Unfortunately, LLVM TSAN decided to remove OpenBSD support, which
means that the syso files cannot currently be regenerated (see #52090).
The race_openbsd.syso contains a reference to the syscall symbol,
which has been removed from OpenBSD's libc in 7.5. As such, this
means that the race detector no longer works on openbsd/amd64 (at
least until LLVM TSAN support is reinstated for OpenBSD).
Updates #63900
Change-Id: I3474fc43a94e5197815862b7dc420b71d5e08815
Reviewed-on: https://go-review.googlesource.com/c/go/+/582255
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
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Follow-up CL help package like unique use Clone.
Change-Id: Ie64adf7e1a331f47c3cfe178c368d72fc72493ff
GitHub-Last-Rev: 499476cc4a
GitHub-Pull-Request: golang/go#67106
Reviewed-on: https://go-review.googlesource.com/c/go/+/581956
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Usually, when we increment counters for flags, the counter only contains
the flag name. For the buildmode flag, we now include the flag value
because there's a limited set of values.
We can't use CountFlags directly anymore since we have different
behavior for buildmode.
Change-Id: I956a1a97d62850df3199b5514ad507ea51355c9f
Reviewed-on: https://go-review.googlesource.com/c/go/+/582896
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This change removes cmd/go/testdata/counters.txt. It also removes the
code that prepares it and checks that it contains all registered
counters as well as counters for all flags and subcommands. It removes
the counter registration mechanism, and uses telemetry.NewCounter to
create new counters instead. It keeps the tests that check that at least
one counter is incremented if the go command is invoked in a script test.
Change-Id: Ic6bda5c64e90f0dd7e221968fce0e375e84d6e17
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For inlined frames f.Func is nil and f.Func.Name is an empty string.
f.Function is correct all the time.
Change-Id: I7c30f80e7176128ae5576b130d2891f884ee47c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/581996
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Reviewed-by: David Chase <drchase@google.com>
To help packages use these functions like "os" which using
the copied function "stringsTrimSuffix".
Change-Id: I223028ed264c7b7e95534b4883223af0988cda68
GitHub-Last-Rev: 2fd8fbf528
GitHub-Pull-Request: golang/go#67151
Reviewed-on: https://go-review.googlesource.com/c/go/+/583075
Reviewed-by: David Chase <drchase@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
This is a reapplication of CL 564576.
This reduces the go test hash/maphash time
by more than half.
After investigation it was confirmed that
the original CL would cause OOM when 32-bit machine.
This CL add testenv.ParallelOn64Bit for tests
that can be parallel on 64-bit machines,
it is not parallel on 32-bit machines,
because CL 564995 require the same API.
Change-Id: I1b7feaa07716cb3f55db4671653348fabf2396b0
GitHub-Last-Rev: 2827725558
GitHub-Pull-Request: golang/go#66359
Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/572195
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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The Repeat("-", maxInt) call should produce
panic: runtime error: makeslice: len out of range
instead of
panic: strings: Repeat output length overflow
This PR is only for theory perfection.
Change-Id: If67d87b147d666fbbb7238656f2a0cb6cf1dbb5b
GitHub-Last-Rev: 29dc0cb9c9
GitHub-Pull-Request: golang/go#67068
Reviewed-on: https://go-review.googlesource.com/c/go/+/581936
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
The golang.org/x/tools/go/analysis/passes/stdversion was forcibly
added by means of an import in a throwaway file not committed.
Change-Id: I194012ae354f6f8d2d0c1fa39612e5554a4ab1cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/582555
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Clarify that the range expression of a "for" loop is called *just* once to
rule out that it might be re-evaluated after each iteration.
Change-Id: Iedb61cd29e5238ac0168b8ac01c34d6208cc4312
Reviewed-on: https://go-review.googlesource.com/c/go/+/582775
Reviewed-by: Robert Griesemer <gri@google.com>
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This is the gccgo version of CL 15605.
For https://gcc.gnu.org/PR114699
For #11100
For #12582
For #12873
Change-Id: I30e23130737022d772971f0bd629b57269174886
Reviewed-on: https://go-review.googlesource.com/c/go/+/582975
Reviewed-by: Than McIntosh <thanm@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Goids are designed to be big enough that they will never be reused:
a uint64 is enough to generate a new goroutine every nanosecond
for 500+ years before wrapping around, and after 500 years you
should probably stop and pick up some security updates.
This note was added in CL 70993 and appears to have just been
a misunderstanding by the CL author.
Change-Id: Ida7099b5191a4e5dbb1e3e9e44b4b86d7779fd6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/582895
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Auto-Submit: Russ Cox <rsc@golang.org>
Fixes#67137
- Make it clear the benchmark function is called multiple times.
- Demonstrate range over int.
Change-Id: I7e993d938b0351012cdd4aed8528951e0ad406ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/582835
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
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This CL adds a wrapper for the golang.org/x/telemetry/counter.NewStack
function so that it can be used by the compiler.
Also add build constraints for compiler_bootstrap to build the stubs
when we're bootstrapping the compiler.
For #58894
Change-Id: Icdbdd7aa6d2a3f1147112739c6939e14414f5ee9
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[Reader.Reader] does not exist in this package.
These docs most likely meant to refer to [Reader] itself.
Change-Id: I4fa117e8541573e0be7c13751fdfc102d5f2d604
Reviewed-on: https://go-review.googlesource.com/c/go/+/582515
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The routing tree used for matching ServeMux patterns used the
key "*" to hold a child node for a multi-segment wildcard.
The problem is that "*" is a valid path segment, which confused
the matching algorithm: it would fetch the multi wildcard child
when looking for the literal child for "*".
Eschew clever encodings. Use a separate field in the node to
represent the multi wildcard child.
Fixes#67067.
Change-Id: I300ca08b8628f5367626cf41979f6c238ed8c831
Reviewed-on: https://go-review.googlesource.com/c/go/+/582115
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Change-Id: Id15ebd9e97a8626e64665f6830a662e62432a619
Reviewed-on: https://go-review.googlesource.com/c/go/+/582500
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It is better to have a single implementation of VolumeName, which is
quite tricky to get right on Windows.
Change-Id: Ibba82dd71fe10b594cb6f782582430aa422e7078
Reviewed-on: https://go-review.googlesource.com/c/go/+/582499
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It is better to have a single implementation of IsAbs, which is quite
tricky to get right on Windows.
Change-Id: I45933b0ceff2920d9eddb61e62aacb2602c3dc8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/582498
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Change-Id: I826412175876a84ab978aba9418be28593484fba
GitHub-Last-Rev: d35753c7e0
GitHub-Pull-Request: golang/go#67112
Reviewed-on: https://go-review.googlesource.com/c/go/+/582435
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: Ic9cf871d862aec54ab8f491b8bc8d2820aecc875
Reviewed-on: https://go-review.googlesource.com/c/go/+/582497
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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CL 532217 added the newDNSError function.
However, the implementation was not correct on
Plan 9, which lead TestLookupNoSuchHost to fail.
This change fixes lookupHost on Plan 9.
Fixes#67096.
Change-Id: I39271f7d588b19c1b1608f18a24d871460be09cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/582236
Reviewed-by: Joedian Reid <joedian@google.com>
Run-TryBot: David du Colombier <0intro@gmail.com>
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To make it easier to read.
Change-Id: I2fa1eb78d879b9d86b4dc839be7ede37c7c864f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/581976
Auto-Submit: Ian Lance Taylor <iant@google.com>
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See #66870
Change-Id: I781265355a3dbd0d9538bc9dcafaa83b482ec3f8
GitHub-Last-Rev: 9d92f116b0
GitHub-Pull-Request: golang/go#66922
Reviewed-on: https://go-review.googlesource.com/c/go/+/580515
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Joedian Reid <joedian@google.com>
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The local variable may not be 64bit aligned, which caused arm tests
to fail.
Fixes#67077
Change-Id: Ia3ae4abcc90319cb10cd593bdc7994cc6eeb3a28
Reviewed-on: https://go-review.googlesource.com/c/go/+/581916
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
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Reviewed-by: Keith Randall <khr@google.com>
time.Since has optimizations for measuring monotonic time.
For #31160.
Change-Id: I0529b9f69b9f008e3414b8e386b6faa64af4a008
Reviewed-on: https://go-review.googlesource.com/c/go/+/582135
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
ksh handles make.bash surprisingly well and is a smaller
supply chain attack surface, so it's reasonable to want
to use "ksh make.bash" to build Go.
The only place where ksh and bash disagree in running
make.bash is an arguable bug in ksh that
X=Y foo
accidentally changes the real value of X following that
command when foo is a shell function. (It correctly preserves
the original value of X when foo is a command being invoked.)
More specifically,
GOROOT=$GOROOT_BOOTSTRAP nogoenv foo
incorrectly changes $GOROOT in the rest of the script.
CL 580020 suggested using a subshell, but subshells
historically have lost "set -e", so we'd have to use (...) || exit 1.
Instead of that, this CL refactors nogoenv into bootstrapenv,
putting it in charge of changing $GOROOT the same way it
changes all the other environment variables.
This CL also updates make.rc for parallelism.
It does not bother updating make.bat: that part is already
a bit different, and attempting to change it is all risk, no reward.
Change-Id: I5923a6fb5016a3862363363859365d1cd4f61a1d
Reviewed-on: https://go-review.googlesource.com/c/go/+/582076
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Reviewed-by: Eric Grosse <grosse@gmail.com>
The path/filepath package needs to depend on the os package to
implement Abs, Walk, and other functions. Move the implementation
of purely lexical functions from path/filepath into
internal/filepathlite, so they can be used by os and
other low-level packages.
Change-Id: Id211e547d6f1f58c82419695ff2d75cd6cd14a12
Reviewed-on: https://go-review.googlesource.com/c/go/+/566556
Reviewed-by: Behroz Karimpor <behrozkarimpor201@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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The safefilepath package was originally added to contain
the FromFS function. We subsequently added FromFS to path/filepath
as Localize. The safefilepath package now exists only to permit
the os package to import Localize.
Rename safefilepath to filepathlite to better indicate that it's
a low-dependency version of filepath.
Change-Id: I4c5f9b28e8581f841947b48c5cac9954cd0c9535
Reviewed-on: https://go-review.googlesource.com/c/go/+/581517
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To be used by internal/filepathlite, which is to be used by os.
There are probably other places where it would be convenient
to have strings functions accessible to RUNTIME level packages.
Change-Id: Icda59e7a9e26d9e8f3692db0ea4fb7b3dbf570d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/581516
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Windows time.Now granularity is around 0.5ms on modern systems,
which introduces a significant noise into benchmark results.
Instead of relying time.Now use QueryPerformanceCounter, which
has significantly better granularity compared to time.Now.
│ TimeNow-32 │ HighPrecisionTimeNow-32 │
│ sec/op │ sec/op vs base │
4.812n ± 0% 30.580n ± 0% +535.43% (p=0.000 n=20)
Fixes#31160
Change-Id: Ib2a574d638c9c6762a2524212def02265574e267
Reviewed-on: https://go-review.googlesource.com/c/go/+/557315
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Remove unnecessary conversion from unsafe.Pointer to unsafe.Pointer.
Also fix small typo in weak.Pointer.Strong method documentation.
Change-Id: I84791fba244581bd6218c589827a61914f0797b4
GitHub-Last-Rev: 7978d07d5b
GitHub-Pull-Request: golang/go#66977
Reviewed-on: https://go-review.googlesource.com/c/go/+/580936
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
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Auto-Submit: Ian Lance Taylor <iant@golang.org>
Since CL 515015 added sync.Map.Clear method, we can use it to make
the code simpler and clearer.
Change-Id: I29edc969431b4fd95cd5fd864953a71ca1538dd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/582015
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Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Joedian Reid <joedian@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Release notes should always be files under doc/next. Make it clear that
this is the only way to add them: RELNOTE markers in CLs are no longer
supported.
Change-Id: I34d77eb876f57b84ecdc7e5ecbf3eb5c91e6fed8
Reviewed-on: https://go-review.googlesource.com/c/go/+/582075
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
The net package's sendfile tests exercise various paths where
we expect sendfile to be used, but don't verify that sendfile
was in fact used.
Add a hook to internal/poll.SendFile to let us verify that
sendfile was called when expected. Update os package tests
(which use their own hook mechanism) to use this hook as well.
For #66988
Change-Id: I7afb130dcfe0063d60c6ea0f8560cf8665ad5a81
Reviewed-on: https://go-review.googlesource.com/c/go/+/581778
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Since CL 472475, io.Copy can no longer use sendfile on macOS for copying
files to a socket due to a too strict type assertion. This CL fixes the
issue by checking for the necessary interfaces instead of the concrete
os.File type in sendfile_unix_alt.go.
Fixes#66988
Change-Id: Ia0dd190f6575016a191c34a935132907147c8e10
Reviewed-on: https://go-review.googlesource.com/c/go/+/581035
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Reviewed-by: Damien Neil <dneil@google.com>
Second try at fixing the TestElfBindNow testpoint: don't try to check
for readonly ".got" section when using the external linker, since
there is code in some linkers (BFD in particular) that will skip
placing ".got" in relro if the section is below a specific size
threshold. Revised version of the test checks only for readonly
".dynamic" in the external linking case.
Fixes#67063.
Change-Id: Idb6b82ec7893baddf171654775587f6050fc6258
Reviewed-on: https://go-review.googlesource.com/c/go/+/581995
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
