Provide and use rotation pseudo-instructions for riscv64. The RISC-V bitmanip
extension adds support for hardware rotation instructions in the form of ROL,
ROLW, ROR, RORI, RORIW and RORW. These are easily implemented in the assembler
as pseudo-instructions for CPUs that do not support the bitmanip extension.
This approach provides a number of advantages, including reducing the rewrite
rules needed in the compiler, simplifying codegen tests and most importantly,
allowing these instructions to be used in assembly (for example, riscv64
optimised versions of SHA-256 and SHA-512). When bitmanip support is added,
these instruction sequences can simply be replaced with a single instruction
if permitted by the GORISCV64 profile.
Change-Id: Ia23402e1a82f211ac760690deb063386056ae1fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/565015
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
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commands run:
go get golang.org/x/telemetry@d5a85b2
go mod tidy
go mod vendor
Fixes#66099
Change-Id: Ia9215855f1472fa885792d5b23a986f29759af18
Reviewed-on: https://go-review.googlesource.com/c/go/+/569421
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Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Michael Matloob <matloob@golang.org>
This is a requirement of x/telemetry so update it before updating
telemetry.
Commands run (in both std and cmd):
go get golang.org/x/sys@v0.18.0
go mod tidy
go mod vendor
For #66099
Change-Id: I636f0c0be89c05b9213c461b1a2eb2a4afb8a84b
Reviewed-on: https://go-review.googlesource.com/c/go/+/569420
Reviewed-by: Bryan Mills <bcmills@google.com>
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Auto-Submit: Michael Matloob <matloob@golang.org>
Change-Id: I4534a116ef421379b2356bbe80760adae8cdd95f
GitHub-Last-Rev: a3fab3f1fa
GitHub-Pull-Request: golang/go#65892
Reviewed-on: https://go-review.googlesource.com/c/go/+/566315
Run-TryBot: Tim King <taking@google.com>
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Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Win32 LoadLibrary supports loading a DLL omitting the .dll extension,
but it is better to be explicit and include the extension. This is
consistent with all other uses of LoadLibrary in the Go standard
library.
Change-Id: I7349d0a27db5f8ab59061434f37d10918e43b869
Reviewed-on: https://go-review.googlesource.com/c/go/+/569535
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Reviewed-by: Bryan Mills <bcmills@google.com>
ServeContent API is to set some headers you want to see in the response
before calling ServeContent. But if there is an error, those headers
should be removed otherwise they might confused the client.
Removing those headers is useful in general in the case of an error,
so we remove them in http.Error.
Fixes#50905.
Change-Id: If8d2786c1512906ac93e6b388df6ab1c5ecd1ea9
GitHub-Last-Rev: 32b6f045a7
GitHub-Pull-Request: golang/go#64312
Reviewed-on: https://go-review.googlesource.com/c/go/+/544019
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Reviewed-by: Damien Neil <dneil@google.com>
Change-Id: If8bcde960348ebafec2ced0e22f315685de0bb82
GitHub-Last-Rev: 4477ade97f
GitHub-Pull-Request: golang/go#66124
Reviewed-on: https://go-review.googlesource.com/c/go/+/569278
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: Id2d45a4b43b05deba4e2c31f7c03008c2f2c18a2
GitHub-Last-Rev: 587bed9a64
GitHub-Pull-Request: golang/go#66110
Reviewed-on: https://go-review.googlesource.com/c/go/+/569075
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Auto-Submit: Ian Lance Taylor <iant@google.com>
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Adds GOARM64 environment variable with accepted range of values "v8.{0-9}",
"v9.{0-5}" and optional ",lse" and ",crypto" suffixes.
Right now it doesn't affect anything, but can be used in the future to
selectively target specific versions of different ARM64 hardware.
For #60905
Change-Id: I6d530041b6931aa884e34f719f8ec41b1cb03ece
Reviewed-on: https://go-review.googlesource.com/c/go/+/559555
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Shu-Chun Weng <scw@google.com>
Reviewed-by: Fannie Zhang <Fannie.Zhang@arm.com>
Change-Id: I8b9aa1f36ce554d8855ee70e15f0dd0a8cf1097a
Reviewed-on: https://go-review.googlesource.com/c/go/+/568342
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
mime/multipart.Reader.ReadForm allows specifying the maximum amount
of memory that will be consumed by the form. While this limit is
correctly applied to the parsed form data structure, it was not
being applied to individual header lines in a form.
For example, when presented with a form containing a header line
that never ends, ReadForm will continue to read the line until it
runs out of memory.
Limit the amount of data consumed when reading a header.
Fixes CVE-2023-45290
Fixes#65383
Change-Id: I7f9264d25752009e95f6b2c80e3d76aaf321d658
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/2134435
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/569341
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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When deciding whether to forward cookies or sensitive headers
across a redirect, do not attempt to interpret an IPv6 address
as a domain name.
Avoids a case where a maliciously-crafted redirect to an
IPv6 address with a scoped addressing zone could be
misinterpreted as a within-domain redirect. For example,
we could interpret "::1%.www.example.com" as a subdomain
of "www.example.com".
Thanks to Juho Nurminen of Mattermost for reporting this issue.
Fixes CVE-2023-45289
Fixes#65065
Change-Id: I8f463f59f0e700c8a18733d2b264a8bcb3a19599
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/2131938
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/569340
Reviewed-by: Damien Neil <dneil@google.com>
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Auto-Submit: Michael Knyszek <mknyszek@google.com>
alreadyInChain assumes all keys fit a interface which contains the
Equal method (which they do), but this ignores that certificates may
have a nil key when PublicKeyAlgorithm is UnknownPublicKeyAlgorithm. In
this case alreadyInChain panics.
Check that the key is non-nil as part of considerCandidate (we are never
going to build a chain containing UnknownPublicKeyAlgorithm anyway).
Fixes#65390
Fixes CVE-2024-24783
Change-Id: Ibdccc0a487e3368b6812be35daad2512220243f3
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/2137282
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/569339
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
63703.md contains a paragraph that shouldn't be there,
remove it.
While here, fix a test error message related to the #63703
implementation.
Updates #63703.
Change-Id: I82a8b0b7dfa8f96530fb9a3a3aa971e03970f168
Reviewed-on: https://go-review.googlesource.com/c/go/+/569195
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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We check that -mod can't be set to mod in workspace mode, but then we
set BuildMod to mod for go work sync below. Make it clear that that's
okay because we can't pass -mod=mod to go work sync (or the other go
mod commands that can run in workspace mode that set mod=mod: go mod
graph, go mod verify, and go mod why).
Change-Id: Idfe6fea6a420211886e4f838e050be4bf7d1b71d
Reviewed-on: https://go-review.googlesource.com/c/go/+/497617
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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This CL updates os.Readlink so it no longer tries to normalize volumes
to drive letters, which was not always even possible.
This behavior is controlled by the `winreadlinkvolume` setting.
For Go 1.23, it defaults to `winreadlinkvolume=1`.
Previous versions default to `winreadlinkvolume=0`.
Fixes#63703.
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Change-Id: Icd6fabbc8f0b78e23a82eef8db89940e89e9222d
Reviewed-on: https://go-review.googlesource.com/c/go/+/567735
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Reviewed-by: Bryan Mills <bcmills@google.com>
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This patch fixes a bug in the code that reports coverage percentages
and/or profiles for packages without tests. Specifically, the code
added as part of the fix for issue 24570 (in CL 495447) didn't
properly consider the -coverpkg selection and would look for the build
action meta-data file for a package that wasn't actually selected for
coverage.
Fixes#65653.
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Change-Id: I66ffac11783c00a8cbd855fd05b9a90e4e0ed402
Reviewed-on: https://go-review.googlesource.com/c/go/+/568835
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The rotate-by-reverse code in fact does only 2 writes per entry, so
it is fine and simpler.
Change-Id: I5feea9698b5575f1f0ae9069cc1d074643529262
Reviewed-on: https://go-review.googlesource.com/c/go/+/562321
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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When reading through the docs, I found that the sentence flows better with
the `to` present.
Change-Id: I51c21fa33c7a13748c0814dd87c76b9a8d64e2ec
GitHub-Last-Rev: 0642bd7185
GitHub-Pull-Request: golang/go#63587
Reviewed-on: https://go-review.googlesource.com/c/go/+/535935
Reviewed-by: Damien Neil <dneil@google.com>
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This CL changes the behavior of os.Lstat to stop setting the
os.ModeSymlink type mode bit for mount points on Windows. As a result,
filepath.EvalSymlinks no longer evaluates mount points, which was the
cause of many inconsistencies and bugs.
Additionally, os.Lstat starts setting the os.ModeIrregular type mode bit
for all reparse tags on Windows, except for those that are explicitly
supported by the os package, which, since this CL, doesn't include mount
points. This helps to identify files that need special handling outside
of the os package.
This behavior is controlled by the `winsymlink` GODEBUG setting.
For Go 1.23, it defaults to `winsymlink=1`.
Previous versions default to `winsymlink=0`.
Fixes#39786Fixes#40176Fixes#61893
Updates #63703
Updates #40180
Updates #63429
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Maintain a list of counters we collect and test that it hasn't
changed. If it has, fail a test and have the user update the list. The
update process will print a reminder to update the list of collected
counters.
Also run go mod vendor to pull in
golang.org/x/telemetry/counter/countertest.
For #58894
Change-Id: I661a9c3d67cb33f42a5519f4639af7aa05c3821d
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Using (*Sym).LinksymABI(abi) directly is not recommended.
Replace with (*ir.Name).LinksymABI(abi).
Change-Id: I95d5d35240d4e1856ba511d828f6edefcee81b4f
GitHub-Last-Rev: 6787b65716
GitHub-Pull-Request: golang/go#66094
Reviewed-on: https://go-review.googlesource.com/c/go/+/568855
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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As the document of Sym.Linksym said, we replace
reflectdata.TypeSym(t).Linksym() with reflectdata.TypeLinksym(t).
Change-Id: I578eb159e552e60cd05d2aa1560f91797a6629ef
GitHub-Last-Rev: d096cba8f0
GitHub-Pull-Request: golang/go#66088
Reviewed-on: https://go-review.googlesource.com/c/go/+/568715
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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For #64707.
For #65614.
Change-Id: Ib07ac67d7652bc7c9e1363f70637938c7bb4bc72
GitHub-Last-Rev: a4d8ecacbc
GitHub-Pull-Request: golang/go#66089
Reviewed-on: https://go-review.googlesource.com/c/go/+/568755
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Change-Id: I72f73016d0d1ba4f686bafd4ee62a43e4e38aead
GitHub-Last-Rev: 8c824caa3c
GitHub-Pull-Request: golang/go#66082
Reviewed-on: https://go-review.googlesource.com/c/go/+/568655
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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According to the https://go.dev/wiki/CodeReviewComments#receiver-names
Change-Id: Ib8bc57cf6a680e5c75d7346b74e77847945f6939
Reviewed-on: https://go-review.googlesource.com/c/go/+/568635
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Change-Id: I6de70064222038d7d15557be9e85b66f944ac554
GitHub-Last-Rev: fe7d6e9490
GitHub-Pull-Request: golang/go#66021
Reviewed-on: https://go-review.googlesource.com/c/go/+/568077
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Existing implementation did not allow setting both padding and minus flags at the same time because standard formatting does not allow that. But custom Formatter interface implementations might have use of it. This change moves the check from the place flags are parsed to where they are used in standard formatting.
Fixes#61784
Change-Id: If5909d45dc929ddf911453e1056a4661abe76e52
GitHub-Last-Rev: d99ec55d3b
GitHub-Pull-Request: golang/go#61836
Reviewed-on: https://go-review.googlesource.com/c/go/+/516975
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
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Reviewed-by: Martin Möhrmann <martin@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Change-Id: I943a7794dab919b7377661a4b9e2e1d9865f2922
GitHub-Last-Rev: 2a66fce273
GitHub-Pull-Request: golang/go#66063
Reviewed-on: https://go-review.googlesource.com/c/go/+/568495
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: I271f25aefaace61935d55a1b6b7c026d022d92a7
GitHub-Last-Rev: 304e3ee979
GitHub-Pull-Request: golang/go#66023
Reviewed-on: https://go-review.googlesource.com/c/go/+/567918
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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For consistency, this CL cleans up unnecessary comments,
and moves these Overflow methods to exported area.
For #60427
Change-Id: I14d4ffbc3552d31c211ea1e0b7a0f7090a4a8b89
GitHub-Last-Rev: acdc6ad51b
GitHub-Pull-Request: golang/go#66019
Reviewed-on: https://go-review.googlesource.com/c/go/+/567917
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I wrote theses checks because I got bad panics on some innocent functions,
turns out I was working around #63955 but I was not aware of that at the time.
The proper fix was included in CL 539977 this is now doing nothing.
Change-Id: I89329329933527b6f3cb817dc1e039a38f58da9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/560975
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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"git show" by default shows the diff from the previous commit. "-s"
suppress all output from the diff machinery. But it will still try to
fetch the relevant objects, which may be unavailable if the repository
is a partial clone.
Use "git log" instead, which only needs the commit object.
Fixes#65339
Change-Id: I766a680321cd22d5fdbd08d24cb777ef964bdb7c
GitHub-Last-Rev: 87a8ba4352
GitHub-Pull-Request: golang/go#65341
Reviewed-on: https://go-review.googlesource.com/c/go/+/559075
Auto-Submit: Bryan Mills <bcmills@google.com>
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For #65355
Change-Id: I9168d9a767e3b2ece65ac6dcab6827ab6f6b11bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/560136
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Auto-Submit: Ian Lance Taylor <iant@golang.org>
Ran commands:
go get golang.org/x/telemetry@3d5706d
go mod vendor
Change-Id: Ia1749267e30222ff8d3186c6156c739df6be6f55
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Add unclosed HTML tags and remove redundant </a> tags.
Change-Id: I3fffbcfd640001c9cc4f6085150344daa0c4369b
Reviewed-on: https://go-review.googlesource.com/c/go/+/568155
Reviewed-by: Bryan Mills <bcmills@google.com>
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LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The document address currently showing the problem is: https://pkg.go.dev/bytes#Buffer.ReadByte
Change-Id: Ib52747e38f72541f3ca2a595aa8eca5d91281c80
Reviewed-on: https://go-review.googlesource.com/c/go/+/568135
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Run-TryBot: shuang cui <imcusg@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
The problem was caused by faulty handling of unSSA-able
operations on zero-sized data in expand calls, but there
is no point to operations on zero-sized data. This CL adds
a simplify step to the first place in SSA where all values
are processed and replaces anything producing a 0-sized
struct/array with the corresponding Struct/Array Make0
operation (of the appropriate type).
I attempted not generating them in ssagen, but that was a
larger change, and also had bugs. This is simple and obvious.
The only question is whether it would be worthwhile to do it
earlier (in numberlines or phielem).
Fixes#65808.
Change-Id: I0a596b3d272798015e7bb6b1a20411241759fe0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/568258
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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>
Correctly generate local text symbols needed for R_RISCV_CALL when
external linking. R_RISCV_CALL was added in CL #520095 as a way of
marking AUIPC+JALR pairs, instead of overloading R_RISCV_PCREL_ITYPE.
However, genSymsLate was not updated to generate local text symbols
for the new relocation type, leading to HI20 symbol lookup failures.
This issue is detected by cmd/internal/obj/riscv.TestLargeCall,
however this is unfortunately skipped in short mode.
Fixes#65646
Change-Id: I8ee0f13791e0628f31657bf7dae2be8482b689b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/567375
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
