No point in keeping values in registers when their next use is after
a call, as we'd have to spill/restore them anyway.
cmd/go is 0.1% smaller.
Fixes#59297
Change-Id: I10ee761d0d23229f57de278f734c44d6a8dccd6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/509255
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
filepath.Rel can sometimes return the a relative path that doesn't work.
If the basepath contains a symlink as a path component, and the targpath
does not exist with the directory pointed to by the innermost symlink,
the relative path can "cross" the symlink. The issue is that for the
return value for filepath.Rel to be correct, the ".." components of the
relative path would need to be collapsed before the symlinks are
expanded, but it was verified by doing local testing that the opposite
is true.
go work use (and cmd/go/internal/modload.ReadModFile) both try to
shorten absolute path arguments to relative paths from the working
directory (for better error messages, for instance). Avoid doing so when
the relative path could be wrong using a more conservative rule than the
above: if expanding the symlinks in the current directory produces a
different result, and the relative path we'd return starts with ".." and
then the path separator.
Fixes#68383
Change-Id: I0a6202be672484d4000fc753c69f2165615f3f72
Reviewed-on: https://go-review.googlesource.com/c/go/+/603136
TryBot-Bypass: Michael Matloob <matloob@golang.org>
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Michael Matloob <matloob@golang.org>
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Parse materialized aliases in indexed format.
This was in https://go.dev/cl/574717 in x/tools.
Updates #68778
Change-Id: I2f0871aeb5a2e74c803176001f178757766a4a0a
Reviewed-on: https://go-review.googlesource.com/c/go/+/607498
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This field is unused since shape-based stenciling was added for Unified
IR (CL 421821). The derived types information is now explicitly using
derived-type dictionaries (CL 331829).
This CL follows the pattern used in CL 606035.
Updates #68778
Change-Id: Ie784b6443c0a651854bfbcebb8a5166b1481408b
Reviewed-on: https://go-review.googlesource.com/c/go/+/608216
Reviewed-by: Robert Griesemer <gri@google.com>
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Tim King <taking@google.com>
So next CL can use it to remove unnecessary derivedInfo needed field.
Updates #68778
Change-Id: Ia4e0f638beaf4a448fbf10a9aa1bc9425349a5e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/608215
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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This can be done efficiently with few instructions.
This also adds MULHDUCC for further codegen improvement.
Change-Id: I06320ba4383a679341b911a237a360ef07b19168
Reviewed-on: https://go-review.googlesource.com/c/go/+/605975
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Reviewed-by: Archana Ravindar <aravinda@redhat.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
just removed a single byte :)
Change-Id: Icd734f9f8f22b2ed0d9d0125d18b6d291bb14cd6
GitHub-Last-Rev: 93c0fd00d8
GitHub-Pull-Request: golang/go#69056
Reviewed-on: https://go-review.googlesource.com/c/go/+/607878
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: Iecbfe986da386b5c9b8c366904f659acc8f34cfc
GitHub-Last-Rev: ed6c744bbd
GitHub-Pull-Request: golang/go#69039
Reviewed-on: https://go-review.googlesource.com/c/go/+/608015
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
The current implementation has a panic when the database is closed
concurrently with a new connection attempt.
connRequestSet.CloseAndRemoveAll sets connRequestSet.s to a nil slice.
If this happens between calls to connRequestSet.Add and
connRequestSet.Delete, there is a panic when trying to write to the nil
slice. This is sequence is likely to occur in DB.conn, where the mutex
is released between calls to db.connRequests.Add and
db.connRequests.Delete
This change updates connRequestSet.CloseAndRemoveAll to set the curIdx
to -1 for all pending requests before setting its internal slice to nil.
CloseAndRemoveAll already iterates the full slice to close all the request
channels. It seems appropriate to set curIdx to -1 before deleting the
slice for 3 reasons:
1. connRequestSet.deleteIndex also sets curIdx to -1
2. curIdx will not be relevant to anything after the slice is set to nil
3. connRequestSet.Delete already checks for negative indices
Fixes#68949
Change-Id: I6b7ebc5a71b67322908271d13865fa12f2469b87
GitHub-Last-Rev: 7d2669155b
GitHub-Pull-Request: golang/go#68953
Reviewed-on: https://go-review.googlesource.com/c/go/+/607238
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Writes the field for type parameter names for aliases when
the bitstream is >= V2.
This is a no-op at the moment as the writer is hardwired to V1.
Updates #68778
Change-Id: I5887e3608239b9a6a47e3cc21cacb75b84e1d186
Reviewed-on: https://go-review.googlesource.com/c/go/+/607235
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
The tests added by CL 601778 highlighted missing buffer overlap
checks in the ppc64 specific aes-gcm implementation.
Fixes#69007
Change-Id: I80c3b5628c5079cfed2c3dace7298512c16a8f46
Reviewed-on: https://go-review.googlesource.com/c/go/+/607519
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
1. Replace "rooted path name" with a more accurate "absolute path name".
Using "absolute" seems to be preferred terminology on Unix. On Windows,
there are multiple roots in Windows, thus "a rooted path name" can be
one relative to a drive letter or a server name. Note that Windows'
GetCurrentDirectory documentation [1] also says "the absolute path to the
current directory".
2. Add a note about using $PWD on Unix.
[1]: https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getcurrentdirectory
Change-Id: Ic310f0f8776ff059544789306ae5cfa1fa267b12
Reviewed-on: https://go-review.googlesource.com/c/go/+/607615
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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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Commit-Queue: Tobias Klauser <tobias.klauser@gmail.com>
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>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Vishwanatha HD <vishwanatha.hd@ibm.com>
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Auto-Submit: 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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Reviewed-by: Cherry Mui <cherryyz@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>
Reviewed-by: Cherry Mui <cherryyz@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>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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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Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
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
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Change-Id: If7a2aa45770d19ee15f8fe99cab62624c2e29ef6
Reviewed-on: https://go-review.googlesource.com/c/go/+/606958
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Austin Clements <austin@google.com>
