For #56539
For #59166
Change-Id: Ief392464916a1a74a8fcc6c3c7bdb213e8c6ef98
Reviewed-on: https://go-review.googlesource.com/c/go/+/498601
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Before CL 471595, modload.readModGraph in module with graph pruning
enabled only ever chased down transitive dependencies of unpruned
roots, so pruned dependencies couldn't cause cycles and we didn't
need to dedup them in the loading queue.
However, in 'go get' we are now passing in a set of upgraded modules
to unprune, and those upgraded modules can potentially contain cycles,
leading to an infinite loop during loading.
We have two options for a fix: we could either drop the 'unprune'
check in the enqueue operation (and instead expand the 'unprune'
requirements in a separate pass, as we do in workspace mode), or we
could check for cycles for all modules (not just the ones that are
naturally unpruned). The latter option makes it clearer that this
process must terminate, so we choose that.
(It may be possible to clean up and simplify the workspace-mode case
now that we are passing in the 'unprune' map, but for now we're
looking for a minimal fix for the Go 1.21 release.)
Fixes#60490.
Change-Id: I701f5d43a35e357f6c0c0c9d10b7aa088f917311
Reviewed-on: https://go-review.googlesource.com/c/go/+/499195
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GetComputerName expects n to be the size of the buffer, and
on output contains the number of characters copied to the buffer.
CL 493036 broke ComputerName by always setting n to 0.
Change-Id: I3f4b30d2f9825d321a6d28ec82bdc7b6294e04e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/499035
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Reviewed-by: Bryan Mills <bcmills@google.com>
Cover flag documentation was not up to date, and the -covermode flag
documentation was missing.
Fixes#60438
Change-Id: I11e769fa2a32d074de7a748aa534afdfe2ca4e78
Reviewed-on: https://go-review.googlesource.com/c/go/+/498415
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Also move all the language changes to the same part of the release notes.
For #56351
For #57411
Change-Id: Id1c51b5eb8f7d85e61a2ae44ee7d73bb13036631
Reviewed-on: https://go-review.googlesource.com/c/go/+/498755
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Currently we only track visited (copied) packages when a copy is
required. When a copy is not required, we will rewalk each package's
entire dependency graph every time we see it, which is terribly
inefficient.
Pull the visited package check up a level so that we visit packages only
once regardless of how many times they are visited.
Fixes#60455.
Fixes#60428.
Change-Id: I4e9b31eeeaa170db650c461a5de2ca984b9aba0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/498735
Run-TryBot: Bryan Mills <bcmills@google.com>
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Auto-Submit: Michael Pratt <mpratt@google.com>
Also mention WTF-8 support in the syscall package.
For #32558
For #58977
For #59971
Change-Id: Id1627889b5e498add498748d9bfc69fb58030b35
Reviewed-on: https://go-review.googlesource.com/c/go/+/498600
Reviewed-by: Eli Bendersky <eliben@google.com>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Added Value.Clear, deprecated SliceHeader and StringHeader.
For #55002
For #56906
Change-Id: Ib7497aff830d56fad90c31ec28596e71a448e9ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/498757
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
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For #46159
Change-Id: Ia9cc0827a89d362532d1a662b791de8eebbfb2fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498756
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Remove x/ repos changes that aren't part of the 1.21 release.
Change-Id: Ia5cbf02ed6c0cc4dc0ff80d68403723b3f9ae0ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/498596
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The go command already places $GOROOT/bin at the beginning of $PATH in
the test's environment as of Go 1.19¹, so there's no need for the test
to do it anymore. Start enjoying yet another benefit of using 'go test'.
¹ See go.dev/issue/57050.
For #56844.
Change-Id: If7732cd8b8979eabf185485d3c73858a4e546d69
Reviewed-on: https://go-review.googlesource.com/c/go/+/498271
Reviewed-by: Bryan Mills <bcmills@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Clean up a stray reference in the docs to 'mkalldocs.sh', which no
longer exists (was replaced by a Go program, in 676794f73e).
Change-Id: I058e86395b14756d7afc184f99f89dbc5ba0184e
Reviewed-on: https://go-review.googlesource.com/c/go/+/498715
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Run-TryBot: Than McIntosh <thanm@google.com>
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CL 494915 broke non-blocking I/O on wasip1 for files
opened with os.NewFile. This is fixed by providing an
implementation of fcntl(F_GETFL) for wasip1.
Change-Id: I78979076b95495fd4b94814552e5f5b043270cd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/498195
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The PATH variable is required to run the testenv tests.
Set it for all the runtime invocations where we don't
already set it by inheriting from the environment.
For #59583
For #59907
For #60097
Change-Id: If582dd8f086e3f40bc58d555f6034dcffe6f8e5f
Reviewed-on: https://go-review.googlesource.com/c/go/+/498616
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One of the changes also affects the os package, so mention it
there too.
For #46259
Change-Id: I8041a5ce009725ab210118ee668fc94196d9ff82
Reviewed-on: https://go-review.googlesource.com/c/go/+/498376
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Fixes#40385
Change-Id: I965b5db985fd4418a992e883073cbc8309b2cb88
Reviewed-on: https://go-review.googlesource.com/c/go/+/498355
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Add a short release note blurb on linker dead-coding of global map
variables.
Updates #58645.
Change-Id: Ibfdd3e2b2b78517db4245b1d7eedd5e75a643b47
Reviewed-on: https://go-review.googlesource.com/c/go/+/498575
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Bypass: Than McIntosh <thanm@google.com>
This comment claims mark termination re-scans stacks and uses the
write barrier to determine how much of the stack needs to be
rescanned. This hasn't been true since we introduced the hybrid write
barrier and deleted stack rescanning with CL 31766 in Go 1.8.
Updates #17503 I suppose.
Change-Id: I5e90f25020c9fa6f146ec6ed0642ba2b4884c2a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/498435
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Found by the vet check that runs with 'go test cmd/go/internal/modget'.
For #57001.
For #60463.
Change-Id: I4be94f7156724459a5c47bb9745cbb5651fb972c
Reviewed-on: https://go-review.googlesource.com/c/go/+/498270
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A reference to a function in a "var _ = ..." init-time
initialization keeps the symbol live. Move references to
Config.EncryptTicket and Config.DecryptTicket into tests.
These references increase the size of an unused import of
crypto/tls by about 1MiB.
Change-Id: I6d62a6dcbd73e22972a217afcda7395e909b52cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/498595
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
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For #37708
Change-Id: I7b04d6331c15771c7d74ff77afd523c435e0dafe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498396
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Auto-Submit: Eli Bendersky <eliben@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
For #44855
Change-Id: I517394b227ea948ed3e1f9ffdaab2bb2676863c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/496795
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The earlier CL 497675 for #60304 introduced a behavior change
that, while not strictly a bug, caused a bunch of test failures
in a large codebase. Rather than add behavior changes in a 10 year
old package, revert to the old behavior: a context cancelation
between Rows.Next reporting false and a call to Rows.Err should
not result in Rows.Err returning the context error.
That behavior was accidentally added in CL 497675 as part of changing
how contexts and Rows iteration worked.
Updates #60304
Updates #53970
Change-Id: I22f8a6a6b0b5a94b430576cf50e015efd01ec652
Reviewed-on: https://go-review.googlesource.com/c/go/+/498398
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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For #59488.
Change-Id: Iefabb06014767c5f633082a112a81e9ff5f09a30
Reviewed-on: https://go-review.googlesource.com/c/go/+/498397
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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Showing the full path (relative to the current directory)
instead of just foo.txt lets editors that understand file:line
jump straight to the file without having to edit it to say
testdata/script/ first.
Change-Id: I44177b687249f3c7c724b45d02f5167607369e1b
Reviewed-on: https://go-review.googlesource.com/c/go/+/498119
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For #57348
Change-Id: I84943711b033d63f0993133f93d9f09ce2af5965
Reviewed-on: https://go-review.googlesource.com/c/go/+/498395
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Two interface types that are assignable don't have to be identical;
specifically, if they are defined types, they can be different
defined types. If those defined types specify type parameters which
are never used, do not infer a type argument based on the instantiation
of a matching defined type.
Adjusted three existing tests where we inferred type arguments incorrectly.
Fixes#60377.
Change-Id: I91fb207235424b3cbc42b5fd93eee619e7541cb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/498315
Auto-Submit: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
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For #59488.
Change-Id: I50f65216bf02b42c1e0619702833f4a6dbed8925
Reviewed-on: https://go-review.googlesource.com/c/go/+/498136
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
and begin and end with the same package to demonstrate the cyclical
nature of the stack. Also fix the list_test_cycle script test
which was testing for the wrong behavior.
Fixes#59970
Change-Id: I3b3ee6762ee121fec19688ff1823cdfddae94f53
Reviewed-on: https://go-review.googlesource.com/c/go/+/498115
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
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A var is problematic because the zero value is already false,
so if it goes away, it will appear to be false.
I'm also not sure about go:linkname on vars,
so switch to func for both reasons.
Also add a test.
Change-Id: I2318a5390d98577aec025152e65543491489defb
Reviewed-on: https://go-review.googlesource.com/c/go/+/498261
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Suggested by bcmills in CL 497555 review but easier to do at the
top of the stack.
For #57001.
Change-Id: I6f2cc0f546e8d6b1e03c7335a89f07dcb45cf5b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/498077
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Allow both prefix-goVERSION and goVERSION-suffix for custom toolchains.
Also make sure that a tie in the toolchain and min version goes to the
toolchain line.
For #57001.
Change-Id: Ibeea5f47db7349cfdf36da188bb43e195e196f5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/498076
Auto-Submit: Russ Cox <rsc@golang.org>
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go get go@version and toolchain@version updates the
go and toolchain lines in go.mod. If toolchain ends up <= go,
it is dropped.
When the go version crosses certain version boundaries,
it may be necessary to run 'go mod tidy -go=version'.
That's left for a followup CL.
When the go or toolchain version ends up higher than the
current toolchain version, we cannot be sure we know how
to write the file out, so we fail with an error message.
In GOTOOLCHAIN auto mode, the newer toolchain should
be downloaded and reinvoked; that's left for a followup CL too.
For #57001.
Change-Id: Ibfdcc549b40555a53bdb2d019816d18f1bd16be6
Reviewed-on: https://go-review.googlesource.com/c/go/+/497081
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The original code only handled go install m@v1.0.0
but not queries like go install m@v1 or m@master.
Handle those by invoking more of the module machinery.
For #57001.
Change-Id: I7d54fc3dd65072e5906a17ff95b407b0f7feac69
Reviewed-on: https://go-review.googlesource.com/c/go/+/497879
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In general an older version of Go does not know how to construct
a module written against a newer version of Go: the details may
change over time, such as for issues like #42965 (an ignore mechanism).
For #57001.
Change-Id: Id43fcfb71497375ad2eb5dfd292bad0adca0652e
Reviewed-on: https://go-review.googlesource.com/c/go/+/497795
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CL 498255 made runtime/internal/wasitest compatible with all platforms
so that "go test std" works again. This means it no longer has to be
in the special dist test list.
While we're here explain the purpose of this list better and implore
people to please not expand it, since almost any addition is a sign
that "go test std cmd" no longer works.
Change-Id: I31c7fb767787fa587f65c2697aed9ed43e95fb18
Reviewed-on: https://go-review.googlesource.com/c/go/+/498256
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Austin Clements <austin@google.com>
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Disable the android and ios builds since cross-compiling fails there.
Also make runtime/internal/wasitest not build on systems that don't
have syscall.Mkfifo for it to use (including, ironically, wasm itself).
Change-Id: I28eb1f216f9952f81a107056e97ee38e350f9287
Reviewed-on: https://go-review.googlesource.com/c/go/+/498255
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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Change-Id: I766e656e6b967290d692313ea1391878fc21c92d
Reviewed-on: https://go-review.googlesource.com/c/go/+/497375
Reviewed-by: Ian Lance Taylor <iant@google.com>
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heapObjectsCanMove is always false in the current garbage collector.
It exists for go4.org/unsafe/assume-no-moving-gc, which is an
unfortunate idea that had an even more unfortunate implementation.
Every time a new Go release happened, the package stopped building,
and the authors had to add a new file with a new //go:build line, and
then the entire ecosystem of packages with that as a dependency had to
explicitly update to the new version. Many packages depend on
assume-no-moving-gc transitively, through paths like
inet.af/netaddr -> go4.org/intern -> assume-no-moving-gc.
This was causing a significant amount of friction around each new
release, so we added this bool for the package to //go:linkname
instead. The bool is still unfortunate, but it's not as bad as
breaking the ecosystem on every new release.
If the Go garbage collector ever does move heap objects, we can set
this to true to break all the programs using assume-no-moving-gc.
Change-Id: I06c32bf6ccc4601c8eef741d7382b678aada3508
Reviewed-on: https://go-review.googlesource.com/c/go/+/498121
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Return an error instead. Makes usages of NewModulusFromBig a bit more
verbose, but better than returning nil or something and just moving the
panic down the road.
Fixes#60411
Change-Id: I10732c6ce56ccd9e4769281cea049dd4beb60a6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/498035
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
This change updates the makeClientHello logic to only advertise TLS
1.3 ciphers when tls.Config.MinVersion is set to tls.VersionTLS13
(i.e the client only supports TLS 1.3). Previously, TLS 1.2 ciphers
would be included in the client hello message.
Fixes#57771
Change-Id: Ife4123037b0a4609578ffffb1cdf1e1d4e0a8df6
GitHub-Last-Rev: 45f4275aa9
GitHub-Pull-Request: golang/go#49293
Reviewed-on: https://go-review.googlesource.com/c/go/+/360794
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Marten Seemann <martenseemann@gmail.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Invoking 'hg' in a nonexistant HOME can break extensions the user
may have installed; clear HGRCPATH in the script test to keep tests
working in that environment.
Change-Id: I4d21d024c6229ead38e5f24186883863511fd483
Reviewed-on: https://go-review.googlesource.com/c/go/+/497878
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
We used to inconsistently run certificate verification on the server on
resumption, but not on the client. This made TLS 1.3 resumption pretty
much useless, as it didn't save bytes, CPU, or round-trips.
This requires serializing the verified chains into the session ticket,
so it's a tradeoff making the ticket bigger to save computation (and for
consistency).
The previous behavior also had a "stickyness" issue: if a ticket
contained invalid certificates, they would be used even if the client
had in the meantime configured valid certificates for a full handshake.
We also didn't check expiration on the client side on resumption if
InsecureSkipVerify was set. Again for consistency, we do that now.
Also, we used to run VerifyPeerCertificates on resumption even if
NoClientCerts was set.
Fixes#31641
Change-Id: Icc88269ea4adb544fa81158114aae76f3c91a15f
Reviewed-on: https://go-review.googlesource.com/c/go/+/497895
Reviewed-by: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
