All of these maps and slices are made up of comparable types,
so we can avoid the overhead of reflection entirely.
Change-Id: If77dbe648a336ba729c171e84c9ff3f7e160297d
Reviewed-on: https://go-review.googlesource.com/c/go/+/574597
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This helps reduce confusion with cmd/internal/pgo, which performs
compilation-independent analysis. pgoir associates that data with the
IR from the current package compilation.
For #58102.
Change-Id: I9ef1c8bc41db466d3340f41f6d071b95c09566de
Reviewed-on: https://go-review.googlesource.com/c/go/+/569338
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The processing performed in cmd/preprofile is a simple version of the
same initial processing performed by cmd/compile/internal/pgo. Refactor
this processing into the new IR-independent cmd/internal/pgo package.
Now cmd/preprofile and cmd/compile run the same code for initial
processing of a pprof profile, guaranteeing that they always stay in
sync.
Since it is now trivial, this CL makes one change to the serialization
format: the entries are ordered by weight. This allows us to avoid
sorting ByWeight on deserialization.
Impact on PGO parsing when compiling cmd/compile with PGO:
* Without preprocessing: PGO parsing ~13.7% of CPU time
* With preprocessing (unsorted): ~2.9% of CPU time (sorting ~1.7%)
* With preprocessing (sorted): ~1.3% of CPU time
The remaining 1.3% of CPU time approximately breaks down as:
* ~0.5% parsing the preprocessed profile
* ~0.7% building weighted IR call graph
* ~0.5% walking function IR to find direct calls
* ~0.2% performing lookups for indirect calls targets
For #58102.
Change-Id: Iaba425ea30b063ca195fb2f7b29342961c8a64c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/569337
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Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This check serves only to provide a more descriptive error if the output
directory doesn't exist. That isn't useless, but I don't see why this tool
specifically should do this when no other part of the toolchain does.
For #58102.
Change-Id: I01cf9db2cc1dad85c3afd8a6b008c53f26cb877a
Reviewed-on: https://go-review.googlesource.com/c/go/+/569336
Reviewed-by: Cherry Mui <cherryyz@google.com>
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This CL adjusts error handling to be a bit more idiomatic. The
processing function returns errors, leaving main to log and exit on
error.
This CL contains no functional changes.
For #58102.
Change-Id: I9074127cc675e177d046474b7f01fbc37d0bd4c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/569335
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Partial typo corrections, following https://go.dev/wiki/Spelling
Change-Id: I2357906ff2ea04305c6357418e4e9556e20375d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/573776
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Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Follow up CL 560155
Change-Id: Id9230d79c296452f3741123c75b45c3d3b1be4f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/574295
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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base.ExitIfErrors() has been deferred at the begin of the function,
no need to call it again.
Change-Id: I4fc81572cfce0f84832448da667c65bb477dea22
GitHub-Last-Rev: cc15635875
GitHub-Pull-Request: golang/go#66392
Reviewed-on: https://go-review.googlesource.com/c/go/+/572576
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
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Reviewed-by: David Chase <drchase@google.com>
This indirection appears to be unnecessary for linking or linker debugging, and therefore hinders readability.
Since all *oReaders are added to loader.objs *only* via the Preload -> addObj path, before any symbols are examined, there is no possible way the "i" member of this structure is still useful; and is likely a remnant of an earlier design.
Change-Id: Icd880f40bf3299bf1aa0a14cf217268e49ee90c5
GitHub-Last-Rev: dd2d512cbe
GitHub-Pull-Request: golang/go#57460
Reviewed-on: https://go-review.googlesource.com/c/go/+/459456
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Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
This CL is doing now is:
change maxbg to increase test parallelism.
adjust test sequence.
This CL speeds up the go tool dist test,
most of the speed up is due to the fact that the
three time-consuming tests
cmd/internal/testdir and API check and runtime/race
can be done in parallel with the GOMAXPROCS=2 runtime
on a machine with enough CPU cores.
In windows with an 8-core 16-thread CPU,
this CL can complete all other tests before
GOMAXPROCS=2 runtime -cpu=1,2,4 -quick completes.
Fixes#65164
Change-Id: I56ed7031d58be3bece9f975bfc73e5c834d0a4fa
GitHub-Last-Rev: 18cffb770f
GitHub-Pull-Request: golang/go#65703
Reviewed-on: https://go-review.googlesource.com/c/go/+/563916
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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When GORISCV64 enables rva22u64, use SEXTB for MOVB, SEXTH for MOVH, ZEXTH
for MOVHU and ADDUW for MOVWU. These are single instruction alternatives
to the two instruction shift sequences that are needed otherwise.
Change-Id: Iea5e394f57e238ae8771400a87287c1ee507d44c
Reviewed-on: https://go-review.googlesource.com/c/go/+/572736
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
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Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
Remove dynamic checks for atomic instructions for ARM64 targets that support LSE extension.
For #66131
Change-Id: I0ec1b183a3f4ea4c8a537430646e6bc4b4f64271
Reviewed-on: https://go-review.googlesource.com/c/go/+/569536
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Fannie Zhang <Fannie.Zhang@arm.com>
Reviewed-by: Shu-Chun Weng <scw@google.com>
Constant bools are like constant 1-byte values, they memcombine just fine.
(There are still trickier cases that this pass doesn't catch
yet, see TODO at memcombine.go:503.)
Fixes#66413
Change-Id: Ia67cf72ed1c416e27ac22da443bd88a3f09a6cc8
Reviewed-on: https://go-review.googlesource.com/c/go/+/573416
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Add check for deprecations in PackagesAndErrorsOutsideModule. This affects go run/install outside module when run in module-aware mode.
Fixes#59230
Change-Id: I106df36a856894fb1b634decfa812e31cf88fe74
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/528775
Reviewed-by: Bryan Mills <bcmills@google.com>
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The RtlGetNtVersionNumbers function is not documented by Microsoft.
Use RtlGetVersion instead, which is documented and available on all
supported versions of Windows.
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-windows-arm64
Change-Id: Ibaf0e2c28e673951476c5d863a829fd166705aea
Reviewed-on: https://go-review.googlesource.com/c/go/+/571015
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[Re-land of CL 567695 without further changes.]
This CL refactors the interleaved fixpoint algorithm so that calls can
be inlined in any order. This has no immediate effect, but it will
allow a subsequent CL to prioritize calls by inlheur score.
Change-Id: I8fd6748f0347fd696daee815bf7c9c183572c1ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/573096
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Move the OPAREN skipping logic from typecheck into typecheck1, so that
it only applies to ParenExprs with Typecheck()==0. This should allow
CL 567695 to be re-landed, which uses ParenExprs as placeholders in
the AST.
Fixes#66261.
Change-Id: I606b7bad0cf1c0447e60d6da68d1d66db00863f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/573095
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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The OPARENs inserted here used to be necessary for better error
diagnostics, but now those are handled by types2.
Change-Id: I88d50d34d9e00cdd7d0fb32f6e460a179345a787
Reviewed-on: https://go-review.googlesource.com/c/go/+/573115
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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On amd64, we always zero-extend when loading arguments from the stack.
On arm64, we extend based on the type. This causes problems with
zeroUpper*Bits, which reports the top bits are zero when they aren't.
Fix it to use the type to decide if the top bits are really zero.
For tests, only f32 currently fails on arm64. Added other tests
just for future-proofing.
Update #66066
Change-Id: I2f13fb47198e139ef13c9a34eb1edc932eea3ee3
Reviewed-on: https://go-review.googlesource.com/c/go/+/571135
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Add assembler support for Zba, Zbb, Zbs extensions, which are
mandatory in the rva22u64 profile. These can be used to accelerate
address computation and bit manipulation.
Change-Id: Ie90fe6b76b1382cf69984a0e71a72d3cba0e750a
Reviewed-on: https://go-review.googlesource.com/c/go/+/559655
Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
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The runtime.elf_* symbols are assembly functions which are used
to support the gcc/llvm -Os option when used with cgo.
When compiling Go for shared code, we attempt to strip out the
TOC regenation code added by the go assembler for these symbols.
This causes the symbol to no longer appear as an assembly
function which causes problems later on when handling other
implicit symbols.
Avoid adding a TOC regeneration prologue to these functions
to avoid this issue.
Fixes#66265
Change-Id: Icbf8e4438d177082a57bb228e39b232e7a0d7ada
Reviewed-on: https://go-review.googlesource.com/c/go/+/571835
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CL 571396 introduced quotes around user-provided names in error
messages. Update a test case to match the changed error message.
Change-Id: I3de0ea32f363ac83dcecae164ceab74e28dea086
Reviewed-on: https://go-review.googlesource.com/c/go/+/572555
Reviewed-by: Robert Griesemer <gri@google.com>
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Use `' quotes (as in `foo') to differentiate from Go quotes.
Quoting prevents confusion when user-supplied names alter
the meaning of the error message.
For instance, report
duplicate method `wanted'
rather than
duplicate method wanted
Exceptions:
- don't quote _:
`_' is ugly and not necessary
- don't quote after a ":":
undefined name: foo
- don't quote if the name is used correctly in a statement:
goto L jumps over variable declaration
Quoting is done with a helper function and can be centrally adjusted
and fine-tuned as needed.
Adjusted some test cases to explicitly include the quoted names.
Fixes#65790.
Change-Id: Icce667215f303ab8685d3e5cb00d540a2fd372ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/571396
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Compute ptrBytes while computing the size of a type.
Requires an extra field on the type, but means that we don't
have potentially exponential behavior in the PtrDataSize computation.
For #65540.
Change-Id: Ia23c72bbd996730baddd32d9ed46cfc00c3472ee
Reviewed-on: https://go-review.googlesource.com/c/go/+/571543
Reviewed-by: Keith Randall <khr@google.com>
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For #65540
Actually more correct in some very weird, and probably impossible to
trigger currently, cases. For instance, a struct with a NOEQ
and a NOALG field (the old code would not report the noalg bit).
Change-Id: I36c473b59aa5775d8a520ac746b114d16a22699d
Reviewed-on: https://go-review.googlesource.com/c/go/+/571542
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Add a ANOALG kind which is "ANOEQ, plus has a part that is marked Noalg".
That way, AlgType can return just a kind.
The field we used to return was used only to get this bit of information.
Change-Id: Iaa409742825cc1f19ab414b1f5b74c1f112ed5f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/572075
Reviewed-by: Cherry Mui <cherryyz@google.com>
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The PIE buildmode works correctly on openbsd/arm64, hence enable it.
Updates #59866
Change-Id: I2f3c2839893659391539fafa12891d64f867e189
Reviewed-on: https://go-review.googlesource.com/c/go/+/570375
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Change-Id: I6b30ac3e9d15c29197426fb16dc4031056f6bb10
GitHub-Last-Rev: e2dda286f2
GitHub-Pull-Request: golang/go#66331
Reviewed-on: https://go-review.googlesource.com/c/go/+/571915
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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For #65363.
Change-Id: I82ae1098b00c8772ef8d3aa92197e7d8c66d1b37
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Auto-Submit: Michael Matloob <matloob@golang.org>
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This pulls in the changes to remove 1.18 support in counter and
countertest, to add counter.CountCommandLineFlags, and to add
countertest.SupportedPlatform
Commands run:
go get golang.org/x/telemetry@abedc37
go mod tidy
go mod vendor
Change-Id: I5c17c5b3ca38df14883ba43316d59437a737b28b
Reviewed-on: https://go-review.googlesource.com/c/go/+/571801
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This usage shows up in quite a few places, and helps reduce
register pressure in several complex cryto functions by
removing a MOVD $0,... instruction.
Change-Id: I9444ea8f9d19bfd68fb71ea8dc34e109681b3802
Reviewed-on: https://go-review.googlesource.com/c/go/+/571055
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Run-TryBot: Paul Murphy <murp@ibm.com>
This is a partial roll-forward of CL 473495, which was subsequently
reverted. The second half of CL 473495 will appear in a future CL.
In this patch we introduce a new Go linker "-bindnow" command line
flag, and update the Go command to permit the use of the -Wl,-z,now
option, to allow users to produce binaries that have immediate
binding.
Updates #45681.
Change-Id: Idd61b0d6597bcd37b16c343714c55a4ef6dfb534
Reviewed-on: https://go-review.googlesource.com/c/go/+/571416
Reviewed-by: Cherry Mui <cherryyz@google.com>
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In Checker.validType, when we encounter a type parameter, we evaluate
the validity of the respective type argument in the "type nest" of the
enclosing type (at the nesting depth at which the type argument was
passed) (*). Specifically, we call validType recursively, with the slice
representing the type nest shortened by 1. This recursive call continues
to use the nest slice and in the process may overwrite the (previously)
last entry. Upon return of that recursive call, validType proceeds with
the old length, possibly using an incorrect last nest entry.
In the concrete example for this issue we have the type S
type S[T any] struct {
a T
b time.Time
}
instantiated with time.Time. When validType encounters the type parameter
T inside the struct (S is in the type nest) it evaluates the type argument
(time.Time) in the empty type nest (outside of S). In the process of
evaluating the time.Time struct, the time.Time type is appended to the
(shortened) nest slice and overwrites the previous last nest entry (S).
Once processing of T is done, validType continues with struct field b,
using the original-length nest slice, which now has time.Time rather
than S as a last element. The type of b has type time.Time, which now
appears to be nested in time.Time (rather than S), which (incorrectly)
means that there's a type cycle. validType proceeds with reporting the
error. But time.Time is an imported type, imported types are correct
(otherwise they could not be imported in the first place), and the
assertion checking that package of time.Time is local fails.
The fix is trivial: restore the last entry of the nest slice when it
may have been overwriten.
(*) In hindsight we may be able to sigificantly simplify validType by
evaluating type arguments when they are passed instead of when
the respective type parameters are encountered. For another CL.
Fixes#66323.
Change-Id: I3bf23acb8ed14d349db342ca5c886323a6c7af58
Reviewed-on: https://go-review.googlesource.com/c/go/+/571836
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
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Go 1.13 is not supported anymore, but this CL removes an unnecessary
check and in turn fixes an old bug.
Fixes#66285.
Change-Id: I15ee1712b31f8ac8c915f18410d99cbf44334d35
Reviewed-on: https://go-review.googlesource.com/c/go/+/571058
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
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Auto-Submit: Robert Griesemer <gri@google.com>
This is a cherry-pick of CL 571075 combined with adjustments for 1.23:
Imported interfaces don't have position information for embedded types.
When computing the type set of such interfaces, doing a version check
may fail because it will rely on the Go version of the current package.
We must not do a version check for features of types from imported
packages - those types have already been typechecked and are "correct".
The version check code does look at packages to avoid such incorrect
version checks, but we don't have the package information available
in an interface type (divorced from its object).
Instead, rely on the fact that imported interfaces don't have position
information for embedded types: if the position is unknown, don't do a
version check.
In Checker.allowVersion, still allow for unknown positions and resort
to the module version in that case (source code may be generated by
tools and not contain position information). Also, remove the *Package
argument as it was always check.pkg except in one case, and that case
may in fact be incorrect; treat that case separately for now.
Fixes#66064.
Change-Id: I773d57e5410c3d4a911ab3e018b3233c2972b3c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/571075
Reviewed-by: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/571137
The purpose of this package is to have a build tagged variant so that
when we're building the bootstrap go command it does not depend on the
net package. (net is a dependency of golang.org/x/telemetry/counter on
Windows).
The TESTGO_TELEMETRY_DIR environment variable used by the go tests to
change the telemetry directory is renamed to TEST_TELEMETRY_DIR to
make it more general to other commands that might want to set it for
the purpose of tests. The test telemetry directory is now set using
telemetry.Start instead of countertest.Open. This also means that the
logic that decides whether to upload counter files is now going to run
from the cmd/go tests (but that's okay because it's aleady been
running when cmd/go has been invoked outside of its tests.
Change-Id: Ic4272e5083facde010482d8b8fc3c95c03564bc9
Reviewed-on: https://go-review.googlesource.com/c/go/+/571096
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Mention that the allocation counter doesn't count allocations made using
C.malloc (cgo) or in C.
Change-Id: I03c23b6d8cfde68c04a75732a0d3c05eedae2276
GitHub-Last-Rev: 2d805b3322
GitHub-Pull-Request: golang/go#65430
Reviewed-on: https://go-review.googlesource.com/c/go/+/560397
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Change-Id: I783e02e215efaebf4936146c6aaa032634fdfa64
GitHub-Last-Rev: 24680a73ee
GitHub-Pull-Request: golang/go#66304
Reviewed-on: https://go-review.googlesource.com/c/go/+/571595
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 reverts https://go.dev/cl/c/go/+/473495.
Reason for revert: breaks some Google-internal tests.
This revert will be temporary until we can gather more info on the
nature of the failures and hopefully develop an upstream test case,
etc.
Updates #45681.
Change-Id: Ib628ddc53bc5489e4f76c0f4ad809b75e899102c
Reviewed-on: https://go-review.googlesource.com/c/go/+/571415
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Change-Id: I331c46083e9608227615183ba7e25f6299669341
GitHub-Last-Rev: 0cb78ae1c1
GitHub-Pull-Request: golang/go#66305
Reviewed-on: https://go-review.googlesource.com/c/go/+/571536
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: Sam Thanawalla <samthanawalla@google.com>
This reverts commit 28e0052ee7.
Reason for revert: #66261
Change-Id: I9dfc8946c41e504c97ecad752971d760ae7a7416
Reviewed-on: https://go-review.googlesource.com/c/go/+/571555
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Daniel Martí
Michael Pratt
cui fliter
guoguangwu
Joel Sing
Andy Pan
Andy Pan
Zxilly
Jeremy Quirke
qiulaidongfeng
Andrey Bokhanko
Keith Randall
Audi P. R. Putra
qmuntal
Matthew Dempsky
Wang Yaduo
Paul E. Murphy
Tobias Klauser
Robert Griesemer
Bryan C. Mills
Michael Matloob
Than McIntosh
Kévin Dunglas
Michael Knyszek