CL 574695 added caching the os.Chdir argument for Windows, and used the
cached value to assess the length of the current working directory in
addExtendedPrefix (used by fixLongPath).
It did not take into account that Chdir can accept relative paths, and
thus the pathLength calculation in addExtendedPrefix can be wrong.
Let's only cache the os.Chdir argument if it's absolute, and clean the
cache otherwise, thus improving the correctness of fixLongPath.
For #41734
For #21782
For #36375
Change-Id: Ie24a5ed763a7aacc310666d2e4cbb8e298768670
Reviewed-on: https://go-review.googlesource.com/c/go/+/607437
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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This change adds documentation to "go help telemetry" and "go help
environment" for the unsettable GOTELEMETRY and GOTELEMETRYDIR go env
variables.
For #68928
Change-Id: I8c139bd8585ffb0c45b9dd722ef6e7a9a33df192
Reviewed-on: https://go-review.googlesource.com/c/go/+/607855
Reviewed-by: Robert Findley <rfindley@google.com>
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The commands to build the bootstrap toolchains and go commands are run
from modules created by two bootstrap go.mod files: one is used when
building toolchain1 and go_bootstrap, and the other is used for
toolchain2 and toolchain3, and the final build. Currently the first has
a go directive specifying go 1.20, and the second one does not have a go
directive at all. This affects the default GODEBUG setting when building
the final toolchain: the default GODEBUG value is based on the go
version of the go.mod file, and when the go.mod file does not have a
version it defaults to go1.16. We should set the go directive on the
bootstrap used for the second half of the builds to use the current go
verison from the std's go.mod file (which is the same as the version on
cmd's go.mod file).
The go.mod file used for the initial bootstrap should have a go
directive with the minimum version of the toolchain required for
bootstrapping. That version is the current version - 2 rounded down to
an even number.
For #64751Fixes#68797
Change-Id: Ibdddf4bc36dc963291979d603c4f3fc55264f65b
Reviewed-on: https://go-review.googlesource.com/c/go/+/604799
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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nanotime1 is broken on windows/arm since CL 526358, which
unintentionally removed a necessary instruction. It hasn't been
noticed till now because the there is no windows/arm builder.
This CL restores the instruction.
Fixes#68996.
Change-Id: I52ef6891a3bd8e608b8538f456d181e08f93efaa
Reviewed-on: https://go-review.googlesource.com/c/go/+/607776
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
With this, ReadDir will fail a tad earlier (on open rather than on
readdir syscall). This should be the only effect of this change.
Change-Id: Icf2870f47ea6c19aad29670e78ba9bfcc13c0ac3
Reviewed-on: https://go-review.googlesource.com/c/go/+/588915
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Add basic test coverage for the intrinisic table - this at least allows
us to tell if intrinsics are added or removed unexpectedly. Code
generation changes resulting from intrinsics is not covered and is
left for test/codegen and others.
Change-Id: I3d538708b90cd04d3f449945e0fd9388097d683e
Reviewed-on: https://go-review.googlesource.com/c/go/+/605475
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: David Chase <drchase@google.com>
When looking for \0, use clen which may be optimized.
Also, return EINVAL when returned string is empty.
This makes it similar to how it is implemented in *bsd and solaris.
Change-Id: I3e37ed25f47110eafd12c80291f7746de9db7b23
Reviewed-on: https://go-review.googlesource.com/c/go/+/606902
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
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Run-TryBot: Cherry Mui <cherryyz@google.com>
Now that Go 1.22.6 is the minimum bootstrap toolchain (cf. CL 606156),
the fallback implementation for Go versions <1.21 can be dropped.
For #61180
For #64751
Change-Id: Idfeca0a6e9f490e1ab0f308ead372612402923ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/607315
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Following up to CL 603959, update internals of testing package to
reduce the confusion around "context". The changes rename
testContext/benchContext/fuzzContext to testState/benchState/fuzzState.
Change-Id: Ib8855dab456d41ab343488fcf5fefff2431f7b72
Reviewed-on: https://go-review.googlesource.com/c/go/+/607555
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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This CL creates tests for the cipher.AEAD interface in the new
cryptotest package. This set of tests is called from the tests of
implementations of the AEAD interface, such as the GCM blockmode.
Updates #25309
Change-Id: I7612fa6fb6c1505bdf1a2cd71180dd43dc50bf4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/601778
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Russell Webb <russell.webb@protonmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This CL provides vendor support for s390x disassembler gnu syntax.
go get golang.org/x/arch@master
go mod tidy
go mod vendor
For #15255
Change-Id: Ia75fa515e7ea7d56913a28147c65650a7ab3062c
Reviewed-on: https://go-review.googlesource.com/c/go/+/581015
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Bill O'Farrell <billotosyr@gmail.com>
[This is a roll-forward of CL 597255, which had to be rolled back
because it broke the windows-arm64 builder, whose current user display
name is unavailable. This new CL fixes the issue by reintroducing the
historical behavior of falling back to the user name instead of
returning an error].
user.Current is slow on Windows sessions connected to an Active
Directory domain. This is because it uses Windows APIs that do RPC
calls to the domain controller, such as TranslateAccountW and
NetUserGetInfo.
This change speeds up user.Current by using the GetUserNameEx API
instead, which is already optimized for retrieving the current user
name in different formats.
These are the improvements I see with the new implementation:
goos: windows
goarch: amd64
pkg: os/user
cpu: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
Current-12 501.8µ ± 7% 118.6µ ± 11% -76.36% (p=0.000 n=10)
│ old.txt │ new.txt │
│ B/op │ B/op vs base │
Current-12 888.0 ± 0% 832.0 ± 0% -6.31% (p=0.000 n=10)
│ old.txt │ new.txt │
│ allocs/op │ allocs/op vs base │
Current-12 15.00 ± 0% 11.00 ± 0% -26.67% (p=0.000 n=10)
Updates #5298Fixes#21867Fixes#68312
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-windows-arm64
Change-Id: Ib7f77086d389cccb9d91cb77ea688d438a0ee5fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/605135
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Change-Id: Iadd69360fb09714a280c4dae26639834df28a7dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/606659
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Change-Id: I2022fa27b072f9b34413a04a794aeb6d3c02166c
Reviewed-on: https://go-review.googlesource.com/c/go/+/606658
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: I71d1dfec11657ffa8ffe12e87f6dbd65cbb1854b
Reviewed-on: https://go-review.googlesource.com/c/go/+/607475
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Currently the handle test code has a lot of duplicate type parameters
that are already inferred. This results in IDE warnings which are
annoying. Clean this up by consistently explicitly calling out the type
in the argument, not the type parameter.
Change-Id: I756203f37fc97c793cd5c5e612c6fd1802a84bc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/607356
Reviewed-by: David Chase <drchase@google.com>
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Auto-Submit: Michael Knyszek <mknyszek@google.com>
Currently the first thing Make does it get the abi.Type of its argument,
and uses abi.TypeOf to do it. However, this has a problem for interface
types, since the type of the value stored in the interface value will
bleed through. This is a classic reflection mistake.
Fix this by implementing and using a generic TypeFor which matches
reflect.TypeFor. This gets the type of the type parameter, which is far
less ambiguous and error-prone.
Fixes#68990.
Change-Id: Idd8d9a1095ef017e9cd7c7779314f7d4034f01a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/607355
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Add export functions to the wasm module on GOOS=js. (Other parts
work the same way as wasip1.)
Add a test.
Fixes#65199.
Change-Id: Ia22580859fe40631d487f70ee293c12867e0c988
Reviewed-on: https://go-review.googlesource.com/c/go/+/606855
Reviewed-by: Zxilly Chou <zxilly@outlook.com>
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Removes 'has init' and 'derived func instance' fields from unified IR
starting with V2.
This should be a no-op at the moment as the writer is hardwired to create V1.
Updates #68778
Change-Id: I84a606cbc27cd6d8bd6eee2aff44c89f4aa7413c
Reviewed-on: https://go-review.googlesource.com/c/go/+/606035
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: David Chase <drchase@google.com>
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- introduce index alias
- inline the two short tables in stmt.go (removes a TODO)
- move assert out of stencil.go and remove that file
(we can always re-introduce it)
Also, replace two if's with a simpler switch.
Change-Id: I25c3104164574999dd9826dee6166dd8a8488908
Reviewed-on: https://go-review.googlesource.com/c/go/+/607236
Reviewed-by: Robert Griesemer <gri@google.com>
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Reviewed-by: Tim King <taking@google.com>
Fixes#51473.
Change-Id: Ic868790f480b21b472c98b39be797bcffb1fa892
Reviewed-on: https://go-review.googlesource.com/c/go/+/564142
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Adds a new Version type to pkgbits to represent the version of the
bitstream. Versions let readers and writers know when different data is
expected to be present or not in the bitstream. These different pieces
of data are called Fields, as an analogy with fields of a struct.
Fields can be added, removed or changed in a Version. Extends Encoder
and Decoder to report which version they are.
Updates #68778
Change-Id: Iaffa1828544fb4cbc47a905de853449bc8e5b91f
Reviewed-on: https://go-review.googlesource.com/c/go/+/605655
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Fix typos in ~30 files
Change-Id: Ie433aea01e7d15944c1e9e103691784876d5c1f9
GitHub-Last-Rev: bbaeb3d1f8
GitHub-Pull-Request: golang/go#68964
Reviewed-on: https://go-review.googlesource.com/c/go/+/606955
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This is a minimal change to start to require the new minimum bootstrap.
Taking advantage of the newer bootstap to simplify and improve code is
left to be done in separate CLs.
For #64751.
Change-Id: I1d4f883fae3026354a199174d51e79a36cd2dc53
Reviewed-on: https://go-review.googlesource.com/c/go/+/606156
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Change-Id: If7a2aa45770d19ee15f8fe99cab62624c2e29ef6
Reviewed-on: https://go-review.googlesource.com/c/go/+/606958
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Adds a -gomodversion flag to testdir. This sets the go version
in generated go.mod files. This is just runindir tests at the moment.
This is a building block so that tests can be written for exported
type parameterized aliases (like reproducing #68526).
This also adds a test that uses this feature. A type parameterized
alias is used so aliastypeparams and gotypesalias must be enabled.
gotypesalias is enabled by the go module version. The alias is not
exported and will not appear in exportdata. The test shows the
package containing the alias can be imported. This encapsulates
the level of support of type parameterized aliases in 1.23.
Updates #68526
Updates #68778
Change-Id: I8e20df6baa178e1d427d0fff627a16714d9c3b18
Reviewed-on: https://go-review.googlesource.com/c/go/+/604102
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When paths with symlinks are involved, it's not viable to compare them
with string equality. Don't use a temporary directory with symlinks in
it as input, so the test works in more environments.
For #62516.
Change-Id: I95d774365cc2f90eb0ffcffa61229ed5cee43e3e
Reviewed-on: https://go-review.googlesource.com/c/go/+/607035
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Change-Id: I0d19f77f8c4b99350e3ed1e7f92db6ae198e812a
Reviewed-on: https://go-review.googlesource.com/c/go/+/607077
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Unalias the ~T terms during underIs. Before, if T was an alias
of U, it may pass T to the iteration function. The iterator
function expects an underlying type, under(U), to be passed.
This caused several bugs where underIs is used without
eventually taking the underlying type.
Updates #68935Fixes#68903
Change-Id: Ie8691d8dddaea00e1dcba94d17c0f1b021fc49a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/606075
Reviewed-by: Robert Griesemer <gri@google.com>
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Change-Id: I23c0c850ba57e7a49b78159d9293d1d25e1d2340
Reviewed-on: https://go-review.googlesource.com/c/go/+/606637
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Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
The Time.Sub function is mentioned in the previous sentence.
Change-Id: Ic79958cea4d1f9f9014f6dafd8e749c204db4f50
Reviewed-on: https://go-review.googlesource.com/c/go/+/606575
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Auto-Submit: Ian Lance Taylor <iant@google.com>
This exception was originally added by CL 152108 in November 2009. I'm
pretty sure no one uses reiserfs nowadays (and if someone does, this bug
must have been fixed by now).
Change-Id: I274ebe2f7910cab81b70a44b2da3f6fe761073bc
Reviewed-on: https://go-review.googlesource.com/c/go/+/591417
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This simplifies tests a little bit.
Change-Id: I910e3c97cfd20b26951d2a4909d86b5be06bde56
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This test is checking WriteFile, not MkdirTemp, and using t.TempDir
makes the test case code a tad smaller and simpler.
Change-Id: I48837f77572f375d56f3a387efa9a4ee1d3706fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/606898
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Use t.Chdir and t.TempDir to simplify test case code.
Change-Id: If4de06d2373100ce53a5b8f6702d5f4866e3b23d
Reviewed-on: https://go-review.googlesource.com/c/go/+/606897
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Simplify the test logic by using t.TempDir, t.Chdir, and Chdir to
startPath parent.
Change-Id: Ibe71a8c26b8e54c22eb93510037605b69c67bc7a
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Adds a new Context method to testing.T, that returns a context, that is
canceled before the end of its test function.
Fixes#36532.
Change-Id: I9315ad4dad25529d0b5be809e2d9db4e7528b5f2
GitHub-Last-Rev: 1c3fd6c4d8
GitHub-Pull-Request: golang/go#68828
Reviewed-on: https://go-review.googlesource.com/c/go/+/603959
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
The intrinsic handling code is a good thousand lines in the fairly
large ssa.go file. This code is already reasonably self-contained - factor
it out into a separate file so that future changes are easier to manage
(and it becomes easier to add/change intrinsics for an architecture).
Change-Id: I3c18d3d1bb6332f1817d902150e736373bf1ac81
Reviewed-on: https://go-review.googlesource.com/c/go/+/605477
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
The architecture handling code for intrinsics is more complex than
it needs to be. sys.Archs is already an array of *sys.Arch and the
existing InFamily function can be used instead of a reimplementation.
Add some test coverage for sys.Arch.InFamily while here.
Change-Id: Ia764f211114fea65424c09a421c5ccb02b7187b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/605476
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The AIX ABI requires allocating parameter save space when calling
a function, even if the arguments are passed via registers.
gcc sometimes uses this space. In the case of the cgo c-archive
tests, it clobbered the storage space of argc/argv which prevented
the test program from running the expected test.
Fixes#68957
Change-Id: I8a267b463b1abb2b37ac85231f6c328f406b7515
Reviewed-on: https://go-review.googlesource.com/c/go/+/606895
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Make it obvious that this function panics.
Change-Id: I272142d2cf7132aa8915f8f4b5945834376db062
Reviewed-on: https://go-review.googlesource.com/c/go/+/606935
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The errors from os are supposed to be wrapped to add some context,
but in this particular case a raw syscall error is returned.
Change-Id: I1b98dbd7b385c5c1cea79a1b0ec7201ca9bdca40
Reviewed-on: https://go-review.googlesource.com/c/go/+/606657
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>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Makes calls to the global Seed a no-op. The GODEBUG=randseednop=0
setting can be used to revert this behavior.
Fixes#67273
Change-Id: I79c1b2b23f3bc472fbd6190cb916a9d7583250f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/606055
Auto-Submit: Cherry Mui <cherryyz@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
