25382cc633a1c6080b4f7cbf
Reviewed-on: https://go-review.googlesource.com/c/go/+/238361
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agodoc/go1.15: document new bufio.ErrBadReadCount
Ian Lance Taylor [Fri, 12 Jun 2020 22:40:56 +0000 (15:40 -0700)]
doc/go1.15: document new bufio.ErrBadReadCount

For #37419
For #38053

Change-Id: I206f360ff4957bc7edc3c35dfc814b7bd5ec440c
Reviewed-on: https://go-review.googlesource.com/c/go/+/237739
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agonet/rpc: clarify documention of Call.Done field
Ian Lance Taylor [Mon, 15 Jun 2020 22:02:54 +0000 (15:02 -0700)]
net/rpc: clarify documention of Call.Done field

Fixes #36116

Change-Id: I93909f2addee9a9435ad658e8b40eef966ce53fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/238078
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
4 years agoregexp/syntax: append patchLists in constant time
Andy Balholm [Mon, 15 Jun 2020 22:54:49 +0000 (15:54 -0700)]
regexp/syntax: append patchLists in constant time

By keeping a tail pointer, we can append to a patchList in constant
time, rather than in time proportional to the length of the list. This
gets rid of the quadratic compile times we were seeing for long series
of alternations.

This is basically the same change as
https://github.com/google/re2/commit/e9d517989f66f2e0a24cde42f4d2424dd3e4a9b9.

Fixes #39542.

Change-Id: Ib4ca0ca9c55abd1594df1984653c7d311ccf7572
Reviewed-on: https://go-review.googlesource.com/c/go/+/238079
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agonet/http: make Transport.RoundTrip preserve Requests
Damien Neil [Thu, 11 Jun 2020 20:30:23 +0000 (13:30 -0700)]
net/http: make Transport.RoundTrip preserve Requests

Ensure that the exact Request passed to Transport.RoundTrip
is returned in the Response. Do not replace the Request with
a copy when resetting the request body.

Fixes #39533

Change-Id: Ie6fb080c24b0f6625b0761b7aa542af3d2411817
Reviewed-on: https://go-review.googlesource.com/c/go/+/237560
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
4 years agocmd/compile: mark block control instruction unsafe in "all unsafe" functions
Cherry Zhang [Thu, 4 Jun 2020 19:41:45 +0000 (15:41 -0400)]
cmd/compile: mark block control instruction unsafe in "all unsafe" functions

Currently, for runtime functions and nosplit functions, it is
considered "all unsafe", meaning that the entire function body is
unsafe points. In the past, we didn't mark CALLs in such
functions unsafe, which is fixed in CL 230541. We also didn't
mark block control instructions (for mostly-empty blocks) unsafe.
This CL fixes it.

May fix #36110.

Change-Id: I3be8fdcef2b294e5367b31eb1c1b5e79966565fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/236597
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agobufio: test for exact error value in TestNegativeEOFReader and TestLargeReader
Dmitri Shuralyov [Tue, 16 Jun 2020 17:08:47 +0000 (13:08 -0400)]
bufio: test for exact error value in TestNegativeEOFReader and TestLargeReader

CL 225357 added tests for Scanner not panicking on bad readers.
CL 225557 created a named error value that is returned instead.
CL 237739 documents that the bufio.ErrBadReadCount is returned
when bufio.Scanner is used with an invalid io.Reader.

This suggests we wouldn't want that behavior to be able to change
without a test noticing it, so modify the tests to check for the
exact error value instead of just any non-nil one.

For #38053.

Change-Id: I4b0b8eb6804ebfe2c768505ddb94f0b1017fcf8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/238217
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agogo/token: explain file base offset better in documentation
Robert Griesemer [Tue, 16 Jun 2020 04:32:15 +0000 (21:32 -0700)]
go/token: explain file base offset better in documentation

Fixes #36648.

Change-Id: I92d4462fea0079f63697fb8f407fd2d50b7d68f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/238117
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/go1.15: enumerate ELF-based OSes
Austin Clements [Tue, 16 Jun 2020 18:54:57 +0000 (14:54 -0400)]
doc/go1.15: enumerate ELF-based OSes

Users don't necessarily know if their OS is ELF-based.

For #37419.

Change-Id: I4a4256c5f5eb34211729e1311582bb0e210f1f8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/238240
Reviewed-by: Than McIntosh <thanm@google.com>
4 years agocmd/go: fix mod_gomodcache and generate_env TestScripts on Plan 9
Fazlul Shahriar [Mon, 15 Jun 2020 17:04:05 +0000 (13:04 -0400)]
cmd/go: fix mod_gomodcache and generate_env TestScripts on Plan 9

Adjust these two tests for Plan 9,
which uses $path instead of $PATH,
and $home instead of $HOME.

Fixes #39599

Change-Id: Idba95e07d307e76f0f61acd904905b417c52d43a
Reviewed-on: https://go-review.googlesource.com/c/go/+/237941
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agodoc/go1.15: fix two typos
Ainar Garipov [Tue, 16 Jun 2020 18:48:43 +0000 (21:48 +0300)]
doc/go1.15: fix two typos

Updates #37419.

Change-Id: I9ecc706d44950b7de3e8fe4dde8cfab1904eee58
Reviewed-on: https://go-review.googlesource.com/c/go/+/238139
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/go1.15: add missing slashes
Toshihiro Shiino [Fri, 12 Jun 2020 05:04:13 +0000 (05:04 +0000)]
doc/go1.15: add missing slashes

This saves a redirect and makes the document more consistent.

For #37419

Change-Id: Ic3bd62f8caacf67ffe43a359624e11bed8b8cfaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/237540
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocmd: update golang.org/x/tools
Jay Conrod [Tue, 16 Jun 2020 14:03:48 +0000 (10:03 -0400)]
cmd: update golang.org/x/tools

This pulls in CL 235797.

Fixes #39151

Change-Id: I367cff2e9b432a778213501c42fb510c1514643f
Reviewed-on: https://go-review.googlesource.com/c/go/+/238157
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Akhil Indurti <aindurti@gmail.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
4 years agoruntime: set g to gsignal before adjustSignalStack
Cherry Zhang [Mon, 15 Jun 2020 20:20:53 +0000 (16:20 -0400)]
runtime: set g to gsignal before adjustSignalStack

When a signal is received, the runtime probes whether an
alternate signal stack is set, if so, adjust gsignal's stack to
point to the alternate signal stack. This is done in
adjustSignalStack, which calls sigaltstack "syscall", which is a
libc call on darwin through asmcgocall. asmcgocall decides
whether to do stack switch based on whether we're running on g0
stack, gsignal stack, or regular g stack. If g is not set to
gsignal, asmcgocall may make wrong decision. Set g first.
adjustSignalStack is recursively nosplit, so it is okay that
temporarily gsignal.stack doesn't match the stack we're running
on.

May fix #39079.

Change-Id: I59b2c5dc08c3c951f1098fff038bf2e06d7ca055
Reviewed-on: https://go-review.googlesource.com/c/go/+/238020
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/go1.15: document go/printer.StdFormat
Ian Lance Taylor [Fri, 12 Jun 2020 22:58:48 +0000 (15:58 -0700)]
doc/go1.15: document go/printer.StdFormat

For #37419
For #37453
For #37476

Change-Id: Ia032ec844773af421bc4217d5dd6e60996d8e91f
Reviewed-on: https://go-review.googlesource.com/c/go/+/237740
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/gccgo: change gold build instructions to use Git repository
Tobias Klauser [Mon, 15 Jun 2020 12:11:08 +0000 (14:11 +0200)]
doc/gccgo: change gold build instructions to use Git repository

Use the binutils Git repository instead of CVS.

Change-Id: I10100ca44d64ab3621367d1d4ac9e9a50d212d0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/237839
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/gccgo: update GCC repository after migration to Git
Tobias Klauser [Mon, 15 Jun 2020 10:18:30 +0000 (12:18 +0200)]
doc/gccgo: update GCC repository after migration to Git

The GCC code repository is now hosted on Git. Adjust the instructions in
gccgo_install.html accordingly.

Change-Id: I443a8b645b63e63785979bc0554521e3dc3b0bf7
Reviewed-on: https://go-review.googlesource.com/c/go/+/237798
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agocmd/compile: fix ordering problems in struct equality
Keith Randall [Mon, 15 Jun 2020 16:17:18 +0000 (09:17 -0700)]
cmd/compile: fix ordering problems in struct equality

Make sure that if a field comparison might panic, we evaluate
(and short circuit if not equal) all previous fields, and don't
evaluate any subsequent fields.

Add a bunch more tests to the equality+panic checker.

Update #8606

Change-Id: I6a159bbc8da5b2b7ee835c0cd1fc565575b58c46
Reviewed-on: https://go-review.googlesource.com/c/go/+/237919
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agoA+C: add Nikita Gillmann (individual CLA)
nikita [Sun, 14 Jun 2020 16:20:13 +0000 (16:20 +0000)]
A+C: add Nikita Gillmann (individual CLA)

previous contribution: https://go-review.googlesource.com/c/go/+/178397/

Change-Id: Ia4038153d0083c1004d0e48c0c6c1eec0774ddc4
GitHub-Last-Rev: de08e864492bd1f9cfaa10205b205d484db79204
GitHub-Pull-Request: golang/go#39584
Reviewed-on: https://go-review.googlesource.com/c/go/+/237821
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agoencoding/json: revert "avoid work when unquoting strings, take 2"
Daniel Martí [Sun, 14 Jun 2020 21:09:18 +0000 (22:09 +0100)]
encoding/json: revert "avoid work when unquoting strings, take 2"

This reverts golang.org/cl/190659 and golang.org/cl/226218, minus the
regression tests in the latter.

The original work happened in golang.org/cl/151157, which was reverted
in golang.org/cl/190909 due to a crash found by fuzzing.

We tried a second time in golang.org/cl/190659, which shipped with Go
1.14. A bug was found, where strings would be mangled in certain edge
cases. The fix for that was golang.org/cl/226218, which was backported
into Go 1.14.4.

Unfortunately, a second regression was just reported in #39555, which is
a similar case of strings getting mangled when decoding under certain
conditions. It would be possible to come up with another small patch to
fix that edge case, but instead, let's just revert the entire
optimization, as it has proved to do more harm than good. Moreover, it's
hard to argue or prove that there will be no more such regressions.

However, all the work wasn't for nothing. First, we learned that the way
the decoder unquotes tokenized strings isn't simple; initially, we had
wrongly assumed that each string was unquoted exactly once and in order.
Second, we have gained a number of regression tests which will be useful
to prevent the same mistakes in the future, including the test cases we
add in this CL.

Fixes #39555.

Change-Id: I66a6919c2dd6d9789232482ba6cf3814eaa70f61
Reviewed-on: https://go-review.googlesource.com/c/go/+/237838
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
4 years agoruntime: avoid lock starvation in TestNetpollBreak on Plan 9
Richard Miller [Sat, 13 Jun 2020 18:04:15 +0000 (19:04 +0100)]
runtime: avoid lock starvation in TestNetpollBreak on Plan 9

TestNetpollBreak was sometimes timing out on Plan 9, where
netpoll_stub.go implements only enough of the network poller
to support runtime timers, using a notetsleep / notewakeup
pair. The runtime.lock which serialises the use of the note
doesn't guarantee fairness, and in practice the netpoll call
used by the test can be starved by the netpoll call from the
scheduler which supports the overall 'go test' timeout.
Calling osyield after relinquishing the lock gives the two
callers a more even chance to take a turn, which prevents
the test from timing out.

Fixes #39437

Change-Id: Ifbe6aaf95336d162d9d0b6deba19b8debf17b071
Reviewed-on: https://go-review.googlesource.com/c/go/+/237698
Run-TryBot: David du Colombier <0intro@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agoimage/gif: speed up initializing test image
Nigel Tao [Sat, 13 Jun 2020 02:28:08 +0000 (12:28 +1000)]
image/gif: speed up initializing test image

The benchmark throughput numbers don't change, but the set-up time (the
time taken before the b.ResetTimer() call) drops from 460ms to 4ms.

Change-Id: I5a6756643dff6127f6d902455d83459c084834fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/237757
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Rob Pike <r@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agodoc/go1.15: add release notes for database/sql and database/sql/driver
Ainar Garipov [Wed, 10 Jun 2020 15:26:29 +0000 (18:26 +0300)]
doc/go1.15: add release notes for database/sql and database/sql/driver

Updates #37419.

Change-Id: Ifb6aa9a671f677e1a3e908f0b75bf0da17a57ad0
Reviewed-on: https://go-review.googlesource.com/c/go/+/237397
Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
4 years agodoc/go1.15: sort debug/pe entry alphabetically
Ian Lance Taylor [Fri, 12 Jun 2020 22:34:43 +0000 (15:34 -0700)]
doc/go1.15: sort debug/pe entry alphabetically

For #37419

Change-Id: If98ecffbfd976cb66a87b1cce4e82b3ddee1639e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237738
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agoruntime: raise alert threshold on window smhasher test
Keith Randall [Fri, 12 Jun 2020 18:07:56 +0000 (11:07 -0700)]
runtime: raise alert threshold on window smhasher test

This alert is triggering occasionally. I've investigated the
collisions that happen, and they all seem to be pairwise, so they are
not a big deal.  "pairwise" = when there are 32 collisions, it is two
keys mapping to the same hash, 32 times, not 33 keys all mapping to
the same hash.

Add some t.Logf calls in case this comes back, which will help isolate
the problem.

Fixes #39352

Change-Id: I1749d7c8efd0afcf9024d8964d15bc0f58a86e4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/237718
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agoA+C: change email address for Meng Zhuo
Meng Zhuo [Fri, 12 Jun 2020 07:12:52 +0000 (15:12 +0800)]
A+C: change email address for Meng Zhuo

Change-Id: I60965f6193256959055824749ed08ce86f6ba482
Reviewed-on: https://go-review.googlesource.com/c/go/+/237541
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agocmd/compile/internal/ssa: skip TestNexting with old Delve on linux/386
Dmitri Shuralyov [Fri, 12 Jun 2020 02:02:27 +0000 (22:02 -0400)]
cmd/compile/internal/ssa: skip TestNexting with old Delve on linux/386

Support for linux/386 was added to Delve in version 1.4.1, but the
version of Delve currently installed on the linux-386-longtest
builder is 1.2.0. That isn't new enough, which causes the test
to fail. Skip it on that builder until it can be made to work.

The only reason it used to pass on the linux-386-longtest builder
before is because that builder was misconfigured to run tests for
linux/amd64. This was resolved in CL 234520.

Also improve internal documentation and the text of skip reasons.

Fixes #39309.

Change-Id: I395cb1f076e59dd3a3feb53e1dcdce5101e9a0f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/237603
Reviewed-by: David Chase <drchase@google.com>
4 years agodoc/go1.15: add code tags
Toshihiro Shiino [Thu, 11 Jun 2020 15:57:18 +0000 (15:57 +0000)]
doc/go1.15: add code tags

Other command line arguments are written in code tags, so add a code tag for consistency.

For #37419

Change-Id: I1948536c3a1860d93726484be2dc7bcb03dfdc2f
Reviewed-on: https://go-review.googlesource.com/c/go/+/237539
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: replace tab indentation with spaces
Toshihiro Shiino [Thu, 11 Jun 2020 15:45:46 +0000 (15:45 +0000)]
doc/go1.15: replace tab indentation with spaces

Replace tab indentation with spaces for consistency, as all other indentation is done with spaces.

For #37419

Change-Id: I728a75ae0d00e637f57eb455b6039ffc1a5feed2
Reviewed-on: https://go-review.googlesource.com/c/go/+/237538
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocmd/cgo: in -godefs mode, don't change constant to type
Ian Lance Taylor [Thu, 11 Jun 2020 19:01:52 +0000 (12:01 -0700)]
cmd/cgo: in -godefs mode, don't change constant to type

Fixes #39534

Change-Id: Icbc1745935dd7098c09e2d35c61cd5bfbaa31c63
Reviewed-on: https://go-review.googlesource.com/c/go/+/237558
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
4 years agocmd/go/internal/web: don't follow an infinite number of redirects
Baokun Lee [Tue, 9 Jun 2020 15:03:35 +0000 (23:03 +0800)]
cmd/go/internal/web: don't follow an infinite number of redirects

We replaced http.DefaultClient with securityPreservingHTTPClient,
but we still need that too many redirects check. This issue introduced
by CL 156838.

We introduce a special path to test rediret requests in the script test
framework. You can specify the number of redirects in the path.

$GOPROXY/redirect/<count>/...

Redirect request sequence details(count=8):

 request:  $GOPROXY/mod/redirect/8/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/7/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/6/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/5/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/4/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/3/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/2/rsc.io/quote/@v/v1.2.0.mod
redirect:  $GOPROXY/mod/redirect/1/rsc.io/quote/@v/v1.2.0.mod
the last:  $GOPROXY/mod/rsc.io/quote/@v/v1.2.0.mod

Fixes #39482

Change-Id: I149a3702b2b616069baeef787b2e4b73afc93b0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237177
Run-TryBot: Baokun Lee <nototon@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
4 years agoA+C: add Vee Zhang (individual CLA)
Vee Zhang [Thu, 11 Jun 2020 04:39:49 +0000 (04:39 +0000)]
A+C: add Vee Zhang (individual CLA)

Change-Id: Id52c5fef2e5b65056d3c87e70e176b67998cea90
GitHub-Last-Rev: b88e3afa38d96a5a51334100bb29108c5f2618f4
GitHub-Pull-Request: golang/go#39520
Reviewed-on: https://go-review.googlesource.com/c/go/+/237223
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agogo/types: rename UsesCgo to go115UsesCgo
Matthew Dempsky [Wed, 10 Jun 2020 19:47:23 +0000 (12:47 -0700)]
go/types: rename UsesCgo to go115UsesCgo

This API and functionality was added late in the Go 1.15 release
cycle, and use within gopls has revealed some shortcomings. It's
possible (but not decided) that we'll want a different API long-term,
so for now this CL renames UsesCgo to a non-exported name to avoid
long-term commitment under the Go 1 compat guarantee.

Updates #16623.
Updates #39072.

Change-Id: I04bc0c161a84adebe43e926df5df406bc794c3db
Reviewed-on: https://go-review.googlesource.com/c/go/+/237417
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
4 years agocmd/internal/objabi: enable frame-pointer for iOS arm64
Gawen Arab [Wed, 10 Jun 2020 20:31:57 +0000 (20:31 +0000)]
cmd/internal/objabi: enable frame-pointer for iOS arm64

This improves stack unwinding of Go code running on iOS arm64.

Change-Id: I0494f750c15dcb895f9d4a072352f050d731df17
GitHub-Last-Rev: 435a2a1690dad98975f7463f91241831cd73d3df
GitHub-Pull-Request: golang/go#37403
Reviewed-on: https://go-review.googlesource.com/c/go/+/220588
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
4 years agoruntime: fix typo in FuncForPC doc go1.15beta1
Rodolfo Carvalho [Wed, 10 Jun 2020 13:30:42 +0000 (13:30 +0000)]
runtime: fix typo in FuncForPC doc

Change-Id: I04037e13b131e79ebc5af84896bfeda49ddc0eaa
GitHub-Last-Rev: b0d0de930862e4f163e158876cba70d81ed2d52e
GitHub-Pull-Request: golang/go#39500
Reviewed-on: https://go-review.googlesource.com/c/go/+/237220
Reviewed-by: Keith Randall <khr@golang.org>
4 years agocmd/compile: always tighten and de-duplicate tuple selectors
Michael Munday [Tue, 9 Jun 2020 10:17:17 +0000 (03:17 -0700)]
cmd/compile: always tighten and de-duplicate tuple selectors

The scheduler assumes two special invariants that apply to tuple
selectors (Select0 and Select1 ops):

  1. There is only one tuple selector of each type per generator.
  2. Tuple selectors and generators reside in the same block.

Prior to this CL the assumption was that these invariants would
only be broken by the CSE pass. The CSE pass therefore contained
code to move and de-duplicate selectors to fix these invariants.

However it is also possible to write relatively basic optimization
rules that cause these invariants to be broken. For example:

  (A (Select0 (B))) -> (Select1 (B))

This rule could result in the newly added selector (Select1) being
in a different block to the tuple generator (see issue #38356). It
could also result in duplicate selectors if this rule matches
multiple times for the same tuple generator (see issue #39472).

The CSE pass will 'fix' these invariants. However it will only do
so when optimizations are enabled (since disabling optimizations
disables the CSE pass).

This CL moves the CSE tuple selector fixup code into its own pass
and makes it mandatory even when optimizations are disabled. This
allows tuple selectors to be treated like normal ops for most of
the compilation pipeline until after the new pass has run, at which
point we need to be careful to maintain the invariant again.

Fixes #39472.

Change-Id: Ia3f79e09d9c65ac95f897ce37e967ee1258a080b
Reviewed-on: https://go-review.googlesource.com/c/go/+/237118
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agorun.bat: do not unset GOROOT_FINAL before running tests
Bryan C. Mills [Wed, 10 Jun 2020 02:00:18 +0000 (22:00 -0400)]
run.bat: do not unset GOROOT_FINAL before running tests

This removes the same logic from run.bat that was removed from
cmd/dist in CL 236819.

The duplicated logic was removed from run.bash and run.rc in CL 6531,
but that part of run.bat was apparently missed (and not noticed
because its effect was redundant).

Also fix a path-separator bug in cmd/addr2line.TestAddr2Line that was
exposed as a result.

Fixes #39478
Updates #39385

Change-Id: I00054966cf92ef92a03681bf23de7f45f46fbb5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237359
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

4 years agodoc: document encoding/xml change in CL 203417
Russ Cox [Fri, 5 Jun 2020 17:51:17 +0000 (13:51 -0400)]
doc: document encoding/xml change in CL 203417

Change-Id: Ibc0228f166f449ec28d813f33bdb550fe7ba2b3e
Reviewed-on: https://go-review.googlesource.com/c/go/+/236739
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocrypto/tls: restore OCSP and SCTs during session resumption
Roland Shoemaker [Fri, 15 May 2020 19:49:04 +0000 (12:49 -0700)]
crypto/tls: restore OCSP and SCTs during session resumption

Restore previously sent SCTs and stapled OCSP response during session
resumption for both TLS 1.2 and 1.3. This behavior is somewhat
complicated for TLS 1.2 as SCTs are sent during the server hello,
so they override what is saved in ClientSessionState. It is likely
that if the server is sending a different set of SCTs there is probably
a reason for doing so, such as a log being retired, or SCT validation
requirements changing, so it makes sense to defer to the server in
that case.

Fixes #39075

Change-Id: I3c0fa2f69c6bf0247a447c48a1b4c733a882a233
Reviewed-on: https://go-review.googlesource.com/c/go/+/234237
Reviewed-by: Filippo Valsorda <filippo@golang.org>
4 years agoapi: promote next to go1.15
Alexander Rakoczy [Tue, 9 Jun 2020 20:17:46 +0000 (16:17 -0400)]
api: promote next to go1.15

Change-Id: I42e0d096b28614b95b0af21144f8f118e3eafcd5
Reviewed-on: https://go-review.googlesource.com/c/go/+/237297
Run-TryBot: Alexander Rakoczy <alex@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
4 years agoruntime: fix typo in comment (object -> objects)
Brad Fitzpatrick [Tue, 9 Jun 2020 16:11:11 +0000 (09:11 -0700)]
runtime: fix typo in comment (object -> objects)

Change-Id: I2af1f9dcd1a9609681e58ab07e73e6d7a5f8a12b
Reviewed-on: https://go-review.googlesource.com/c/go/+/237160
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agointernal/poll: correct function name in comment
Vee Zhang [Tue, 9 Jun 2020 08:03:13 +0000 (08:03 +0000)]
internal/poll: correct function name in comment

Change-Id: I3b28a45e942a6d6032855758fcc41e4edd64aa32
GitHub-Last-Rev: 9c994bbee7420861b5dc83e71e50fc43d7f6650b
GitHub-Pull-Request: golang/go#39467
Reviewed-on: https://go-review.googlesource.com/c/go/+/237059
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/go1.15: add remaining release notes for net/http and net/http/httputil
Filippo Valsorda [Tue, 9 Jun 2020 01:19:01 +0000 (21:19 -0400)]
doc/go1.15: add remaining release notes for net/http and net/http/httputil

Updates #37419

Change-Id: I3e37b650475aad4430aacd4655c02e5081ca6f5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237019
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocmd/asm: fix the encoding error of VCNT instruction for arm64
eric fang [Mon, 8 Jun 2020 03:19:43 +0000 (03:19 +0000)]
cmd/asm: fix the encoding error of VCNT instruction for arm64

When the arrangement specifier is "B16", the 30-bit should be 1 rather than 0.
This CL fixes this error.

Fixes #39445

Change-Id: Ib44881cdb8b3aab855cb30f2c52a085cd73a6a2c
Reviewed-on: https://go-review.googlesource.com/c/go/+/236638
Run-TryBot: eric fang <eric.fang@arm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
4 years agocmd/compile: ARM comparisons with 0 incorrect on overflow
Xiangdong Ji [Mon, 1 Jun 2020 11:01:14 +0000 (11:01 +0000)]
cmd/compile: ARM comparisons with 0 incorrect on overflow

Some ARM rewriting rules convert 'comparing to zero' conditions of if
statements to a simplified version utilizing CMN and CMP instructions to
branch over condition flags, in order to save one Add or Sub caculation.

Such optimizations lead to wrong branching in case an overflow/underflow
occurs when executing CMN or CMP.

Fix the issue by introducing new block opcodes that don't honor the
overflow/underflow flag:

  Block-Op         Meaning                   ARM condition codes
  1. LTnoov        less than                 MI
  2. GEnoov        greater than or equal     PL
  3. LEnoov        less than or equal        MI || EQ
  4. GTnoov        greater than              NEQ & PL

The patch also adds a few test cases to cover scenarios that are specific
to ARM and fine-tunes the code generation tests for 'x-const'.

For more details please refer to the previous fix on 64-bit ARM:
  https://go-review.googlesource.com/c/go/+/233097

Go1 perf, 'old' is the non-optimized version, that is removing all concerned
rewriting rules.

name                     old time/op    new time/op     delta
BinaryTree17-8              7.73s ± 0%      7.81s ± 0%  +0.97%  (p=0.000 n=7+8)
Fannkuch11-8                7.06s ± 0%      7.00s ± 0%  -0.83%  (p=0.000 n=8+8)
FmtFprintfEmpty-8           181ns ± 1%      183ns ± 1%  +1.31%  (p=0.001 n=8+8)
FmtFprintfString-8          319ns ± 1%      325ns ± 2%  +1.71%  (p=0.009 n=7+8)
FmtFprintfInt-8             358ns ± 1%      359ns ± 1%    ~     (p=0.293 n=7+7)
FmtFprintfIntInt-8          459ns ± 3%      456ns ± 1%    ~     (p=0.869 n=8+8)
FmtFprintfPrefixedInt-8     535ns ± 4%      538ns ± 4%    ~     (p=0.572 n=8+8)
FmtFprintfFloat-8          1.01µs ± 2%     1.01µs ± 2%    ~     (p=0.625 n=8+8)
FmtManyArgs-8              1.93µs ± 2%     1.93µs ± 1%    ~     (p=0.979 n=8+7)
GobDecode-8                16.1ms ± 1%     16.5ms ± 1%  +2.32%  (p=0.000 n=8+8)
GobEncode-8                15.9ms ± 0%     15.8ms ± 1%  -1.00%  (p=0.000 n=8+7)
Gzip-8                      690ms ± 1%      670ms ± 0%  -2.90%  (p=0.000 n=8+8)
Gunzip-8                    109ms ± 1%      109ms ± 1%    ~     (p=0.694 n=7+8)
HTTPClientServer-8          149µs ± 3%      146µs ± 2%  -1.70%  (p=0.028 n=8+8)
JSONEncode-8               50.5ms ± 1%     49.2ms ± 0%  -2.60%  (p=0.001 n=7+7)
JSONDecode-8                135ms ± 2%      137ms ± 1%    ~     (p=0.054 n=8+7)
Mandelbrot200-8             951ms ± 0%      952ms ± 0%    ~     (p=0.852 n=6+8)
GoParse-8                  9.47ms ± 1%     9.66ms ± 1%  +2.01%  (p=0.000 n=8+8)
RegexpMatchEasy0_32-8       288ns ± 2%      277ns ± 2%  -3.61%  (p=0.000 n=8+8)
RegexpMatchEasy0_1K-8      1.66µs ± 1%     1.69µs ± 2%  +2.21%  (p=0.001 n=7+7)
RegexpMatchEasy1_32-8       334ns ± 1%      305ns ± 2%  -8.86%  (p=0.000 n=8+8)
RegexpMatchEasy1_1K-8      2.14µs ± 2%     2.15µs ± 0%    ~     (p=0.099 n=8+8)
RegexpMatchMedium_32-8     13.3ns ± 1%     13.3ns ± 0%    ~     (p=1.000 n=7+7)
RegexpMatchMedium_1K-8     81.1µs ± 3%     80.7µs ± 1%    ~     (p=0.955 n=7+8)
RegexpMatchHard_32-8       4.26µs ± 0%     4.26µs ± 0%    ~     (p=0.933 n=7+8)
RegexpMatchHard_1K-8        124µs ± 0%      124µs ± 0%  +0.31%  (p=0.000 n=8+8)
Revcomp-8                  14.7ms ± 2%     14.5ms ± 1%  -1.66%  (p=0.003 n=8+8)
Template-8                  197ms ± 2%      200ms ± 3%  +1.62%  (p=0.021 n=8+8)
TimeParse-8                1.33µs ± 1%     1.30µs ± 1%  -1.86%  (p=0.002 n=8+8)
TimeFormat-8               3.04µs ± 1%     3.02µs ± 0%  -0.60%  (p=0.000 n=8+8)

name                     old speed      new speed       delta
GobDecode-8              47.6MB/s ± 1%   46.5MB/s ± 1%  -2.28%  (p=0.000 n=8+8)
GobEncode-8              48.1MB/s ± 0%   48.6MB/s ± 1%  +1.02%  (p=0.000 n=8+7)
Gzip-8                   28.1MB/s ± 1%   29.0MB/s ± 0%  +2.97%  (p=0.000 n=8+8)
Gunzip-8                  178MB/s ± 1%    179MB/s ± 2%    ~     (p=0.694 n=7+8)
JSONEncode-8             38.4MB/s ± 1%   39.4MB/s ± 0%  +2.67%  (p=0.001 n=7+7)
JSONDecode-8             14.3MB/s ± 2%   14.2MB/s ± 1%  -0.81%  (p=0.043 n=8+7)
GoParse-8                6.12MB/s ± 1%   5.99MB/s ± 1%  -2.00%  (p=0.000 n=8+8)
RegexpMatchEasy0_32-8     111MB/s ± 2%    115MB/s ± 2%  +3.77%  (p=0.000 n=8+8)
RegexpMatchEasy0_1K-8     618MB/s ± 1%    604MB/s ± 2%  -2.16%  (p=0.001 n=7+7)
RegexpMatchEasy1_32-8    95.7MB/s ± 1%  105.1MB/s ± 2%  +9.76%  (p=0.000 n=8+8)
RegexpMatchEasy1_1K-8     479MB/s ± 2%    477MB/s ± 0%    ~     (p=0.105 n=8+8)
RegexpMatchMedium_32-8   75.2MB/s ± 1%   75.2MB/s ± 0%    ~     (p=0.247 n=7+7)
RegexpMatchMedium_1K-8   12.6MB/s ± 3%   12.7MB/s ± 1%    ~     (p=0.538 n=7+8)
RegexpMatchHard_32-8     7.52MB/s ± 0%   7.52MB/s ± 0%    ~     (p=0.968 n=7+8)
RegexpMatchHard_1K-8     8.26MB/s ± 0%   8.24MB/s ± 0%  -0.30%  (p=0.001 n=8+8)
Revcomp-8                 173MB/s ± 2%    176MB/s ± 1%  +1.68%  (p=0.003 n=8+8)
Template-8               9.85MB/s ± 2%   9.69MB/s ± 3%  -1.59%  (p=0.021 n=8+8)

Fixes   #39303
Updates #38740

Change-Id: I0a5f87bfda679f66414c0041ace2ca2e28363f36
Reviewed-on: https://go-review.googlesource.com/c/go/+/236637
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
4 years agodoc/go1.15: remove TODO in minor library changes section
Dmitri Shuralyov [Tue, 9 Jun 2020 14:26:09 +0000 (14:26 +0000)]
doc/go1.15: remove TODO in minor library changes section

The minor changes to the library section has been populated
with TODOs for individual packages using relnote in CL 235757,
and they've been resolved in the following CLs.

We will look things over as part of finishing touches on
the release notes, but this TODO is resolved for beta 1.

For #37419.

Change-Id: I942f81a957fe8df8f630b4406ca29f73602d080a
Reviewed-on: https://go-review.googlesource.com/c/go/+/237157
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
4 years agocmd/dist: do not unset GOROOT_FINAL prior to running tests
Bryan C. Mills [Fri, 5 Jun 2020 20:08:08 +0000 (16:08 -0400)]
cmd/dist: do not unset GOROOT_FINAL prior to running tests

Also do not unset it by default in the tests for cmd/go.

GOROOT_FINAL affects the GOROOT value embedded in binaries,
such as 'cmd/cgo'. If its value changes and a build command
is performed that depends on one of those binaries, the binary
would be spuriously rebuilt.

Instead, only unset it in the specific tests that make assumptions
about the GOROOT paths embedded in specific compiled binaries.
That may cause those tests to do a little extra rebuilding when
GOROOT_FINAL is set, but that little bit of extra rebuilding
seems preferable to spuriously-stale binaries.

Fixes #39385

Change-Id: I7c87b1519bb5bcff64babf1505fd1033ffa4f4fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/236819
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agoos: always check for EINTR in calls to open
Ian Lance Taylor [Mon, 8 Jun 2020 21:35:07 +0000 (14:35 -0700)]
os: always check for EINTR in calls to open

For #11180
For #20400
For #39237

Change-Id: I8de97517c8f92c08f0c8a51f651a17e31617979b
Reviewed-on: https://go-review.googlesource.com/c/go/+/236997
Reviewed-by: Bryan C. Mills <bcmills@google.com>
4 years agoall: avoid awkward wording from CL 236857
Russ Cox [Mon, 8 Jun 2020 16:39:56 +0000 (12:39 -0400)]
all: avoid awkward wording from CL 236857

CL 236857 removed all uses of whitelist/blacklist, which is great.
But it substituted awkward phrasing using allowlist/blocklist,
especially as verbs or participles. This CL uses more standard English,
like "allow the function" or "blocked functions" instead of
"allowlist the function" or "blocklisted functions".

Change-Id: I9106a2fdbd62751c4cbda3a77181358a8a6d0f13
Reviewed-on: https://go-review.googlesource.com/c/go/+/236917
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
4 years agodoc/go1.15: add more release notes for crypto/tls
Filippo Valsorda [Mon, 8 Jun 2020 17:58:12 +0000 (13:58 -0400)]
doc/go1.15: add more release notes for crypto/tls

Updates #37419

Change-Id: I5e03adbf6d215d65aedbdeb7bdfe1ead8a838877
Reviewed-on: https://go-review.googlesource.com/c/go/+/236921
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agocmd/go: remove a bogus assertion in mod_convert_dep
Bryan C. Mills [Sat, 6 Jun 2020 02:35:18 +0000 (22:35 -0400)]
cmd/go: remove a bogus assertion in mod_convert_dep

The removed line assumed that the script's WORK directory is not a
child of any directory containing version-control metadata.
While that assumption does hold in most cases, it does not hold when,
for example, $TMPDIR is $HOME/tmp and $HOME/.git/config exists.

A similar situation may or may not arise when using
golang.org/x/build/cmd/release. Either way, the assertion is incorrect
and was interfering with local testing for #39385.

Updates #39385
Fixes #39431

Change-Id: I67813d7ce455aa9b56a6eace6eddebf48d0f7fa6
Reviewed-on: https://go-review.googlesource.com/c/go/+/236818
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: add release notes for crypto and math/big
Filippo Valsorda [Mon, 8 Jun 2020 17:07:39 +0000 (13:07 -0400)]
doc/go1.15: add release notes for crypto and math/big

Updates #37419

Change-Id: I12f073697dc319e439f4ffe4e0aac7f6afb19a74
Reviewed-on: https://go-review.googlesource.com/c/go/+/236918
Reviewed-by: Katie Hockman <katie@golang.org>
4 years agodoc/go1.15: add release notes for crypto/x509
Filippo Valsorda [Fri, 5 Jun 2020 16:48:26 +0000 (12:48 -0400)]
doc/go1.15: add release notes for crypto/x509

Updates #37419

Change-Id: Iedfd4b238980675be115c7e6e0a327d7745b5bed
Reviewed-on: https://go-review.googlesource.com/c/go/+/236737
Reviewed-by: Katie Hockman <katie@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: add release notes for crypto/tls
Katie Hockman [Tue, 2 Jun 2020 19:52:51 +0000 (15:52 -0400)]
doc/go1.15: add release notes for crypto/tls

Updates #37419

Change-Id: Ie81c0b03716799c132e90dc231ab816e6ae43469
Reviewed-on: https://go-review.googlesource.com/c/go/+/236166
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agoruntime: always mark span when marking an object
Austin Clements [Sat, 6 Jun 2020 02:01:25 +0000 (22:01 -0400)]
runtime: always mark span when marking an object

The page sweeper depends on spans being marked if any object in the
span is marked, but currently only greyobject does this.
gcmarknewobject and wbBufFlush1 also mark objects, but neither set
span marks. As a result, if there are live objects on a span, but
they're all marked via allocation or write barriers, then the span
itself won't be marked and the page reclaimer will free the span,
ultimately leading to memory corruption when the memory for those live
allocations gets reused.

Fix this by making gcmarknewobject and wbBufFlush1 also mark pages.

No test because I have no idea how to reliably (or even unreliably)
trigger this.

Fixes #39432.

Performance is a wash or very slightly worse. I benchmarked the
gcmarknewobject and wbBufFlush1 changes independently and both showed
a slight performance improvement, so I'm going to call this noise.

name                                old time/op  new time/op  delta
BiogoIgor                            15.9s ± 2%   15.9s ± 2%    ~     (p=0.758 n=25+25)
BiogoKrishna                         15.7s ± 3%   15.7s ± 3%    ~     (p=0.382 n=21+21)
BleveIndexBatch100                   4.94s ± 3%   5.07s ± 4%  +2.63%  (p=0.000 n=25+25)
CompileTemplate                      204ms ± 1%   205ms ± 1%  +0.43%  (p=0.000 n=21+23)
CompileUnicode                      77.8ms ± 1%  78.1ms ± 1%    ~     (p=0.130 n=23+23)
CompileGoTypes                       731ms ± 1%   733ms ± 1%  +0.30%  (p=0.006 n=22+22)
CompileCompiler                      3.64s ± 2%   3.65s ± 3%    ~     (p=0.179 n=24+25)
CompileSSA                           8.44s ± 1%   8.46s ± 1%  +0.30%  (p=0.003 n=22+23)
CompileFlate                         132ms ± 1%   133ms ± 1%    ~     (p=0.098 n=22+22)
CompileGoParser                      164ms ± 1%   164ms ± 1%  +0.37%  (p=0.000 n=21+23)
CompileReflect                       455ms ± 1%   457ms ± 2%  +0.50%  (p=0.002 n=20+22)
CompileTar                           182ms ± 2%   182ms ± 1%    ~     (p=0.382 n=22+22)
CompileXML                           245ms ± 3%   245ms ± 1%    ~     (p=0.070 n=21+23)
CompileStdCmd                        16.5s ± 2%   16.5s ± 3%    ~     (p=0.486 n=23+23)
FoglemanFauxGLRenderRotateBoat       12.9s ± 1%   13.0s ± 1%  +0.97%  (p=0.000 n=21+24)
FoglemanPathTraceRenderGopherIter1   18.6s ± 1%   18.7s ± 0%    ~     (p=0.083 n=23+24)
GopherLuaKNucleotide                 28.4s ± 1%   29.3s ± 1%  +2.84%  (p=0.000 n=25+25)
MarkdownRenderXHTML                  252ms ± 0%   251ms ± 1%  -0.50%  (p=0.000 n=23+24)
Tile38WithinCircle100kmRequest       516µs ± 2%   516µs ± 2%    ~     (p=0.763 n=24+25)
Tile38IntersectsCircle100kmRequest   689µs ± 2%   689µs ± 2%    ~     (p=0.617 n=24+24)
Tile38KNearestLimit100Request        608µs ± 1%   606µs ± 2%  -0.35%  (p=0.030 n=19+22)
[Geo mean]                           522ms        524ms       +0.41%

https://perf.golang.org/search?q=upload:20200606.4

Change-Id: I8b331f310dbfaba0468035f207467c8403005bf5
Reviewed-on: https://go-review.googlesource.com/c/go/+/236817
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
4 years agocrypto/x509: match RFC suggested SKID generation method
Roland Shoemaker [Sun, 7 Jun 2020 15:32:28 +0000 (08:32 -0700)]
crypto/x509: match RFC suggested SKID generation method

Rather than hashing the encoding of the SPKI structure, hash the
bytes of the public key itself.

Fixes #39429

Change-Id: I55a0f8f08ab1f1b5702590b47d8b9a92d1dbcc1f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236878
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
4 years agocmd/internal/moddeps: don't skip directories if there are unusual files
Dmitri Shuralyov [Thu, 4 Jun 2020 23:20:01 +0000 (19:20 -0400)]
cmd/internal/moddeps: don't skip directories if there are unusual files

Previously, if there was a non-directory file with the name vendor or
testdata in the Go source tree, it was possible for some directories
to be skipped by filepath.Walk performed in findGorootModules.

As unusual and unlikely as such non-directory files are, it's better
to ensure all directories are visited, and all modules in the GOROOT
source tree are found.

This increases confidence that tests relying on findGorootModule
will not have unexpected false negatives.

For #36851.
For #36907.

Change-Id: I468e80d8f57119e2c72d546b3fd1e23c31fd6e6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/236600
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
4 years agoall: treat all files as binary, but check in .bat with CRLF
Dmitri Shuralyov [Thu, 4 Jun 2020 04:35:09 +0000 (00:35 -0400)]
all: treat all files as binary, but check in .bat with CRLF

This is a followup to CL 96495.

It should be simpler and more robust to achieve .bat files having
CRLF line endings by treating it as a binary file, like all other
files, and checking it in with the desired CRLF line endings.

A test is used to check the entire Go tree, short of directories
starting with "." and named "testdata", for any .bat files that
have anything other than strict CRLF line endings. This will help
catch any accidental modifications to existing .bat files or check
ins of new .bat files.

Importantly, this is compatible with how Gerrit serves .tar.gz files,
making it so that CRLF line endings are preserved.

The Go project is supported on many different environments, some of
which may have limited git implementations available, or none at all.
Relying on fewer git features and special rules makes it easier to
have confidence in the exact content of all files. Additionally, Go
development started in Subversion, moved to Perforce, then Mercurial,
and now uses Git.¹ Reducing its reliance on git-specific features will
help if there will be another transition in the project's future.

There are only 5 .bat files in the entire Go source tree, so a new one
being added is a rare event, and we prefer to do things in Go instead.
We still have the option of improving the experience for developers by
adding a pre-commit converter for .bat files to the git-codereview tool.

¹ https://groups.google.com/d/msg/golang-dev/sckirqOWepg/YmyT7dWJiocJ

Fixes #39391.
For #37791.

Change-Id: I6e202216322872f0307ac96f1b8d3f57cb901e6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/236437
Reviewed-by: Bryan C. Mills <bcmills@google.com>
4 years agodoc/go1.15: document two noteworthy json changes
Daniel Martí [Sat, 6 Jun 2020 12:39:11 +0000 (13:39 +0100)]
doc/go1.15: document two noteworthy json changes

I had a look at the changes between 1.14 and master, and these are the
only two that seem relevant enough for the changelog.

There was also CL 179337 to reuse values when decoding map elements, but
it got reverted in CL 234559 and is not being included in 1.15.

Updates #37419.

Change-Id: Ib125415a953471ce29553a413d85aaf4b18a7a12
Reviewed-on: https://go-review.googlesource.com/c/go/+/236523
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agoall: replace usages of whitelist/blacklist and master/slave
Filippo Valsorda [Sun, 7 Jun 2020 00:59:12 +0000 (20:59 -0400)]
all: replace usages of whitelist/blacklist and master/slave

There's been plenty of discussion on the usage of these terms in tech.
I'm not trying to have yet another debate. It's clear that there are
people who are hurt by them and who are made to feel unwelcome by their
use due not to technical reasons but to their historical and social
context. That's simply enough reason to replace them.

Anyway, allowlist and blocklist are more self-explanatory than whitelist
and blacklist, so this change has negative cost.

Didn't change vendored, bundled, and minified files. Nearly all changes
are tests or comments, with a couple renames in cmd/link and cmd/oldlink
which are extremely safe. This should be fine to land during the freeze
without even asking for an exception.

Change-Id: I8fc54a3c8f9cc1973b710bbb9558a9e45810b896
Reviewed-on: https://go-review.googlesource.com/c/go/+/236857
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Khosrow Moossavi <khos2ow@gmail.com>
Reviewed-by: Leigh McCulloch <leighmcc@gmail.com>
Reviewed-by: Urban Ishimwe <urbainishimwe@gmail.com>
4 years agodoc/go1.15: rationalize runtime sections
Austin Clements [Fri, 5 Jun 2020 13:46:21 +0000 (09:46 -0400)]
doc/go1.15: rationalize runtime sections

Use the "Core library -> runtime" section for changes that affect the
runtime package API and use the top-level "Runtime" section for
package-independent behavior changes. Also, move the one change that's
really about os (and net) into the "os" package section and reword it
to be more accurate.

Updates #37419.

Change-Id: I32896b039f29ac67308badd0d0b36e8c6e39f64f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236718
Reviewed-by: Michael Knyszek <mknyszek@google.com>
4 years agodoc/go1.15: document toolchain changes
Austin Clements [Thu, 4 Jun 2020 22:14:06 +0000 (18:14 -0400)]
doc/go1.15: document toolchain changes

Updates #37419.

Change-Id: I403cb12083d37359187b45c392046f307054a5b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/236618
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: David Chase <drchase@google.com>
4 years agodoc/go1.15: remove TODO intended for the Core library section
Carlos Amedee [Fri, 5 Jun 2020 22:12:22 +0000 (18:12 -0400)]
doc/go1.15: remove TODO intended for the Core library section

The TODO was added durring the initial creation of the document.
In the current location, it makes it seem like the tzdata documents
are incomplete when they are complete. It is understood that the
entire Core library section will be a work in progress until the release.

For #37419

Change-Id: Ic857eb0ec2583781c701985ea62e519e9d940090
Reviewed-on: https://go-review.googlesource.com/c/go/+/236760
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: add release notes for fmt
shaquilleq [Thu, 4 Jun 2020 01:25:46 +0000 (18:25 -0700)]
doc/go1.15: add release notes for fmt

Updates #37419

Change-Id: I344dd93ed7a75f88e7f937c80f5a6ad6c0327a07
Reviewed-on: https://go-review.googlesource.com/c/go/+/236417
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: add release notes for regexp
Michael Matloob [Fri, 5 Jun 2020 17:18:28 +0000 (13:18 -0400)]
doc/go1.15: add release notes for regexp

Updates #37419

Change-Id: I340efe55b9dc41bb9ef6c9f0ec158d58a9445864
Reviewed-on: https://go-review.googlesource.com/c/go/+/236738
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agoruntime: clarify wording/grammar on GODEBUG=invalidptr
Brad Fitzpatrick [Fri, 5 Jun 2020 15:32:41 +0000 (08:32 -0700)]
runtime: clarify wording/grammar on GODEBUG=invalidptr

Change-Id: Ia06b6be262922991bae3528e7b061d1db9e4c3c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/236679
Reviewed-by: Austin Clements <austin@google.com>
4 years agodoc: update contribution guide to make it friendlier for x/ repos
Rebecca Stambler [Fri, 22 May 2020 03:58:39 +0000 (23:58 -0400)]
doc: update contribution guide to make it friendlier for x/ repos

The current contributor documentation is tailored towards contributors
to golang/go, but we have a number of increasingly popular x/ repos.
In this CL, I tried to generalize the language to make it apply to any
repository.

Also, I fixed an old link I noticed in editors.html.

Change-Id: Id9d8e448262ed8c3a67f49be5d554ca29df9d3c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/234899
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
4 years agodoc/go1.15: mention new debug/pe constants
Ian Lance Taylor [Fri, 5 Jun 2020 16:52:35 +0000 (09:52 -0700)]
doc/go1.15: mention new debug/pe constants

The constants were added in CL 222637.

For #37419

Change-Id: Iae662d677d31c44a7560399ef6771f520c1f7663
Reviewed-on: https://go-review.googlesource.com/c/go/+/236682
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agodoc/go1.15: add release notes for io/ioutil
Dominik Honnef [Fri, 5 Jun 2020 16:05:39 +0000 (18:05 +0200)]
doc/go1.15: add release notes for io/ioutil

For #37419.

Change-Id: I6c7a7e9c91f7691a6ba2a7ac4dad92c64b48962f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236658
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
4 years agocmd/asm, cmd/compile, doc: document -spectre flags
Russ Cox [Thu, 4 Jun 2020 20:20:39 +0000 (16:20 -0400)]
cmd/asm, cmd/compile, doc: document -spectre flags

Most of the docs are in the new wiki page
https://golang.org/wiki/Spectre.

Updates #37419.

Change-Id: I6e8f76670593c089de895e1665b41d874f879df9
Reviewed-on: https://go-review.googlesource.com/c/go/+/236599
Reviewed-by: Austin Clements <austin@google.com>
4 years agodoc/go1.15: exclude spaces from <code> block
Austin Clements [Fri, 5 Jun 2020 13:48:44 +0000 (09:48 -0400)]
doc/go1.15: exclude spaces from <code> block

Per the note at the top of go1.15.html.

Updates #37419.

Change-Id: Ia6917347ca1e3ebe8c55f9c0ec74e49ff481a64f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236719
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>