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9 months agocrypto/tls: add exclude tls flags to bogo_shim_test
Clide Stefani [Wed, 26 Jun 2024 20:29:01 +0000 (16:29 -0400)]
crypto/tls: add exclude tls flags to bogo_shim_test

The existing implementation of bogo_shim_test does not support tests
that use the -no-tls1, -no-tls11, or -no-tls12 flags.
This change adds support for these flags.

Updates #51434

Change-Id: I43eaea9f5ec6da6811b150630a7dde24d108017e
Reviewed-on: https://go-review.googlesource.com/c/go/+/595775
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russell Webb <russell.webb@protonmail.com>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
9 months agoencoding/json: document compact json output in Encoder.Encode
Sean Liao [Fri, 12 Jul 2024 19:03:08 +0000 (20:03 +0100)]
encoding/json: document compact json output in Encoder.Encode

Using the same wording as Compact.

Fixes #67943

Change-Id: I578874f3e917bba1634dd988895e622a5ac78c74
Reviewed-on: https://go-review.googlesource.com/c/go/+/597976
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
9 months agonet: document ParseIP always returns IPv6 addresses
Sean Liao [Fri, 12 Jul 2024 20:03:38 +0000 (21:03 +0100)]
net: document ParseIP always returns IPv6 addresses

Fixes #65131

Change-Id: I050c6459a8e0a6c99425759d3131cf775b05aac9
Reviewed-on: https://go-review.googlesource.com/c/go/+/598076
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
9 months agoarchive/zip: document handling of duplicate names in Writer.Create
Sean Liao [Fri, 12 Jul 2024 19:51:45 +0000 (20:51 +0100)]
archive/zip: document handling of duplicate names in Writer.Create

Fixes #66810

Change-Id: I6a7848dce245ae14941d61d2f78abaf0dc5c1247
Reviewed-on: https://go-review.googlesource.com/c/go/+/597978
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9 months agosort: add example for Find
cui fliter [Sun, 4 Feb 2024 13:08:40 +0000 (21:08 +0800)]
sort: add example for Find

Change-Id: Id7b12356dd2114dfbab260cff00114b6055ee011
Reviewed-on: https://go-review.googlesource.com/c/go/+/561175
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: shuang cui <imcusg@gmail.com>
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9 months agocmd/compile: fix recursive generic interface instantiation
Cuong Manh Le [Wed, 31 Jan 2024 07:47:40 +0000 (14:47 +0700)]
cmd/compile: fix recursive generic interface instantiation

When shapifying recursive instantiated types, the compiler ends up
leaving the type as-is if it already has been a shape type. However, if
both of type arguments are interfaces, and one of them is a recursive
one, it ends up being shaped as-is, while the other is shaped to its
underlying, causing mismatch in function signature.

Fixing this by shapifying an interface type as-is, if it is fully
instantiated and already been a shape type.

Fixes #65362
Fixes #66663

Change-Id: I839d266e0443b41238b1b7362aca09adc0177362
Reviewed-on: https://go-review.googlesource.com/c/go/+/559656
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Keith Randall <khr@golang.org>
9 months agoflag: add FlagSet example
Miki Tebeka [Wed, 6 Dec 2023 13:33:02 +0000 (13:33 +0000)]
flag: add FlagSet example

Add an example for using FlagSet.

Fixes #36307

Change-Id: I0bf5805bd836a4f2e9632aafe22dc3eeb1164dcd
GitHub-Last-Rev: 79e53040cbc2658a71385b644107f8ea54132c99
GitHub-Pull-Request: golang/go#64443
Reviewed-on: https://go-review.googlesource.com/c/go/+/545736
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
9 months agoRevert "runtime: avoid multiple records with identical stacks from MutexProfile"
Cherry Mui [Mon, 15 Jul 2024 19:49:44 +0000 (19:49 +0000)]
Revert "runtime: avoid multiple records with identical stacks from MutexProfile"

This reverts CL 595966.

Reason for revert: This CL contains a bug. See the comment in https://go-review.googlesource.com/c/go/+/595966/8#message-57f4c1f9570b5fe912e06f4ae3b52817962533c0

Change-Id: I48030907ded173ae20a8965bf1b41a713dd06059
Reviewed-on: https://go-review.googlesource.com/c/go/+/598219
Reviewed-by: Than McIntosh <thanm@google.com>
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9 months agostrings: re-introduce noescape wrapper
Cuong Manh Le [Mon, 15 Jul 2024 16:20:52 +0000 (23:20 +0700)]
strings: re-introduce noescape wrapper

CL 573955 added internal/abi:NoEscape function, and use it in strings
builder copyCheck code.

However, internal/abi is a runtime package, which can not be built with
-d=checkptr flag yet. This causes incorrect inlining decision, since
NoEscape must not be inlined when -d=checkptr is used.

Fixing this by re-introducing noescape wrapper.

Fixes #68415

Change-Id: I776cab4c9e9e4b3e58162dcce6ec025cb366bdee
Reviewed-on: https://go-review.googlesource.com/c/go/+/598295
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>

9 months agonet/http: document io.Seeker requirement for fs.FS arguments
Sean Liao [Fri, 12 Jul 2024 19:42:50 +0000 (20:42 +0100)]
net/http: document io.Seeker requirement for fs.FS arguments

Using the same wording as http.FS, even though it's not strictly
required if a content type can be determined by file extension.

Fixes #66877
Updates #44553

Change-Id: I7b70c10909bdd289a57d1998a565262b8aaf2dd2
Reviewed-on: https://go-review.googlesource.com/c/go/+/597977
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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9 months agocmd: vendor golang.org/x/telemetry@268b4a8ec2d7
Rob Findley [Fri, 12 Jul 2024 22:03:43 +0000 (22:03 +0000)]
cmd: vendor golang.org/x/telemetry@268b4a8ec2d7

Commands run, from cmd:
  go get golang.org/x/telemetry@268b4a8ec2d7
  go mod tidy
  go mod vendor

Commands run, from std (to keep versions consistent):
  go get golang.org/x/sys@v0.22.0
  go mod tidy
  go mod vendor

Fixes #67617

Change-Id: I65e759c9b03443619a2a7acbeba53694ff5bbf6a
Reviewed-on: https://go-review.googlesource.com/c/go/+/597896
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Robert Findley <rfindley@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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9 months agogo/types: fix assertion failure when range over int is not permitted
Tim King [Tue, 9 Jul 2024 21:01:56 +0000 (14:01 -0700)]
go/types: fix assertion failure when range over int is not permitted

Fixes an assertion failure in Checker.rangeStmt that range over int
only has a key type and no value type. When allowVersion failed,
rangeKeyVal returns Typ[Invalid] for the value instead of nil. When
Config.Error != nil, rangeStmt proceeded. The check for rhs[1]==nil
was not enough to catch this case. It must also check rhs[1]==

Updates #68334

Change-Id: Iffa1b2f7b6a94570ec50b8c6603e727a45ba3357
Reviewed-on: https://go-review.googlesource.com/c/go/+/597356
Reviewed-by: Robert Findley <rfindley@google.com>
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9 months agoos: clean up after TestIssue60181
Joel Sing [Wed, 10 Jul 2024 13:20:11 +0000 (23:20 +1000)]
os: clean up after TestIssue60181

This test currently leaves two temp files lying around - ensure these
are created in the current working directory (a temp dir) so that they
get cleaned up when the test is complete.

Change-Id: I9a29e24a2cd601de3ab39c421830ee2bcda76516
Reviewed-on: https://go-review.googlesource.com/c/go/+/597317
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9 months agounsafe: say "functions like syscall.Syscall", not only Syscall
Ian Lance Taylor [Sat, 6 Jul 2024 21:09:26 +0000 (14:09 -0700)]
unsafe: say "functions like syscall.Syscall", not only Syscall

Fixes #68301

Change-Id: I9d7f623370705ab2ad4c49489b5a89162467f22a
Reviewed-on: https://go-review.googlesource.com/c/go/+/596936
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

9 months agoall: make struct comments match struct names
cuishuang [Thu, 4 Jul 2024 06:10:55 +0000 (14:10 +0800)]
all: make struct comments match struct names

Change-Id: I011f66854a9af5f3baa20abebd4b315c15db571f
Reviewed-on: https://go-review.googlesource.com/c/go/+/596715
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Run-TryBot: shuang cui <imcusg@gmail.com>
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9 months agostrings: more cross-references in docstrings
Kir Kolyshkin [Thu, 11 Jul 2024 01:37:00 +0000 (18:37 -0700)]
strings: more cross-references in docstrings

This amends CL 534775.

Change-Id: I25a217da51853ec29106998e19e9386d756902fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/597655
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9 months agodatabase/sql/driver: fix name in comment
Jonathan Hall [Wed, 10 Jan 2024 20:23:25 +0000 (21:23 +0100)]
database/sql/driver: fix name in comment

DefaultValueConverter => DefaultParameterConverter

Change-Id: I0e726cfdbf21a5e00928899d1fd9144f89dcb805
Reviewed-on: https://go-review.googlesource.com/c/go/+/555235
Reviewed-by: Ian Lance Taylor <iant@google.com>
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9 months agoos: clarify that IsNotExist, IsExist, IsPermission and IsTimeout work with nil errors
Diogo Pinela [Thu, 28 Mar 2019 20:35:28 +0000 (20:35 +0000)]
os: clarify that IsNotExist, IsExist, IsPermission and IsTimeout work with nil errors

Referring to these functions' parameter as "*the* error" could be taken
to imply that a non-nil error from elsewhere is expected; referring to
it as "its argument" avoids that ambiguity.

Fixes #31065

Change-Id: I117892dd53fff6f92d11a416e4abedee5d2f9337
Reviewed-on: https://go-review.googlesource.com/c/go/+/170077
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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9 months agocrypto/tls: add support for -expect-no-hrr to bogo_shim_test
Clide Stefani [Tue, 25 Jun 2024 15:46:39 +0000 (11:46 -0400)]
crypto/tls: add support for -expect-no-hrr to bogo_shim_test

The existing implementation of bogo_shim_test does not support tests
that use the expect-no-hrr flag. This change adds support for this flag.

Updates #51434

Change-Id: Iadb38fc2262783cab144a7b52904d0443e7fc2c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/594835
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>

9 months agomath: remove riscv64 assembly implementations of rounding
Jorropo [Sat, 6 Jul 2024 02:48:04 +0000 (04:48 +0200)]
math: remove riscv64 assembly implementations of rounding

Fixes #68322

This reverts commit ad377e906a8ee6f27545d83de280206dacec1e58.

Change-Id: Ifa4811e2c679d789cc830dbff5e50301410e24d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/596516
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Commit-Queue: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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9 months agocontext: handle nil values for valueCtx.String()
Sean Liao [Tue, 9 Jul 2024 19:24:34 +0000 (20:24 +0100)]
context: handle nil values for valueCtx.String()

Fixes #68356

Change-Id: I57dc089a99f545e29a6759a8db5e28fabb6d1a61
Reviewed-on: https://go-review.googlesource.com/c/go/+/597415
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

9 months agoruntime: avoid multiple records with identical stacks from MutexProfile
Nick Ripley [Tue, 2 Jul 2024 16:53:36 +0000 (12:53 -0400)]
runtime: avoid multiple records with identical stacks from MutexProfile

When using frame pointer unwinding, we defer frame skipping and inline
expansion for call stacks until profile reporting time. We can end up
with records which have different stacks if no frames are skipped, but
identical stacks once skipping is taken into account. Returning multiple
records with the same stack (but different values) has broken programs
which rely on the records already being fully aggregated by call stack
when returned from runtime.MutexProfile. This CL addresses the problem
by handling skipping at recording time. We do full inline expansion to
correctly skip the desired number of frames when recording the call
stack, and then handle the rest of inline expansion when reporting the
profile.

The regression test in this CL is adapted from the reproducer in
https://github.com/grafana/pyroscope-go/issues/103, authored by Tolya
Korniltsev.

Fixes #67548

Co-Authored-By: Tolya Korniltsev <korniltsev.anatoly@gmail.com>
Change-Id: I6a42ce612377f235b2c8c0cec9ba8e9331224b84
Reviewed-on: https://go-review.googlesource.com/c/go/+/595966
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Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
9 months agocrypto/tls: add support for -reject-alpn and -decline-alpn flags to bogo_shim_test
Clide Stefani [Tue, 11 Jun 2024 18:42:13 +0000 (14:42 -0400)]
crypto/tls: add support for -reject-alpn and -decline-alpn flags to bogo_shim_test

The existing implementation of bogo_shim_test does not support tests
which use the reject-alpn or the decline-alpn flag.
This change adds support for these flags in bogo_shim_test.

Updates #51434
Updates #46310

Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Change-Id: I3ff23ff4edd8f4c6c37ee6c9f2ee4689066c4e00
Reviewed-on: https://go-review.googlesource.com/c/go/+/592198
Reviewed-by: Roland Shoemaker <roland@golang.org>
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9 months agocrypto/internal/cryptotest: add common tests for the hash.Hash interface
Manuel Sabin [Fri, 7 Jun 2024 18:50:42 +0000 (14:50 -0400)]
crypto/internal/cryptotest: add common tests for the hash.Hash interface

This CL creates the cryptotest package to host a suite of tests
for interfaces that are implemented in the crypto package.  This CL
includes a set of tests for the hash.Hash interface, and calls these tests from the tests of hash.Hash implementations in crypto/.

Tests for other interfaces will be included in subsequent CLs.

Updates #25309

Change-Id: Ic47086fd7f585e812c8b0d2186c50792c773781e
Reviewed-on: https://go-review.googlesource.com/c/go/+/592855
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Russell Webb <russell.webb@protonmail.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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9 months agotesting: remove call to os.Exit in documentation for TestMain
Julian Dax [Sun, 7 Jul 2024 21:41:02 +0000 (23:41 +0200)]
testing: remove call to os.Exit in documentation for TestMain

In the example for the TestMain function, os.Exit was called explicitly,
which is no longer necessary since Go 1.15 (see change #219639).

Updates #34129

Change-Id: Ia8021de0d5699742adbb7ab6d28b11c841e596dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/596977
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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9 months agounsafe: clarify when String bytes can be modified
Ian Lance Taylor [Sat, 6 Jul 2024 21:42:16 +0000 (14:42 -0700)]
unsafe: clarify when String bytes can be modified

They can be modified when the string returned by String no longer exists.

Fixes #68300

Change-Id: I526a068151f7aad1ab6827504b51a84e7399cafe
Reviewed-on: https://go-review.googlesource.com/c/go/+/596955
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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9 months agocmd/dist: remove iter,slices,maps test on GOEXPERIMENT=rangefunc
qiulaidongfeng [Sat, 6 Jul 2024 23:03:27 +0000 (23:03 +0000)]
cmd/dist: remove iter,slices,maps test on GOEXPERIMENT=rangefunc

In go1.23, don't need use GOEXPERIMENT=rangefunc enable range-over-func.

Change-Id: I88b799c4b38c8fbeed8d9f912a0c3c6c45c80e9d
GitHub-Last-Rev: 64fd4524f1d2f66049fdce1f68912742c98fb8d9
GitHub-Pull-Request: golang/go#68325
Reviewed-on: https://go-review.googlesource.com/c/go/+/596517
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9 months agoio: add test for Pipe constructor allocations
Cuong Manh Le [Fri, 24 May 2024 16:41:22 +0000 (23:41 +0700)]
io: add test for Pipe constructor allocations

Updates #67633

Change-Id: If3da9317ba36cb8a7868db94b45c402e1793e018
Reviewed-on: https://go-review.googlesource.com/c/go/+/588219
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9 months agoos/exec: only use cachedLookExtensions if Cmd.Path is unmodified
Dmitri Shuralyov [Thu, 4 Jul 2024 22:07:45 +0000 (18:07 -0400)]
os/exec: only use cachedLookExtensions if Cmd.Path is unmodified

Caching the invocation of lookExtensions on an absolute path in Command
and reusing the cached result in Start is only viable if Cmd.Path isn't
set to a different value after Command returns.

For #66586.
Fixes #68314.

Change-Id: I57007850aca2011b11344180c00faded737617b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/596875
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
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9 months agocmd/compile: correct RewriteMultiValueCall fatal message
Cuong Manh Le [Wed, 3 Jul 2024 04:46:46 +0000 (11:46 +0700)]
cmd/compile: correct RewriteMultiValueCall fatal message

The function name was changed in CL 331470.

Change-Id: I6f41866a9c5ccce594dd84185ebfc1c5af280184
Reviewed-on: https://go-review.googlesource.com/c/go/+/596395
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9 months agocmd/compile: fix ICE when compiling global a, b = f()
Cuong Manh Le [Tue, 2 Jul 2024 10:17:39 +0000 (17:17 +0700)]
cmd/compile: fix ICE when compiling global a, b = f()

CL 327651 rewrites a, b = f() to use temporaries when types are not
identical. That would leave OAS2 node appears in body of init function
for global variables initialization. The staticinit pass is not updated
to handle OAS2 node, causing ICE when compiling global variables.

To fix this, handle OAS2 nodes like other OAS2*, since they mostly
necessitate dynamic execution anyway.

Fixes #68264

Change-Id: I1eff8cc3e47035738a2c70d3169e35ec36ee9242
Reviewed-on: https://go-review.googlesource.com/c/go/+/596055
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10 months agocmd/link: don't disable memory profiling when pprof.WriteHeapProfile is used
Cherry Mui [Wed, 3 Jul 2024 18:14:34 +0000 (14:14 -0400)]
cmd/link: don't disable memory profiling when pprof.WriteHeapProfile is used

We have an optimization that if the memory profile is not consumed
anywhere, we set the memory profiling rate to 0 to disable the
"background" low-rate profiling. We detect whether the memory
profile is used by checking whether the runtime.MemProfile function
is reachable at link time. Previously, all APIs that access the
memory profile go through runtime.MemProfile. But the code was
refactored in CL 572396, and now the legacy entry point
WriteHeapProfile uses pprof_memProfileInternal without going
through runtime.MemProfile. In fact, even with the recommended
runtime/pprof.Profile API (pprof.Lookup or pprof.Profiles),
runtime.MemProfile is only (happen to be) reachable through
countHeap.

Change the linker to check runtime.memProfileInternal instead,
which is on all code paths that retrieve the memory profile. Add
a test case for WriteHeapProfile, so we cover all entry points.

Fixes #68136.

Change-Id: I075c8d45c95c81825a1822f032e23107aea4303c
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10 months agocmd/cgo: read CGO_LDFLAGS environment variable
Ian Lance Taylor [Wed, 3 Jul 2024 18:20:54 +0000 (11:20 -0700)]
cmd/cgo: read CGO_LDFLAGS environment variable

For #66456 we changed from the CGO_LDFLAGS environment variable to
the -ldflags option. This broke Bazel, which uses CGO_LDFLAGS.
So restore reading CGO_LDFLAGS for now.

For #66456

Change-Id: Iebdd8bde1c7c18da09c6370e284c7ac7fa08fc54
Reviewed-on: https://go-review.googlesource.com/c/go/+/596615
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10 months agocmd/compile: fix mis-compilation when switching over channels
Cuong Manh Le [Mon, 24 Jun 2024 19:35:19 +0000 (02:35 +0700)]
cmd/compile: fix mis-compilation when switching over channels

CL 418101 changes Unified IR writer to force mixed tag/case to have
common type, emitting the implicit conversion if any of the case values
are not assignable to the tag value's type.

However, the Go spec definition of equality is non-transitive for
channels stored in interfaces, causing incorrect behavior with channel
values comparison.

To fix it, don't emit the implicit conversions if tag type is channel.

Fixes #67190

Change-Id: I9a29d9ce3c7978f0689e9502ba6f15660c763d16
Reviewed-on: https://go-review.googlesource.com/c/go/+/594575
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10 months agocmd/compile: emit error message on mismatch import path
Cuong Manh Le [Wed, 3 Jul 2024 06:13:05 +0000 (13:13 +0700)]
cmd/compile: emit error message on mismatch import path

Fixes #54542

Change-Id: I16cfb84fc54892923106d0a6f0b3ba810886d077
Reviewed-on: https://go-review.googlesource.com/c/go/+/596396
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10 months agocmd/link: document -checklinkname option
Ian Lance Taylor [Tue, 2 Jul 2024 18:44:43 +0000 (11:44 -0700)]
cmd/link: document -checklinkname option

For #67401

Change-Id: I04bff1c942a4033325450c0b7dddc7980f3373cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/596216
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10 months agotime: fix time zone parsing when format includes time zone seconds
Darin Krauss [Mon, 1 Jul 2024 17:25:28 +0000 (13:25 -0400)]
time: fix time zone parsing when format includes time zone seconds

The current implementation fails to parse a time string with a "Z"
time zone using a time format that includes time zone seconds. This
fix correctly parses the "Z" time zone for any Z-base time format
that includes seconds (i.e. "Z070000" or "Z07:00:00").

Fixes #68263

Change-Id: Idf8fa06b5f96383f050c4ffbd2bc5804fd408650
Reviewed-on: https://go-review.googlesource.com/c/go/+/595897
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10 months agoos: add TODO about removing test exception
Kir Kolyshkin [Mon, 1 Jul 2024 19:41:56 +0000 (12:41 -0700)]
os: add TODO about removing test exception

TestChtimesOmit excludes the failure on DragonFly BSD when both
atime and mtime are omitted.

The relevant Dragonfly BSD bug is now fixed in git (see [1]).

Add a TODO comment to remove the exclusion from the test once
the fix is generally available. This comment also addresses the
question why the exception exists.

Amends CL 591535.

[1]: https://github.com/DragonFlyBSD/DragonFlyBSD/commit/c7c71870ed0

Change-Id: I3b53582301d44feb76b53788aa337c380ba82592
Reviewed-on: https://go-review.googlesource.com/c/go/+/595958
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10 months agocmd/go/internal/workcmd: remove a potentially confusing statement
Michael Matloob [Mon, 1 Jul 2024 18:13:21 +0000 (14:13 -0400)]
cmd/go/internal/workcmd: remove a potentially confusing statement

A statement in the go work use docs that was meant to clarify that go
work use would clean up use statements where the directories did not
exist ended up causing confusion.

Remove that statement for now. We might want to add something back in
the future.

For #68245

Change-Id: I7f6646b5dd05c18aa15e0e54f2816753f318404e
Reviewed-on: https://go-review.googlesource.com/c/go/+/595536
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10 months agocmd/link: align .reloc block starts by 32 bits for PE target
Than McIntosh [Mon, 1 Jul 2024 16:11:33 +0000 (16:11 +0000)]
cmd/link: align .reloc block starts by 32 bits for PE target

Tweak the code that emits the PE ".reloc" section on Windows to ensure
that each relocation block is 32-bit aligned, which is required by the
PE standard.

Fixes #68260.

Change-Id: I39b75a7491b00fa97871aebb90d3be0ec09f9c40
Reviewed-on: https://go-review.googlesource.com/c/go/+/595896
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10 months agocmd/go: update go clean help message
Mohamed Yousif [Mon, 24 Jun 2024 16:14:03 +0000 (16:14 +0000)]
cmd/go: update go clean help message

Update the help message for the go clean command to include
the correct usage and flags for better clarity.

This change follows instructions by Ian on this thread <https://groups.google.com/g/golang-nuts/c/VENQ0fqLCSc/m/qO8EuawVBwAJ?pli=1>.

Change-Id: Ia509a38ee9ec7c31d384c3563535c5e3ccd9a9ce
GitHub-Last-Rev: 3048b2e4bd10a8d25da479f96c9d90ecb3c63082
GitHub-Pull-Request: golang/go#68135
Reviewed-on: https://go-review.googlesource.com/c/go/+/593639
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10 months agosync: refer to Locker interface methods in RWMutex.RLocker doc
Dmitri Shuralyov [Sat, 29 Jun 2024 20:35:40 +0000 (20:35 +0000)]
sync: refer to Locker interface methods in RWMutex.RLocker doc

The methods being implemented are part of the Locker interface,
not the RWMutex struct.

Fixes #68250.

Change-Id: I609c4d5c44e90a12914a8678971ba295519cc265
Reviewed-on: https://go-review.googlesource.com/c/go/+/595875
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10 months agoruntime: fix nil pointer in TestGoroutineParallelism2 when offline
Tom Levy [Mon, 13 May 2024 04:10:34 +0000 (04:10 +0000)]
runtime: fix nil pointer in TestGoroutineParallelism2 when offline

Previously, the test would crash when running on a computer without an
internet connection, e.g. in airplane mode (stack trace below).

The bug was that the condition was inverted. The code tried to close
the listener if `err != nil` (that is, if net.Listen() failed). But if
Listen() failed then there is no listener to close! The listener
should only be closed if Listen() succeeded.

Here is the stack trace from `go test runtime` when offline:

```
--- FAIL: TestGoroutineParallelism2 (0.16s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x7bdaa1]

goroutine 3858 gp=0xc000185180 m=5 mp=0xc000100008 [running]:
panic({0x854960?, 0xbf70b0?})
<go>/src/runtime/panic.go:778 +0x168 fp=0xc0000afad8 sp=0xc0000afa28 pc=0x441bc8
testing.tRunner.func1.2({0x854960, 0xbf70b0})
<go>/src/testing/testing.go:1632 +0x230 fp=0xc0000afb88 sp=0xc0000afad8 pc=0x524090
testing.tRunner.func1()
<go>/src/testing/testing.go:1635 +0x35e fp=0xc0000afd18 sp=0xc0000afb88 pc=0x523a7e
panic({0x854960?, 0xbf70b0?})
<go>/src/runtime/panic.go:759 +0x132 fp=0xc0000afdc8 sp=0xc0000afd18 pc=0x441b92
runtime.panicmem(...)
<go>/src/runtime/panic.go:261
runtime.sigpanic()
<go>/src/runtime/signal_unix.go:900 +0x359 fp=0xc0000afe28 sp=0xc0000afdc8 pc=0x483c79
runtime_test.testGoroutineParallelism2(0x522e13?, 0x0, 0x1)
<go>/src/runtime/proc_test.go:204 +0x221 fp=0xc0000aff50 sp=0xc0000afe28 pc=0x7bdaa1
runtime_test.TestGoroutineParallelism2(0xc000221520)
<go>/src/runtime/proc_test.go:151 +0x30 fp=0xc0000aff70 sp=0xc0000aff50 pc=0x7bd850
testing.tRunner(0xc000221520, 0x8fed88)
<go>/src/testing/testing.go:1690 +0xf4 fp=0xc0000affc0 sp=0xc0000aff70 pc=0x523674
testing.(*T).Run.gowrap1()
<go>/src/testing/testing.go:1743 +0x25 fp=0xc0000affe0 sp=0xc0000affc0 pc=0x524665
runtime.goexit({})
<go>/src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0000affe8 sp=0xc0000affe0 pc=0x487a41
created by testing.(*T).Run in goroutine 1
<go>/src/testing/testing.go:1743 +0x390
```

Change-Id: I48983fe21b3360ea9d0182c4a3b509801257027b
Reviewed-on: https://go-review.googlesource.com/c/go/+/584436
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10 months agocmd/compile: drop internal range-over-func vars from DWARF output
Alessandro Arzilli [Mon, 24 Jun 2024 13:53:55 +0000 (15:53 +0200)]
cmd/compile: drop internal range-over-func vars from DWARF output

Drops internal range-over-func variables from the DWARF output
(excluding #yield which is used by Delve).

Fixes #68238

Change-Id: Ic035e37ca3560347276cdc3b469fd564da33f4f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/594257
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10 months agonet/http: avoid appending an existing trailing slash to path again
Jes Cok [Tue, 25 Jun 2024 17:35:13 +0000 (01:35 +0800)]
net/http: avoid appending an existing trailing slash to path again

This CL is similar to CL 562557, and it takes over CL 594175.

While here, unrelatedly remove mapKeys function, use slices.Sorted(maps.Keys(ms))
to simplify code.

Fixes #67657

Change-Id: Id8b99216f87a6dcfd6d5fa61407b515324c79112
Reviewed-on: https://go-review.googlesource.com/c/go/+/594737
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10 months agocmd/compile: don't elide zero extension on top of signed values
Keith Randall [Fri, 28 Jun 2024 03:45:22 +0000 (20:45 -0700)]
cmd/compile: don't elide zero extension on top of signed values

v = ... compute some value, which zeros top 32 bits ...
w = zero-extend v

We want to remove the zero-extension operation, as it doesn't do anything.
But if v is typed as a signed value, and it gets spilled/restored, it
might be re-sign-extended upon restore. So the zero-extend isn't actually
a NOP when there might be calls or other reasons to spill in between v and w.

Fixes #68227

Change-Id: I3b30b8e56c7d70deac1fb09d2becc7395acbadf8
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10 months agocmd/go/internal/help: add documentation for language version downgrading
Michael Matloob [Thu, 27 Jun 2024 15:16:30 +0000 (11:16 -0400)]
cmd/go/internal/help: add documentation for language version downgrading

This change adds documentation for language version downgrading using
build constraints.

Fixes #68161
For #61894

Change-Id: I283a51afd7020c9fd1f5469a6a93fd814ba32f7e
Reviewed-on: https://go-review.googlesource.com/c/go/+/595475
Reviewed-by: Robert Findley <rfindley@google.com>
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10 months agoslices: update docs for All, Backward, Values
Jes Cok [Thu, 27 Jun 2024 16:00:00 +0000 (00:00 +0800)]
slices: update docs for All, Backward, Values

For #61899

Change-Id: I3586b9b59e87159d21e1a270dabb3af213592739
Reviewed-on: https://go-review.googlesource.com/c/go/+/595515
Auto-Submit: Ian Lance Taylor <iant@google.com>
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10 months agocmd/link: don't skip code sign even if dsymutil didn't generate a file
Cherry Mui [Fri, 21 Jun 2024 16:20:38 +0000 (12:20 -0400)]
cmd/link: don't skip code sign even if dsymutil didn't generate a file

Even if dsymutil didn't generate a file (which should not happen
with the Apple toolchain with the correct setup), we should not
skip next steps, e.g. code sign. A return statement makes it exit
too early.

Updates #68088.

Change-Id: Ic1271ed1b7fe5bdee5a25cc5d669a105173b389e
Reviewed-on: https://go-review.googlesource.com/c/go/+/593660
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10 months agocmd/link: don't let dsymutil delete our temp directory
Cherry Mui [Fri, 21 Jun 2024 15:56:45 +0000 (11:56 -0400)]
cmd/link: don't let dsymutil delete our temp directory

To work around #59026, where dsymutil may not clean up its temp
directory at exit, we set DSYMUTIL_REPRODUCER_PATH to our temp
directory so it uses that, and we can delete it at the end.

In Xcode 16 beta, dsymutil deletes the DSYMUTIL_REPRODUCER_PATH
directory even if it is not empty. We still need our tmpdir at the
point, so give a subdirectory to dsymutil instead.

For #68088.

Change-Id: I18759cc39512819bbd0511793ce917eae72245d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/593659
Reviewed-by: Than McIntosh <thanm@google.com>
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10 months agoos: rewrite TestChtimesWithZeroTimes
Kir Kolyshkin [Sun, 9 Jun 2024 19:47:23 +0000 (12:47 -0700)]
os: rewrite TestChtimesWithZeroTimes

First, this enables checks on DragonFly BSD, which partially works since
CL 589496 (except two things: atime is not supported on hammer2 fs, and
when both times are omitted, it doesn't work due to a kernel bug).

Second, there are a few problems with TestChtimesWithZeroTimes:

 - test cases are interdependent (former cases influence the latter ones),
   making the test using too many different times and also hard to read;

 - time is changed forward not backward which could be racy;

 - if the test has failed, it hard to see which exact case is failing.

Plus, there are issues with the error exclusion code in
TestChtimesWithZeroTimes:

 - the atime comparison is done twice for the default ("unix") case;

 - the atime exclusion caused by noatime mount flag applies to all
   unixes rather than netbsd only as it should;

 - the atime exclusion tries to read wrong files (/bin/mounts and
   /etc/mtab instead of /proc/mounts);

 - the exclusion for netbsd is only applied for 64-bit arches, which
   seems wrong (and I've reproduced noatime issue on NetBSD 9.4/i386).

Let's rewrite it, fixing all these issues, and rename to
TestChtimesOmit.

NB: TestChtimes can now be removed.

Change-Id: If9020256ca920b4db836a1f0b2e055b5fce4a552
Reviewed-on: https://go-review.googlesource.com/c/go/+/591535
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10 months agocrypto/tls: apply QUIC session event flag to QUICResumeSession events
Damien Neil [Mon, 24 Jun 2024 17:01:47 +0000 (10:01 -0700)]
crypto/tls: apply QUIC session event flag to QUICResumeSession events

Go 1.23 adds two new events to QUICConns: QUICStoreSessionEvent and
QUICResumeSessionEvent. We added a QUICConfig.EnableStoreSessionEvent
flag to control whether the store-session event is provided or not,
because receiving this event requires additional action from the caller:
the session must be explicitly stored with QUICConn.StoreSession.

We did not add a control for whether the resume-session event is
provided, because this event requires no action and the caller is
expected to ignore unknown events.

However, we never documented the expectation that callers ignore
unknown events, and quic-go produces an error when receiving an
unexpected event. So change the EnableStoreSessionEvent flag to
apply to both new events.

Fixes #68124
For #63691

Change-Id: I84af487e52b3815f7b648e09884608f8915cd645
Reviewed-on: https://go-review.googlesource.com/c/go/+/594475
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10 months agocmd/internal/obj/arm64: fix return with register
Joel Sing [Fri, 14 Jun 2024 15:28:46 +0000 (01:28 +1000)]
cmd/internal/obj/arm64: fix return with register

ARM64 allows for a register to be specified with a return
instruction. While the assembler parsing and encoding currently
supports this, the preprocess function uses LR unconditionally.
Correct this such that if a register is specified, the register
is used.

Change-Id: I708f6c7e910d141559b60d2d5ee76ae2e1dc3a0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/592796
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10 months agocmd/compile: update README to reflect dead code elimination changes
func25 [Sun, 23 Jun 2024 05:53:47 +0000 (05:53 +0000)]
cmd/compile: update README to reflect dead code elimination changes

The description of middle-end dead code elimination is inconsistent with the current implementation.

The early dead code elimination pass of IR nodes is no longer located in cmd/compile/internal/deadcode and is no longer called by gc/main.go:Main. It has been moved to the unified IR writer phase. This update modifies the README to reflect this architectural change.

Change-Id: I78bd486edefd6b02948fee7de9ce6c83b147bc1d
GitHub-Last-Rev: 76493ce8b08cd585d761d65d29b984360f7ee628
GitHub-Pull-Request: golang/go#68134
Reviewed-on: https://go-review.googlesource.com/c/go/+/593638
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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10 months agocmd: run go mod tidy after CL 593684
Dmitri Shuralyov [Mon, 24 Jun 2024 20:39:21 +0000 (16:39 -0400)]
cmd: run go mod tidy after CL 593684

Reported by TestAllDependencies/cmd(thorough) in cmd/internal/moddeps.

Change-Id: I897baf00efbfebd07abe387f54c7ce4fc14444e6
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10 months agocmd/vendor: vendor x/telemetry@38a4430
Hana (Hyang-Ah) Kim [Mon, 24 Jun 2024 15:45:12 +0000 (11:45 -0400)]
cmd/vendor: vendor x/telemetry@38a4430

For #68109

Change-Id: I73a3d23dd6c15ff4954ebe7a52c6c308fea947ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/593684
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10 months agonet/http: document that Request.Clone does not deep copy Body
Damien Neil [Mon, 17 Jun 2024 21:54:22 +0000 (14:54 -0700)]
net/http: document that Request.Clone does not deep copy Body

Fixes #36095

Change-Id: I94ae014b0ee45b4aeb38cb247e42cfc13f663ded
Reviewed-on: https://go-review.googlesource.com/c/go/+/593175
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10 months agocrypto/tls: replay test recordings without network
Filippo Valsorda [Sun, 23 Jun 2024 12:10:14 +0000 (14:10 +0200)]
crypto/tls: replay test recordings without network

There is no reason to go across a pipe when replaying a conn recording.
This avoids the complexity of using localPipe and goroutines, and makes
handshake benchmarks more accurate, as we don't measure network
overhead.

Also note how it removes the need for -fast: operating locally we know
when the flow is over and can error out immediately, without waiting for
a read from the feeder on the other side of the pipe to timeout.

Avoids some noise in #67979, but doesn't fix the two root causes:
localPipe flakes and testing.B races.

Updates #67979

Change-Id: I153d3fa5a24847f3947823e8c3a7bc639f89bc1d
Reviewed-on: https://go-review.googlesource.com/c/go/+/594255
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10 months agoos: TestChtimes: separate hasNoatime
Kir Kolyshkin [Fri, 21 Jun 2024 23:59:21 +0000 (16:59 -0700)]
os: TestChtimes: separate hasNoatime

Move the noatime check to a separate function (to be used by CL 91535),
adding some documentation along the way.

Unify the atime error message.

Change-Id: I5f75a4399f6e1b16ae20438003de5460f3eeb5aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/594075
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10 months agocmd/internal/obj/arm64: Enable arm64 assembler tests for cross-compiler builds
Sebastian Nickolls [Thu, 25 Apr 2024 16:19:20 +0000 (17:19 +0100)]
cmd/internal/obj/arm64: Enable arm64 assembler tests for cross-compiler builds

Some of the tests for the arm64 assembler are not running for
cross-compiled arm64 builds with GOARCH=arm64. This patch allows the
tests to run for all architectures and moves the test that can only run on
arm64 into its own conditionally compiled file.

Updates #44734

Change-Id: I045870d47cdc1280bfacc1ef275f34504278ed89
Reviewed-on: https://go-review.googlesource.com/c/go/+/587315
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10 months agonet/netip: add test that Compare and reflect.DeepEqual match
Brad Fitzpatrick [Mon, 24 Jun 2024 14:57:45 +0000 (07:57 -0700)]
net/netip: add test that Compare and reflect.DeepEqual match

Updates #68113

Change-Id: I1107686ef364f77f48f55534ea8ec68d1785e1e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/594375
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10 months agonet/netip: unexport fields of addrDetail
Ian Lance Taylor [Sun, 23 Jun 2024 22:21:28 +0000 (15:21 -0700)]
net/netip: unexport fields of addrDetail

For #68113

Change-Id: I19c7d8eff8e3a7a1b6c8e28cb867edeca6be237d
Reviewed-on: https://go-review.googlesource.com/c/go/+/593737
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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10 months agocmd/link/internal/ld: handle "\r" in MinGW "--print-prog-name" output
Davis Goodin [Fri, 21 Jun 2024 23:44:44 +0000 (16:44 -0700)]
cmd/link/internal/ld: handle "\r" in MinGW "--print-prog-name" output

Fix the "gcc --print-prog-name" output parser to handle "\r\n", not only
"\n". The MinGW compiler on Windows uses "\r\n" as line endings, causing
the existing parser to create paths like
".../x86_64-w64-mingw32/bin/ar.exe\r", which is not correct. By trimming
the "\r\n" cutset, both types of line endings are handled correctly.

Fixes #68121

Change-Id: I04b8bf9b6a5b29a1e59a6aa07fa4faa4c5bdeee6
Reviewed-on: https://go-review.googlesource.com/c/go/+/593916
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10 months agocmd/link: handle dynamic import variables on Darwin in plugin mode
Cherry Mui [Mon, 17 Jun 2024 18:44:42 +0000 (14:44 -0400)]
cmd/link: handle dynamic import variables on Darwin in plugin mode

CL 501855 added support for cgo_dynamic_import variables on Darwin.
But it didn't support the plugin build mode on amd64, where the
assembler turns a direct load (R_PCREL) to a load via GOT
(R_GOTPCREL). This CL adds the support. We just need to handle
external linking mode, as this can only occur in plugin or shared
build mode, which requires external linking.

Fixes #67976.
Updates #50891.

Change-Id: I0f56265d50bfcb36047fa5538ad7a5ec77e7ef96
Reviewed-on: https://go-review.googlesource.com/c/go/+/592499
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10 months agocmd: vendor golang.org/x/telemetry@a740542
Michael Matloob [Fri, 21 Jun 2024 20:32:37 +0000 (16:32 -0400)]
cmd: vendor golang.org/x/telemetry@a740542

Commands run:
go get golang.org/x/telemetry@a740542
go mod tidy
go mod vendor

Change-Id: I8b1a71adc05f3c54f9492dfb9cfd1873727e5680
Reviewed-on: https://go-review.googlesource.com/c/go/+/594017
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10 months agodoc/next: delete
Gopher Robot [Fri, 21 Jun 2024 19:19:05 +0000 (19:19 +0000)]
doc/next: delete

The release note fragments have been merged and added
as _content/doc/go1.23.md in x/website in CL 594035.

For #65614.

Change-Id: I7c8c718bc065024b6bdca93ce9bcc3c5d8b2dbc7
Reviewed-on: https://go-review.googlesource.com/c/go/+/594036
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10 months agocmd/internal: separate counter package from telemetry package
Michael Matloob [Fri, 21 Jun 2024 18:35:14 +0000 (14:35 -0400)]
cmd/internal: separate counter package from telemetry package

Move the code that opens and increments counters out of the
cmd/internal/telemetry package into cmd/internal/telemetry/counter. The
telemetry package has dependencies on the upload code, which we do not
want to pull into the rest of the go toolchain.

For #68109

Change-Id: I463c106819b169177a783de4a7d93377e81f4e3e
Reviewed-on: https://go-review.googlesource.com/c/go/+/593976
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10 months agocmd/vendor: pull in golang.org/x/telemetry@b4de734
Michael Matloob [Fri, 21 Jun 2024 18:49:21 +0000 (14:49 -0400)]
cmd/vendor: pull in golang.org/x/telemetry@b4de734

Commands run:
go get golang.org/x/telemetry@b4de734
go mod tidy
go mod vendor

For #68109

Change-Id: Ied81cbb111ed66f9bbc94f0db09b5f2430fbff6f
Reviewed-on: https://go-review.googlesource.com/c/go/+/594015
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10 months agoiter: minor doc comment updates
Ian Lance Taylor [Wed, 19 Jun 2024 00:49:10 +0000 (17:49 -0700)]
iter: minor doc comment updates

Remove old return value. Use single variable range for iter.Seq[V].
Rewrite Pairs implementation to not loop forever.

Fixes #68056
Fixes #68073

Change-Id: I7ede0fe8ed058bbd57869d87e17b7f2c3641f7dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/593555
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10 months agocmd/cgo: fail on v, err := C.fn when fn is a builtin function
Ian Lance Taylor [Fri, 31 May 2024 05:29:35 +0000 (22:29 -0700)]
cmd/cgo: fail on v, err := C.fn when fn is a builtin function

We were already checking for _CMalloc, but in fact none of the
builtin functions support returning an error.

Fixes #67707

Change-Id: I0ee432a9f13ace472c3f36f641efc7d18eda0631
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10 months agoos: improve newFile, rm newDir
Kir Kolyshkin [Wed, 12 Jun 2024 00:25:06 +0000 (17:25 -0700)]
os: improve newFile, rm newDir

1. Assuming that CI environments do not use NFS (and if they do,
   they have TMPDIR set pointing to a local file system), we can

 - remove localTmp;
 - remove newDir, replacing calls to it with t.TempDir;
 - remove repeated comments about NFS.

2. Use t.Name, t.Cleanup and t.Helper to improve newFile and simplify
   its usage. Ensure the cleanup reports all errors.

Change-Id: I0a79a6a3d52faa323ed2658ef73f8802847f3c09
Reviewed-on: https://go-review.googlesource.com/c/go/+/592096
Reviewed-by: Ian Lance Taylor <iant@google.com>
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10 months agoencoding/json: clarify the map's key type for Unmarshal
Jes Cok [Tue, 18 Jun 2024 15:43:21 +0000 (23:43 +0800)]
encoding/json: clarify the map's key type for Unmarshal

While here, also fix doc link for encoding.TextMarshaler.

Fixes #67495

Change-Id: Ia2a674c5c35b5a849ce8f5eef3d34d165b3195b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/593335
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Reviewed-by: Ian Lance Taylor <iant@google.com>
10 months agotypes2, go/types: correct NewTypeParam documentation
Cuong Manh Le [Fri, 21 Jun 2024 07:45:26 +0000 (14:45 +0700)]
types2, go/types: correct NewTypeParam documentation

Signature type does not have SetTypeParams method, only Named type.

Change-Id: Ic7a25c24cb821540d921eb2c94dfff31f28f7aa4
Reviewed-on: https://go-review.googlesource.com/c/go/+/593955
Reviewed-by: David Chase <drchase@google.com>
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10 months agotext/template/parse: fix handling of assignment/declaration in PipeNode.String
Rob Pike [Thu, 13 Jun 2024 23:48:09 +0000 (09:48 +1000)]
text/template/parse: fix handling of assignment/declaration in PipeNode.String

The String method for Pipes assumed all variables were declared. Easy fix:
check the IsAssign bit.

Fixes #65382

Change-Id: I58f2760c1a8bb2821c3538645d893f58fd76ae73
Reviewed-on: https://go-review.googlesource.com/c/go/+/592695
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10 months agocrypto/tls: add support for -expect-version to bogo_shim_test
Clide Stefani [Thu, 13 Jun 2024 18:57:12 +0000 (14:57 -0400)]
crypto/tls: add support for -expect-version to bogo_shim_test

The existing implementation of bogo_shim_test does not support tests
that use the expect-version flag.
This change adds support for this flag.

Updates #51434.

Change-Id: Ie23fdb06d15ec0593ca58f28144e83f93ef7f200
Reviewed-on: https://go-review.googlesource.com/c/go/+/592635
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10 months agosync/atomic: correct result names for Or methods
Austin Clements [Wed, 19 Jun 2024 02:12:35 +0000 (22:12 -0400)]
sync/atomic: correct result names for Or methods

A few of the new Or methods of the atomic types use "new" as the name
for the result value, but it actually returns the old value. Fix this
by renaming the result values to "old".

Updates #61395.

Change-Id: Ib08db9964f5dfe91929f216d50ff0c9cc891ee49
Reviewed-on: https://go-review.googlesource.com/c/go/+/593855
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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10 months agotime: provide non-default metric for asynctimerchan
Russ Cox [Thu, 2 May 2024 18:29:16 +0000 (14:29 -0400)]
time: provide non-default metric for asynctimerchan

The original implementation could not support a non-default metric,
but now that it is set during package time, we can. Do that.

Change-Id: If7929b0afa5b0142d299718d9bd811c5a8d1cf93
Reviewed-on: https://go-review.googlesource.com/c/go/+/589058
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10 months agointernal/godebugs: fix old value for httpservecontentkeepheaders
Damien Neil [Thu, 20 Jun 2024 17:23:42 +0000 (10:23 -0700)]
internal/godebugs: fix old value for httpservecontentkeepheaders

The pre-Go 1.23 behavior is httpservecontentkeepheaders=1.

For #66343

Change-Id: If6f92853b38522f19a8908ff11ac49b12f3dc3e0
Reviewed-on: https://go-review.googlesource.com/c/go/+/593775
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Auto-Submit: Damien Neil <dneil@google.com>
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10 months agocmd/compile: support generic alias type
Cuong Manh Le [Thu, 20 Jun 2024 15:58:24 +0000 (22:58 +0700)]
cmd/compile: support generic alias type

Type parameters on aliases are now allowed after #46477 accepted.

Updates #46477
Fixes #68054

Change-Id: Ic2e3b6f960a898163f47666e3a6bfe43b8cc22e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/593715
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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10 months agointernal/syscall/unix: fix UTIME_OMIT for dragonfly
Kir Kolyshkin [Thu, 30 May 2024 21:31:40 +0000 (14:31 -0700)]
internal/syscall/unix: fix UTIME_OMIT for dragonfly

CL 219638 added UTIME_OMIT values for various systems. The value for
DragonFly BSD appears to be incorrect.

The correct value is -2 (see references below), while -1 is used for
UTIME_NOW. As a result, timestamp is changed to the current time instead
of not touching. This should have been caught by the accompanying test
case, TestChtimesWithZeroTimes, but its failures are essentially skipped
on dragonfly (this is being fixed separately in a followup CL 591535).

Improve formatting while at it.

References:
 - https://github.com/DragonFlyBSD/DragonFlyBSD/blob/965b380e9609/sys/sys/stat.h#L284
 - https://go.googlesource.com/sys/+/refs/tags/v0.20.0/unix/zerrors_dragonfly_amd64.go#1421

Change-Id: I432360ca982c84b7cd70d0cf01d860af9ff985fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/589496
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10 months agonet/http: keep Content-Encoding in Error, add GODEBUG for ServeContent
Damien Neil [Mon, 17 Jun 2024 19:30:19 +0000 (12:30 -0700)]
net/http: keep Content-Encoding in Error, add GODEBUG for ServeContent

This reverts the changes to Error from CL 571995, and adds a
GODEBUG controlling the changes to ServeContent/ServeFile/ServeFS.

The change to remove the Content-Encoding header when serving an error
breaks middleware which sets Content-Encoding: gzip and wraps a
ResponseWriter in one which compresses the response body.

This middleware already breaks when ServeContent handles a Range request.
Correct uses of ServeContent which serve pre-compressed content with
a Content-Encoding: gzip header break if we don't remove that header
when serving errors. Therefore, we keep the change to ServeContent/
ServeFile/ServeFS, but we add the ability to disable the new behavior
by setting GODEBUG=httpservecontentkeepheaders=1.

We revert the change to Error, because users who don't want to include
a Content-Encoding header in errors can simply remove the header
themselves, or not add it in the first place.

Fixes #66343

Change-Id: Ic19a24b73624a5ac1a258ed7a8fe7d9bf86c6a38
Reviewed-on: https://go-review.googlesource.com/c/go/+/593157
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10 months agodoc/next: update release notes for go list -m -json
Sam Thanawalla [Tue, 18 Jun 2024 18:48:57 +0000 (18:48 +0000)]
doc/next: update release notes for go list -m -json

For #65614

Change-Id: I49921aefb79efbc012e745cc2abd9ff36c0a9149
Reviewed-on: https://go-review.googlesource.com/c/go/+/593495
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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10 months agoall: update vendored golang.org/x/tools
Dmitri Shuralyov [Tue, 18 Jun 2024 18:21:13 +0000 (14:21 -0400)]
all: update vendored golang.org/x/tools

Pull in CL 593297:

f2d2ebe4 go/analysis/passes/buildtag: retire Go 1.15 support

Along with other changes that have landed into x/tools.
This fixes a vet failure reported on longtest builders.

For #66092.

Change-Id: I549cc3f8e2c2033fe961bf014ff8cc1998021538
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10 months agodoc/next: add release notes for telemetry and the godebug directive
Michael Matloob [Fri, 7 Jun 2024 22:13:06 +0000 (18:13 -0400)]
doc/next: add release notes for telemetry and the godebug directive

For #65614

Change-Id: I6274bdaba970cfb085af500fdaf8ed078202bfdc
Reviewed-on: https://go-review.googlesource.com/c/go/+/591380
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
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10 months agomisc/ios: rework exec wrapper to only support simulator
Roland Shoemaker [Wed, 20 Mar 2024 23:09:10 +0000 (16:09 -0700)]
misc/ios: rework exec wrapper to only support simulator

This updates the tools used to execute Go binaries on the Apple iOS
Simulator to (a) work with newer arm64 macOS, (b) remove support
for running binaries on physical devices, and (c) remove the reliance on
LLDB and third-party Python packages. This makes the wrapper somewhat
simpler, and easier to understand and maintain. Additionally
clangwrap.sh is updated to reflect dropping support for targeting
physical devices.

This smoothes out the path for #66360.

Change-Id: I769127e65f5e8c6c727841168890fd8557fb0e1d
Reviewed-on: https://go-review.googlesource.com/c/go/+/573175
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10 months agocmd/go: fix go list -u -m all with too new retractions dependency
Sam Thanawalla [Mon, 20 May 2024 20:43:39 +0000 (20:43 +0000)]
cmd/go: fix go list -u -m all with too new retractions dependency

Previously, go would not report retractions of dependencies that have a
newer version of Go. With this change, we will still display retractions despite a version difference when go list -u -m is used.

Fixes: #66403
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10 months agoRevert "crypto/x509: reject serial numbers longer than 20 octets"
Roland Shoemaker [Fri, 31 May 2024 15:08:45 +0000 (15:08 +0000)]
Revert "crypto/x509: reject serial numbers longer than 20 octets"

This reverts commit 8524931a2cdc6a57afdf6f4b3375cb261c2557da.

Reason for revert: It turns out, basically no one in private PKIs can
get this right. It causes way too much breakage, and every other impl
also ignores it, so we'll continue to be in good company.

Change-Id: I2da808b411ec12f72112c49079faf9f68ae465c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/589615
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10 months agodoc: add note about x509sha1 removal in 1.24
Roland Shoemaker [Mon, 20 May 2024 19:08:36 +0000 (12:08 -0700)]
doc: add note about x509sha1 removal in 1.24

Updates #62048

Change-Id: I17f462841a80db2216806147f0a0548f95c5e21a
Reviewed-on: https://go-review.googlesource.com/c/go/+/586718
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10 months agodoc/next: improve wording for proposal 67061
Dmitri Shuralyov [Wed, 12 Jun 2024 17:08:00 +0000 (13:08 -0400)]
doc/next: improve wording for proposal 67061

For #67061.
For #65614.

Change-Id: I0e324b02537e0d40c2092139d31941a1a85a0e69
Reviewed-on: https://go-review.googlesource.com/c/go/+/592196
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10 months agodoc/next: add motivation and details links for range-over-func iterators
thepudds [Sat, 15 Jun 2024 22:00:19 +0000 (18:00 -0400)]
doc/next: add motivation and details links for range-over-func iterators

The "Changes to the language" section at the top of the release notes
will likely ultimately include more explanation about iterators, or at
least, the Go project will likely publish additional introductory
material on iterators on the blog and so on.

As a perhaps temporary step given current interest, this CL updates the
release notes with two additional links for details and motivation.

The new package documentation for the iter package is up-to-date,
precise, and also more accessible than the language spec, while the 2022
pre-proposal GitHub discussion starts with perhaps the most compelling
motivation writeup so far. (We purposefully include "2022" in the text
to help illustrate this was not the result of an overly hasty process).

We also update the target of the existing language spec reference to be
closer to the new material.

For #61405.

Change-Id: I4bc0f99c40f31edfc5c0e635dca5f844b26b6eeb
Reviewed-on: https://go-review.googlesource.com/c/go/+/592935
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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10 months agocmd/go: set GoVersion for files on the command line with vet
Sam Thanawalla [Mon, 17 Jun 2024 19:19:56 +0000 (19:19 +0000)]
cmd/go: set GoVersion for files on the command line with vet

For: #65612
Fixes: #66092
For now, we will align the behavior such that vet and the compiler agree
that gover.Local() will be used for command-line-files.

We expect to change this to set the goversion as the containing module's go
version.

Change-Id: If7f2ea3a82e8e876716f18dacc021026de175a93
Reviewed-on: https://go-review.googlesource.com/c/go/+/593156
Reviewed-by: Michael Matloob <matloob@golang.org>
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10 months agogo/doc: added the predeclared identifiers clear, min, max
Briheet Singh Yadav [Mon, 17 Jun 2024 16:30:16 +0000 (16:30 +0000)]
go/doc: added the predeclared identifiers clear, min, max

Fixes: #68028
Change-Id: Ib341b9f57b001cccc5dc9e822b7feaabcdb77e63
GitHub-Last-Rev: 8dd3467016088ab2a8797f14065d2e6104eb0505
GitHub-Pull-Request: golang/go#68029
Reviewed-on: https://go-review.googlesource.com/c/go/+/593015
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10 months agosyscall: selectively update zerrors_* on openbsd/386, openbsd/arm and openbsd/amd64
Joel Sing [Fri, 14 Jun 2024 16:00:29 +0000 (02:00 +1000)]
syscall: selectively update zerrors_* on openbsd/386, openbsd/arm and openbsd/amd64

The EBADMSG, ENOTRECOVERABLE, EOWNERDEAD and EPROTO Errno are missing
on openbsd/386, openbsd/arm and openbsd/amd64. These are the earliest
OpenBSD ports and they did not exist in the system headers when the
relevant zerror_* file was generated.

These exist for all other ports, hence it makes sense to add them
for consistency. Update error and signal strings so that they are
also consistent across OpenBSD ports.

Fixes #67998

Change-Id: I948857ef5bddcfbcdfb102c95e571d9cee009e77
Reviewed-on: https://go-review.googlesource.com/c/go/+/592795
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
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10 months agoiter: add doc comment from proposal
Russ Cox [Fri, 7 Jun 2024 12:35:32 +0000 (08:35 -0400)]
iter: add doc comment from proposal

Add the doc comment from the proposal, lightly edited.
The edits are to drop mention of value-error Seq2 usage
and to adjust for the bool result changes.

Fixes #61897.

Change-Id: Iaffbaa301064b2f8739956d602ca5fa23c89a269
Reviewed-on: https://go-review.googlesource.com/c/go/+/591096
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10 months agocmd/compile: give the closure generated for rangefunc bodies a name.
David Chase [Wed, 12 Jun 2024 15:13:26 +0000 (11:13 -0400)]
cmd/compile: give the closure generated for rangefunc bodies a name.

The generated name has the form "#yield%d" for %d = 1, 2, 3, ...
This may help the debugger connect execution within a rangefunc
loop's body to the frame containing the rest of the source code.
(It may not actually be necessary; we need to confirm with Alessandro
Aarzilli or someone else on the Delve team.)

Change-Id: Iabbb2ea5604a4bc1558c160819ac80197e1f2242
Reviewed-on: https://go-review.googlesource.com/c/go/+/592175
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
10 months agocmd/go: fix problems with coverage percentage reporting w/ -coverpkg
Than McIntosh [Wed, 12 Jun 2024 14:41:32 +0000 (14:41 +0000)]
cmd/go: fix problems with coverage percentage reporting w/ -coverpkg

This patch resolves a set of problems with "percent covered" metrics
reported when the "-coverpkg" is in effect; these bugs were introduced
in Go 1.22 with the rollout of CL 495452 and related changes.
Specifically, for runs with multiple packages selected but without
-coverpkg, "percent covered" metrics were generated for package P not
based just on P's statements but on the entire corpus of statements.

Fixes #65570.

Change-Id: I38d61886cb46ebd38d8c4313c326d671197c3568
Reviewed-on: https://go-review.googlesource.com/c/go/+/592205
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
10 months agointernal/coverage: refactor EmitPercent in preparation for bugfix
Than McIntosh [Wed, 12 Jun 2024 21:54:53 +0000 (21:54 +0000)]
internal/coverage: refactor EmitPercent in preparation for bugfix

Refactor cformat.EmitPercent to accept a package filter (list of
packages to report). This is a no-op in terms of exposed coverage
functionality, but we will need this feature in a subsequent patch.

Updates #65570.

Change-Id: I04ddc624a634837ea31c12ec395aa1295a0ea1f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/592204
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
10 months agocmd/go: fix handling of builtin packages in WriteCoverMetaFilesFile
Than McIntosh [Wed, 12 Jun 2024 14:39:19 +0000 (14:39 +0000)]
cmd/go: fix handling of builtin packages in WriteCoverMetaFilesFile

In certain unusual situations we can wind up with a build action for a
dummy (built-in) package as a dependency for the writeCoverMeta
pseudo-action generated when -coverpkg is in effect; this was causing
a panic in WriteCoverMetaFilesFile when it discovered a predecessor
whose Mode field was not "build". Update the code that constructs deps
for writeCoverMeta action to skip dummy builds.

Fixes #67953.

Change-Id: If747aeb9bae061c84290d1e10f6ea7abb0828aca
Reviewed-on: https://go-review.googlesource.com/c/go/+/592202
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
10 months agoslices: add documentation on incomparable items in SortFunc
Benson Margulies [Thu, 13 Jun 2024 22:47:18 +0000 (22:47 +0000)]
slices: add documentation on incomparable items in SortFunc

Change-Id: Ib289008c0e9b5e83c37c9b6b316f3f5de8ac339a
Reviewed-on: https://go-review.googlesource.com/c/go/+/592617
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

10 months agocmd/go: fix "go test -n -cover" glitch with no-test packages
Than McIntosh [Wed, 12 Jun 2024 19:58:36 +0000 (19:58 +0000)]
cmd/go: fix "go test -n -cover" glitch with no-test packages

Invoking "go test -n -cover ./..." on a collection of packages that
includes at least one package with code but no tests can result in
spurious error of the form

  my/package: open $WORK/b112/covmeta.b07a5f2dff1231cae3a6bdd70c8cc7c19da16abf8ac59747d8e9859c03594d37: no such file or directory

This patch fixes this issue by ensuring that we stub out some of the
meta-data file handling for no-test packages if "-n" is in effect.

Fixes #67952.

Change-Id: Ic6160c275abdec5e5b8beecc6a59accb2b8cfe7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/592201
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>