This test wasn't testing the HTTP/2 case, because it didn't
set NextProtos in the tls.Config.
Set "Connection: close" on requests to make sure each request
gets a new connection.
Change-Id: I1ef470e7433a602ce88da7bd7eeec502687ea857
Reviewed-on: https://go-review.googlesource.com/c/go/+/655676
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
TestScan loads encoding/json and verifies that various imports
match expectations. The new v2 encoding/json violates these
expectations. Since this test is testing the ScanDir function,
not encoding/json, change it to use a test package with defined
imports instead.
Change-Id: I68a0813ccf37daadbd6ea52872a8ac132141e82a
Reviewed-on: https://go-review.googlesource.com/c/go/+/665795
Reviewed-by: Alan Donovan <adonovan@google.com>
TryBot-Bypass: Damien Neil <dneil@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
CL 661575 inadvertently caused os.RemoveDir on Windows to
fail when given a path with a trailing / or \, due to the
splitPath function not correctly stripping trailing
separators.
Fixes#73317
Change-Id: I21977b94bb08ff1e563de6f5f16a4bdf5024a15e
Reviewed-on: https://go-review.googlesource.com/c/go/+/664715
Auto-Submit: Damien Neil <dneil@google.com>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
Before CL, all instances of gQueue and gList stored the size of
structures in a separate variable. The size changed manually and passed
as a separate argument to different functions. This CL added an
additional field to gQueue and gList structures to store the size. Also,
the calculation of size was moved into the implementation of API for
these structures. This allows to reduce possible errors by eliminating
manual calculation of the size and simplifying functions' signatures.
Change-Id: I087da2dfaec4925e4254ad40fce5ccb4c175ec41
Reviewed-on: https://go-review.googlesource.com/c/go/+/664777
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
The implementation of iter.Pull and iter.Pull2 functions is based on
closures and sharing local state, which results in one heap allocation
for each captured variable.
The number of heap allocations can be reduced by grouping the state
shared between closures in a struct, allowing the compiler to allocate
all local variables in a single heap region instead of creating
individual heap objects for each variable.
This approach can sometimes have downsides when it couples unrelated
objects in a single memory region, preventing the garbage collector from
reclaiming unused memory. While technically only a subset of the local
state is shared between the next and stop functions, it seems unlikely
that retaining the rest of the state until stop is reclaimed would be
problematic in practice, since the two closures would often have very
similar lifetimes.
The change also reduces the total memory footprint due to alignment
rules, the two booleans can be packed in memory and sometimes can even
exist within the padding space of the v value. There is also less
metadata needed for the garbage collector to track each individual heap
allocation.
goos: darwin
goarch: arm64
pkg: iter
cpu: Apple M2 Pro
│ /tmp/bench.old │ /tmp/bench.new │
│ sec/op │ sec/op vs base │
Pull-12 218.6n ± 7% 146.1n ± 0% -33.19% (p=0.000 n=10)
Pull2-12 239.8n ± 5% 155.0n ± 5% -35.36% (p=0.000 n=10)
geomean 229.0n 150.5n -34.28%
│ /tmp/bench.old │ /tmp/bench.new │
│ B/op │ B/op vs base │
Pull-12 288.0 ± 0% 176.0 ± 0% -38.89% (p=0.000 n=10)
Pull2-12 312.0 ± 0% 176.0 ± 0% -43.59% (p=0.000 n=10)
geomean 299.8 176.0 -41.29%
│ /tmp/bench.old │ /tmp/bench.new │
│ allocs/op │ allocs/op vs base │
Pull-12 11.000 ± 0% 5.000 ± 0% -54.55% (p=0.000 n=10)
Pull2-12 12.000 ± 0% 5.000 ± 0% -58.33% (p=0.000 n=10)
geomean 11.49 5.000 -56.48%
Change-Id: Iccbe233e8ae11066087ffa4781b66489d0d410a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/552375
Reviewed-by: Sean Liao <sean@liao.dev>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The memmove implementation relies on the variable
runtime.arm64UseAlignedLoads to select fastest code
path. Considering Neoverse N3, V3 and V3ae cores
prefer aligned loads, this patch adds code to detect
them for memmove performance.
Change-Id: I7266fc35d8b2c15ff516c592b987bafacb82b620
Reviewed-on: https://go-review.googlesource.com/c/go/+/664038
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
This is a case where CL 653856 saves an allocation.
│ old │ new │
│ sec/op │ sec/op vs base │
Join-24 73.57n ± 1% 60.27n ± 1% -18.07% (p=0.000 n=10)
│ old │ new │
│ B/op │ B/op vs base │
Join-24 48.00 ± 0% 24.00 ± 0% -50.00% (p=0.000 n=10)
│ old │ new │
│ allocs/op │ allocs/op vs base │
Join-24 2.000 ± 0% 1.000 ± 0% -50.00% (p=0.000 n=10)
Change-Id: I56308262ca73a7ab9698b54fd8681f5b44626995
Reviewed-on: https://go-review.googlesource.com/c/go/+/665075
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Disable the reception of NET_UNREACHABLE (TTL expired) message reporting
on UDP sockets to match the default behavior of sockets on other
plaforms.
See https://learn.microsoft.com/en-us/windows/win32/winsock/winsock-ioctls#sio_udp_netreset
This is similar to, but a different case from the prior change 3114bd6 /
https://golang.org/issue/5834 that disabled one of the two flags
influencing behavior in response to the reception of related ICMP.
Updates #5834
Updates #68614
Change-Id: I39bc77ab68f5edfc14514d78870ff4a24c0f645e
GitHub-Last-Rev: 78f073bac226aeca438b64acc2c66f76c25f29f8
GitHub-Pull-Request: golang/go#68615
Reviewed-on: https://go-review.googlesource.com/c/go/+/601397
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Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
This fixes the support for I/O on overlapped files that are not added to
the poller. Note that CL 661795 already added support for that, but it
really only worked for pipes, not for plain files.
Additionally, this CL also makes this kind of I/O operations to not
notify the external poller to avoid confusing it.
Updates #15388.
Change-Id: I15c6ea74f3a87960aef0986598077b6eab9b9c99
Reviewed-on: https://go-review.googlesource.com/c/go/+/664415
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Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
When the compiler builds a Go package with DWARF 5 generation enabled,
it emits relocations into various generated DWARF symbols (ex:
SDWARFFCN) that use the R_DWTXTADDR_* flavor of relocations. The
specific size of this relocation is selected based on the total number
of functions in the package -- if the package is tiny (just a couple
funcs) we can use R_DWTXTADDR_U1 relocs (which target just a byte); if
the package is larger we might need to use the 2-byte or 3-byte flavor
of this reloc.
Prior to this patch, the strategy used to pick the right relocation
size was flawed in that it didn't take into account packages with
assembly code. For example, if you have a package P with 200 funcs
written in Go source and 200 funcs written in assembly, you can't use
the R_DWTXTADDR_U1 reloc flavor for indirect text references since the
real function count for the package (asm + go) exceeds 255.
The new strategy (with this patch) is to have the compiler look at the
"symabis" file to determine the count of assembly functions. For the
assembler, rather than create additional plumbing to pass in the Go
source func count we just use an dummy (artificially high) function
count so as to select a relocation that will be large enough.
Fixes#72810.
Updates #26379.
Change-Id: I98d04f3c6aacca1dafe1f1610c99c77db290d1d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/663235
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Give people a way to turn this optimization off.
(Currently the constant-sized make() stack allocation is not disabled
with -N. Kinda inconsistent, but oh well, probably worse to change it now.)
Update #73253
Change-Id: Idb9ffde444f34e70673147fd6a962368904a7a55
Reviewed-on: https://go-review.googlesource.com/c/go/+/664655
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: t hepudds <thepudds1460@gmail.com>
TestRootChtimes currently fails on illumos [1] because the times
returned by os.Stat have only microsecond precision on that builder.
Truncate them to make the test pass again.
[1] https://build.golang.org/log/9780af24c3b3073dae1d827b2b9f9e3a48912c30
Change-Id: I8cf895d0b60c854c27cb4faf57c3b44bd40bfdd4
Reviewed-on: https://go-review.googlesource.com/c/go/+/664915
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Damien Neil <dneil@google.com>
TryBot-Bypass: Damien Neil <dneil@google.com>
The SpinbitMutex experiment requires m structs other than m0
to be allocated in 2048-byte size class, by adding padding.
Do the calculation more explicitly, to avoid future CLs like CL 653335.
Change-Id: I83ae1e86ef3711ab65441f4e487f94b9e1429029
Reviewed-on: https://go-review.googlesource.com/c/go/+/654595
Reviewed-by: Rhys Hiltner <rhys.hiltner@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
It is annoying that non-x86 implementations of shlVU and shrVU
have to go out of their way to handle the trivial case shift==0
with their own copy loops. Instead, arrange to never call them
with shift==0, so that the code can be removed.
Unfortunately, there are linknames of shlVU, so we cannot
change that function. But we can rename the functions and
then leave behind a shlVU wrapper, so do that.
Since the big.Int API calls the operations Lsh and Rsh, rename
shlVU/shrVU to lshVU/rshVU. Also rename various other shl/shr
methods and functions to lsh/rsh.
Change-Id: Ieaf54e0110a298730aa3e4566ce5be57ba7fc121
Reviewed-on: https://go-review.googlesource.com/c/go/+/664896
Reviewed-by: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
addMulVVW is an unnecessarily special case.
All other assembly routines taking []Word (V as in vector) arguments
take separate source and destination. For example:
addVV: z = x+y
mulAddVWW: z = x*m+a
addMulVVW uses the z parameter as both destination and source:
addMulVVW: z = z+x*m
Even looking at the signatures is confusing: all the VV routines take
two input vectors x and y, but addMulVVW takes only x: where is y?
(The answer is that the two inputs are z and x.)
It would be nice to fix this, both for understandability and regularity,
and to simplify a future assembly generator.
We cannot remove or redefine addMulVVW, because it has been used
in linknames. Instead, the CL adds a new final addend argument ‘a’
like in mulAddVWW, making the natural name addMulVVWW
(two input vectors, two input words):
addMulVVWW: z = x+y*m+a
This CL updates all the assembly implementations to rename the
inputs z, x, y -> x, y, m, and then introduces a separate destination z.
Change-Id: Ib76c80b53f6d1f4a901f663566e9c4764bb20488
Reviewed-on: https://go-review.googlesource.com/c/go/+/664895
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
This CL adds ability to specify a subdirectory in the go-import meta tag.
A go-import meta tag now will support:
<meta name="go-import" content="root-path vcs repo-url subdir">
Fixes: #34055
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Change-Id: Iedac520f97e0646254cc1bd2f97d5a9a5236829b
Reviewed-on: https://go-review.googlesource.com/c/go/+/625577
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Sam Thanawalla <samthanawalla@google.com>
The sendfile implementation for platforms supporting it is now in
net/sendfile.go, rather than being duplicated in separate files for
each platform.
The only difference between the implementations was the poll.SendFile
parameters, which have been harmonized, and also linux strictly
asserting for os.File, which now have been relaxed to allow any
type implementing syscall.Conn.
Change-Id: Ia1a2d5ee7380710a36fc555dbf681f7e996ea2ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/664075
Reviewed-by: Damien Neil <dneil@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
Windows sendfile optimization is skipped since CL 472475, which started
passing an os.fileWithoutWriteTo instead of an os.File to sendfile,
and that function was only implemented for os.File.
This CL fixes the issue by asserting against an interface rather than
a concrete type.
Some tests have been reenabled, triggering bugs in poll.SendFile which
have been fixed in this CL.
Fixes#67042.
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest
Change-Id: Id6f7a0e1e0f34a72216fa9d00c5bf36f5a994219
Reviewed-on: https://go-review.googlesource.com/c/go/+/664055
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Use i64 to avoid overflow when getting PC_F from the return addr.
Fixes#73246
Change-Id: I5683dccf7eada4b8536edf53e2e83116a2f6d943
GitHub-Last-Rev: 267d9a1a031868430d0af530de14229ee1ae8609
GitHub-Pull-Request: golang/go#73277
Reviewed-on: https://go-review.googlesource.com/c/go/+/663995
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Improve the initialization of the Value map in cloneMultipartForm by
utilizing the length of the File map to optimize memory allocation.
Change-Id: I97ba9e19b2718a75c270e6df21306f4c82656c71
GitHub-Last-Rev: a9683ba9a7cbb20213766fba8d9096b4f8591d86
GitHub-Pull-Request: golang/go#69943
Reviewed-on: https://go-review.googlesource.com/c/go/+/621235
Reviewed-by: Christian Ekrem <christianekrem@gmail.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
The following sequence in the scheduler may potentially lead to
deadlock:
- globrunqget() -> runqput() -> runqputslow() -> globrunqputbatch()
However, according to the current logic of the scheduler it is not
possible to face the deadlock.
The patch explicitly excludes the deadlock, even though it is impossible
situation at the moment.
Additionally, the "runq" and "globrunq" APIs were partially refactored,
which allowed to minimize the usage of these APIs by each other.
This will prevent situations described in the CL.
Change-Id: I7318f935d285b95522998e0903eaa6193af2ba48
Reviewed-on: https://go-review.googlesource.com/c/go/+/662216
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
When other environment variables are set to default values,
we will not print it in go env -changed,
GOCACHE should do the same.
For #69994
Change-Id: I16661803cf1f56dd132b4db1c2d5cb4823fc0e58
Reviewed-on: https://go-review.googlesource.com/c/go/+/621997
Reviewed-by: Sean Liao <sean@liao.dev>
Auto-Submit: Sean Liao <sean@liao.dev>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
CL 518776 dropped the ability of 'go mod init' to convert
legacy pre-module dependency configuration files, such as automatically
transforming a Gopkg.lock to a go.mod file with similar requirements,
but some of the documentation remained.
In this CL, we remove it from the cmd/go documentation.
(CL 662675 is a companion change that removes it from the Modules
Reference page).
Updates #71537
Change-Id: Ieccc64c811c4c25a657c00e42f7362a32b5fd661
Reviewed-on: https://go-review.googlesource.com/c/go/+/662695
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Sean Liao <sean@liao.dev>
Auto-Submit: Sean Liao <sean@liao.dev>
Previously, Hijack allocated a new write buffer and the existing
connection write buffer used an extra 4KiB of memory until the handler
finished and the "conn" was garbage collected. Now, hijack re-uses the
existing write buffer and re-attaches it to the raw connection to avoid
referencing the net/http "conn" after returning.
After a handler that hijacked exited, the "conn" reference in
"connReader" will now be unset. This allows all of the "conn",
"response" and "Request" to get garbage collected.
Overall, this is reducing the memory usage by 43% or 6.7KiB per hijacked
connection (see BenchmarkServerHijackMemoryUsage in an earlier revision
of the CL).
CloseNotify will continue to work _before_ the handler has exited
(i.e. while the "conn" is still referenced in "connReader"). This aligns
with the documentation of CloseNotifier:
> After the Handler has returned, there is no guarantee that the channel
> receives a value.
goos: linux
goarch: amd64
pkg: net/http
cpu: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
│ before │ after │
│ sec/op │ sec/op vs base │
ServerHijack-8 42.59µ ± 8% 39.47µ ± 16% ~ (p=0.481 n=10)
│ before │ after │
│ B/op │ B/op vs base │
ServerHijack-8 16.12Ki ± 0% 12.06Ki ± 0% -25.16% (p=0.000 n=10)
│ before │ after │
│ allocs/op │ allocs/op vs base │
ServerHijack-8 51.00 ± 0% 49.00 ± 0% -3.92% (p=0.000 n=10)
Change-Id: I20a37ee314ed0d47463a4657d712154e78e48138
GitHub-Last-Rev: 80f09dfa273035f53cdd72845e5c5fb129c3e230
GitHub-Pull-Request: golang/go#70756
Reviewed-on: https://go-review.googlesource.com/c/go/+/634855
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
There is a potential race between a concurrent call to FD.initIO, which
calls FD.pd.init, and a call to FD.Close, which calls FD.pd.evict.
This is solved by calling FD.initIO in FD.Close, as that will block
until the concurrent FD.initIO has completed. Note that FD.initIO is
no-op if first called from here.
The race window is so small that it is not possible to write a test
that triggers it.
Change-Id: Ie2f2818e746b9d626fe3b9eb6b8ff967c81ef863
Reviewed-on: https://go-review.googlesource.com/c/go/+/663815
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
This CL removes some unnecessary code and duplicated NewFile tests
cases.
It also simplifies TestPipeCanceled by removing the need for using
SetReadDeadline. Using CancelIoEx instead of CancelIo makes the cancel
operations to finish almost instantly. The latter could take more than
20s to finish if called from a thread different from the one that
called ReadFile.
Change-Id: I9033cbcad277666bc2aec89b3e5a3ef529da2cd8
Reviewed-on: https://go-review.googlesource.com/c/go/+/663755
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
If Transport is a non-nil interface pointing to a nil implementer,
then a panic inside of roundTrip further obsfucates the issue.
Change-Id: I47664b8e6185c5f56b5e529f49022484b5ea1d94
Reviewed-on: https://go-review.googlesource.com/c/go/+/661897
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Auto-Submit: Neal Patel <nealpatel@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Avoid a case where Cause(ctx) could return nil for a canceled context,
when ctx is a custom context implementation and descends from a
cancellable-but-not-canceled first-party Context.
Fixes#73258
Change-Id: Idbd81ccddea82ecabece4373d718baae6ca4b58e
Reviewed-on: https://go-review.googlesource.com/c/go/+/663936
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Change-Id: I61529b5162f8a77d3bbffcbbac98c834a7626e3a
Reviewed-on: https://go-review.googlesource.com/c/go/+/661935
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Carlos Amedee <carlos@golang.org>
