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Author SHA1 Message Date
Than McIntosh 902da52f7b Revert "cmd/cgo, cmd/compile, cmd/link: remove old style build tags"
This reverts commit 6616573982, corresponding to CL 436915.

Reason for revert: this is causing some bootstrap build problems with older versions of Go 1.17, as I understand it. Still under investigation.

Change-Id: Idb6e17ff7b47004cbf87f967af6d84f214d8abb5
Reviewed-on: https://go-review.googlesource.com/c/go/+/435471
Reviewed-by: David Chase <drchase@google.com>
2022-09-30 14:43:55 +00:00
cuiweixie 13159fef04 go: replace bytes.Compare with bytes.Equal
Change-Id: I268033bfcda34b76ef1d3a3446d6d1d875fc33ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/436716
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2022-09-30 14:14:36 +00:00
cuiweixie 7aa4905bb4 go/doc: use strings.TrimPrefix
Change-Id: Ie1e76d2e99bf2af7f064c9073c1fb866086962f6
Reviewed-on: https://go-review.googlesource.com/c/go/+/436715
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2022-09-30 14:12:38 +00:00
Than McIntosh 9910f8a403 internal/buildcfg: enabled CoverageRedesign GOEXPERIMENT by default
Turn on the CoverageRedesign GOEXPERIMENT by default.

Updates #51430.

Change-Id: Id15c67ef0b6ac421b188d163fd2ce4a302abb3c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/436236
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2022-09-30 13:50:45 +00:00
Tobias Klauser 6616573982 cmd/cgo, cmd/compile, cmd/link: remove old style build tags
The minimum bootstrap version for Go ≥ 1.20 is Go 1.17. That version
supports the new style //go:build lines. Thus the old style //+build
lines can be dropped in this part of the tree as well. Leave the
//+build lines in cmd/dist which will ensure the minimum Go version
during bootstrap.

As suggested by Cherry during review of CL 430496

For #44505

Change-Id: If53c0b02cacbfb055a33e73cfd38578dfd3aa340
Reviewed-on: https://go-review.googlesource.com/c/go/+/436915
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2022-09-30 11:22:39 +00:00
doujiang24 d7dbe0111e runtime/trace: skip tests if parsing fails with timestamp error
already skips tests in case of the timestamp error, eg. #97757

Change-Id: Ia696e83cba2e3ed50181a8100b964847092a7365
GitHub-Last-Rev: 8e5f607e14
GitHub-Pull-Request: golang/go#55918
Reviewed-on: https://go-review.googlesource.com/c/go/+/435855
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2022-09-30 05:48:38 +00:00
Mikael Urankar 9faf6b7929 cmd/link/internal/riscv64: add support for freebsd/riscv64
Updates #53466

Change-Id: Ifa1b8fe79f952a08dbdf91ae5ab23e4431e66134
Reviewed-on: https://go-review.googlesource.com/c/go/+/431660
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2022-09-30 03:08:40 +00:00
cuiweixie 2cbcf36ede cmd/internal: use fmt.Fprintf
Change-Id: Ifa78c98bf919ea62136f19b2bad0a8ee33afc646
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2022-09-30 01:56:14 +00:00
cuiweixie f1f85f4ab5 strconv: delete unused field
Change-Id: I1257270c55d69962988b6034e7341a9142a0c449
Reviewed-on: https://go-review.googlesource.com/c/go/+/436720
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2022-09-30 01:40:34 +00:00
cuiweixie 157e018fc3 cmd/compile/internal/noder: remove unnecessary assignment to the blank identifier
Change-Id: I51dd087e630bf433c30d0aaaf3715b62524eb432
Reviewed-on: https://go-review.googlesource.com/c/go/+/436647
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2022-09-30 01:35:55 +00:00
cuiweixie dc53738f58 internal/profile: omit comparison tool bool constant
Change-Id: I59b3e72382433a6dd82306f026171f3af4a6cba7
Reviewed-on: https://go-review.googlesource.com/c/go/+/436717
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2022-09-30 01:34:14 +00:00
cuiweixie 574b5decf2 cmd/internal/obj/x86: return comparison directly
Change-Id: I4b596b252c1785b13c4a166e9ef5f4ae812cd1bc
Reviewed-on: https://go-review.googlesource.com/c/go/+/436704
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2022-09-29 23:49:16 +00:00
cuiweixie 1a6af5f7a0 cmd/internal/obj: call delete directly without check exist
Change-Id: I5350c6374cd39ce4512d29cd8a341c4996f3b601
Reviewed-on: https://go-review.googlesource.com/c/go/+/436703
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2022-09-29 23:49:15 +00:00
cuiweixie 1f15838392 cmd/internal/dwarf: remove redundant break statement
Change-Id: I20956187e925ef6ab35d23b23c40bbb0ee55ef4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/436702
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2022-09-29 23:49:14 +00:00
cuiweixie d547ae2a8e cmd/internal/cov: use io.SeekStart, io.SeekCurrent, and io.SeekEnd
Change-Id: Ibf7e33e42c649783eaa0e638babff22d96ab51c8
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2022-09-29 23:49:12 +00:00
cuiweixie fdcaae5734 cmd/go/internal/mvs: remove useless type assertion
Change-Id: Ifdb351193cab1c0b905a1cde17993231f849644c
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2022-09-29 23:49:11 +00:00
cuiweixie 2fedd335f0 cmd/go/internal/modindex: should omit comparison to bool constant
Change-Id: Iea75d0475e1cc8f794a7bae864c6ce0e6e33cb6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/436698
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2022-09-29 23:48:48 +00:00
cuiweixie 1896eac57f cmd/go/internal/list: should omit comparison to bool constant
Change-Id: Ieef05be39bad1263eacedb33c2043ee83080f629
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2022-09-29 23:48:46 +00:00
cuiweixie 5613de9d47 cmd/go/internal/bug: use bytes.Contains
Change-Id: I982835eb0d051e48964fc4a66018514c7203dd0a
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2022-09-29 23:48:45 +00:00
cuiweixie 679640aee8 cmd/cover: use io.SeekStart, io.SeekCurrent
Change-Id: Ie3b593f7f0c71334dc8c446d545bf441f2ae81f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/436695
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2022-09-29 23:48:44 +00:00
cuiweixie 0582b7958e cmd/cover: remove unnecessary fmt.Sprintf
Change-Id: I892f17a8a6464d53dbf330a41439a81cb8873262
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2022-09-29 23:48:42 +00:00
cuiweixie 1985507257 cmd/compile/internal/ppc64: delete useless break
Change-Id: I32ab2f2dcc5e8357b8e832bc40f688a88550007f
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2022-09-29 23:48:20 +00:00
cuiweixie 1b5110268b internal: use io.SeekStart, io.SeekCurrent, and io.SeekEnd
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2022-09-29 23:45:29 +00:00
cuiweixie daf1612dc7 internal: use time.Since instead of time.Now().Sub
Change-Id: I536c7fad84a63e96658c6930a5a77fd70edca33c
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2022-09-29 23:45:27 +00:00
cuiweixie b8ed88db8d compress: remove useless break statement
Change-Id: Ia2b376d134d4fd273924de2e4cdee9eba5a15c57
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2022-09-29 22:59:14 +00:00
cui fliter 1d65566148 cmd/fix: use strings.Cut
Change-Id: Ibee86b4c5dc9a18df9bdc65b0ec8339ee1cac7a9
GitHub-Last-Rev: 336580707c
GitHub-Pull-Request: golang/go#55911
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2022-09-29 22:58:43 +00:00
cui fliter c69d6d8b3e cmd: fix a few function names on comments
Change-Id: Ia0896bd1edf2558821244fecd1c297b599472f47
GitHub-Last-Rev: cfd1e1091a
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2022-09-29 22:58:11 +00:00
cui fliter 84c188008e crypto: fix a few function names on comments
Change-Id: I06f85f78c4c802142fc9207b100753decd568274
GitHub-Last-Rev: 4ad4c0f5e9
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2022-09-29 22:56:49 +00:00
hopehook 972496ae6e all: use strings.Builder where appropriate
Change-Id: I164d350ca480640996055dedf38d962921c474a6
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2022-09-29 22:56:00 +00:00
hopehook b78b84cd23 sync/atomic: rename "ifaceWords" to "efaceWords"
Rename "ifaceWords" to "efaceWords", since we are defining
an empty interface.

Change-Id: I7151fb730a081a800e6dd28bcba831787ee9d6a2
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2022-09-29 22:55:09 +00:00
Mikael Urankar bf0a1ffbe2 syscall: add support for freebsd/riscv64
Updates #53466

Change-Id: I3c156400a105e711d6da0980854c08bf2f7e415a
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2022-09-29 22:39:46 +00:00
Nobuki Fujii a14ac8635f testing: update description of Setenv
Add the description of Setenv that it cannot use if the test have
parallel ancestors.

Fixes #55128

Change-Id: Ia5a1deaa1a3116d1ebb439600a7d316c7d155412
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2022-09-29 22:16:42 +00:00
cuiweixie e7a3d87dda cmd/compile/internal/ir: delete unused code
Change-Id: I4f7581d1f4cd8a305acc02454e032c0788d39283
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2022-09-29 22:03:56 +00:00
cuiweixie 32a52e0399 cmd/go: using strings.CutPrefix replace strings.HasPrefix and strings.TrimPrefix
Change-Id: I143d05c24a3e897d0f3ee78dd16954c32ceae091
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2022-09-29 21:28:10 +00:00
cuiweixie 2b45aebe14 net/http: using strings.CutPrefix replace strings.HasPrefix and strings.TrimPrefix
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2022-09-29 21:28:08 +00:00
Keith Randall 59bc93535b cmd/compile: keep typecheck results in syntax tree
Saves on both space and cost of map operations. Saves about 3% in compile time.

name                      old time/op       new time/op       delta
Template                        251ms ± 2%        244ms ± 1%   -2.78%  (p=0.000 n=8+8)
Unicode                         149ms ± 5%        135ms ± 2%   -9.03%  (p=0.000 n=10+10)
GoTypes                         1.38s ± 1%        1.35s ± 1%   -2.29%  (p=0.000 n=10+10)
Compiler                        115ms ± 2%        112ms ± 2%   -2.50%  (p=0.001 n=10+9)
SSA                             11.9s ± 0%        11.4s ± 0%   -4.04%  (p=0.000 n=9+10)
Flate                           153ms ± 1%        148ms ± 1%   -3.32%  (p=0.000 n=10+9)
GoParser                        284ms ± 2%        280ms ± 1%   -1.70%  (p=0.002 n=10+10)
Tar                             209ms ± 2%        205ms ± 2%   -1.98%  (p=0.004 n=9+10)
XML                             287ms ± 2%        281ms ± 1%   -2.06%  (p=0.000 n=10+10)
LinkCompiler                    508ms ± 2%        501ms ± 2%   -1.31%  (p=0.024 n=9+9)
ExternalLinkCompiler            2.66s ± 3%        2.63s ± 4%     ~     (p=0.280 n=10+10)
LinkWithoutDebugCompiler        338ms ± 3%        330ms ± 3%   -2.21%  (p=0.009 n=10+10)
StdCmd                          21.5s ± 1%        20.8s ± 1%   -3.27%  (p=0.000 n=9+9)
[Geo mean]                      615ms             597ms        -2.91%

name                      old user-time/op  new user-time/op  delta
Template                        344ms ± 2%        324ms ± 3%   -6.01%  (p=0.000 n=9+9)
Unicode                         215ms ±11%        192ms ± 2%  -10.84%  (p=0.000 n=10+9)
GoTypes                         1.99s ± 2%        1.93s ± 2%   -2.73%  (p=0.000 n=10+10)
Compiler                        142ms ± 4%        140ms ± 3%   -1.89%  (p=0.031 n=9+9)
SSA                             17.4s ± 1%        17.0s ± 5%     ~     (p=0.113 n=9+10)
Flate                           200ms ± 4%        196ms ± 6%     ~     (p=0.190 n=10+10)
GoParser                        388ms ± 3%        378ms ± 4%   -2.59%  (p=0.004 n=9+10)
Tar                             278ms ± 8%        277ms ± 2%     ~     (p=0.315 n=10+10)
XML                             387ms ± 2%        381ms ± 2%   -1.63%  (p=0.005 n=8+8)
LinkCompiler                    784ms ± 4%        778ms ± 2%     ~     (p=0.436 n=10+10)
ExternalLinkCompiler            2.45s ± 1%        2.42s ± 1%   -1.11%  (p=0.001 n=10+9)
LinkWithoutDebugCompiler        374ms ± 3%        366ms ± 2%   -2.15%  (p=0.010 n=10+9)
[Geo mean]                      600ms             583ms        -2.91%

Change-Id: I9552a70d6a2ad500e9acd8815762b761be3c2ff9
Reviewed-on: https://go-review.googlesource.com/c/go/+/432897
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
2022-09-29 20:55:01 +00:00
cuiweixie e3ac2152f2 bufio: use strings.Builder
Change-Id: Ia8d6cea75b32c8839837c1bb1e13cde9b236abdd
Reviewed-on: https://go-review.googlesource.com/c/go/+/435939
Run-TryBot: xie cui <523516579@qq.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2022-09-29 20:47:53 +00:00
cuiweixie 45c2421dc6 archive/zip: use strings.TrimPrefix
Change-Id: I2854b5e7b48c4c189df84cb7281b7b7de780eebd
Reviewed-on: https://go-review.googlesource.com/c/go/+/435938
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2022-09-29 20:45:56 +00:00
cuiweixie 1371efcd69 net/http: remove deadstore statement
Change-Id: Icfa3fd519df48f8d7d7aa3795535fd7e6aaa159f
Reviewed-on: https://go-review.googlesource.com/c/go/+/435936
Reviewed-by: Ian Lance Taylor <iant@google.com>
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2022-09-29 20:43:52 +00:00
cuiweixie 4973c16f3c net: delete unused code
Change-Id: Id4c3a140d9619796aee1ba3214f7d5fce040b4e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/435935
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2022-09-29 20:43:19 +00:00
cuiweixie 879f595f7e net/http: use time.Compare
Change-Id: I4730673130bdfbda9987dcb5869f421082f92150
Reviewed-on: https://go-review.googlesource.com/c/go/+/435615
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2022-09-29 20:42:38 +00:00
Paul E. Murphy 27d4cdd1a6 debug/elf: fix typo in R_PPC64_TPREL34 and R_PPC64_DTPREL34
The suffix should be 34 not 28. I misread the name because the
reloc listed before these two in the ABI is named "R_PC64_PCREL28".

Updates #54345

Change-Id: Ie8238f55e441c787d70ead58e0a177c650f8b89e
Reviewed-on: https://go-review.googlesource.com/c/go/+/435415
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
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2022-09-29 19:54:44 +00:00
Robert Griesemer 545adcfe89 go/types, types2: use "generic" rather than "parameterized" in error messages
Fix a couple of places where we still use "parameterized".

Change-Id: I2c70356d4e363ee709c5ef19ec8786956d5e9001
Reviewed-on: https://go-review.googlesource.com/c/go/+/436815
Reviewed-by: Robert Griesemer <gri@google.com>
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Reviewed-by: Robert Findley <rfindley@google.com>
2022-09-29 19:35:55 +00:00
Bryan C. Mills dd42a84fb3 cmd: add skips as needed to get tests to pass on js/wasm
For #54219.

Change-Id: I9767f46a5b44beeee62a3d53c4de4f6acb6b6e73
Reviewed-on: https://go-review.googlesource.com/c/go/+/436816
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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2022-09-29 19:23:50 +00:00
Bryan C. Mills ce3a5c0d10 os/exec: avoid leaking a process in TestDoubleStartLeavesPipesOpen
Updates #52580.
For #50436.

Change-Id: I0929055ffca1ca429f6ebec7d877f4268bd1fda2
Reviewed-on: https://go-review.googlesource.com/c/go/+/436656
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Reviewed-by: Benny Siegert <bsiegert@gmail.com>
2022-09-29 18:49:15 +00:00
Damien Neil 4a0a2b33df errors, fmt: add support for wrapping multiple errors
An error which implements an "Unwrap() []error" method wraps all the
non-nil errors in the returned []error.

We replace the concept of the "error chain" inspected by errors.Is
and errors.As with the "error tree". Is and As perform a pre-order,
depth-first traversal of an error's tree. As returns the first
matching result, if any.

The new errors.Join function returns an error wrapping a list of errors.

The fmt.Errorf function now supports multiple instances of the %w verb.

For #53435.

Change-Id: Ib7402e70b68e28af8f201d2b66bd8e87ccfb5283
Reviewed-on: https://go-review.googlesource.com/c/go/+/432898
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
2022-09-29 18:40:40 +00:00
Tobias Klauser 36f046d934 cmd/go/internal/lockedfile/internal/filelock: remove unused type token
Change-Id: If815d17851e4e4eac026417b820f15d11939d9cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/436595
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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2022-09-29 18:20:11 +00:00
Russ Cox 2ff5fbfbd4 cmd/compile: limit goroutine count to parallelism
When the compiler crashes, it is not uncommon to see many hundreds
of goroutines all blocked waiting their turn to be one of the nWorkers
goroutines that is allowed to run. All these goroutine stacks are not a
terribly efficient use of memory, and they also make the crash dumps
hard to read.

Introduce a manager goroutine to hand out work to at most nWorker
goroutines, maintaining pending work in a local slice, rather than
having all those blocked goroutines hanging around waiting to run.

Change-Id: I46cb4e1afd6392805f359e14554ebc17d538bcba
Reviewed-on: https://go-review.googlesource.com/c/go/+/431956
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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2022-09-29 16:23:56 +00:00
Than McIntosh 9861e8b2fd cmd/{cover,go}: avoid use of os.PathListSeparator in cmd/cover flag
Rework the mechanism for passing a list of output files from cmd/go to
cmd/cover when running new-style package-scope coverage
instrumentation (-pkgcfg mode). The old scheme passed a single string
with all output files joined together with os.PathListSeparator, but
this scheme is not viable on plan9, where strings containing the
separator character are not permitted when running exec.Command().
Instead, switch cmd/cover to use an arguments file (a file containing
a list of names) to specify names of instrumented output files. This
fixes the cmd/cover test failures on the plan9 builders.

Updates #51430.

Change-Id: I919f5e0a79500e28648fb9177225a9b938e4fdee
Reviewed-on: https://go-review.googlesource.com/c/go/+/436675
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2022-09-29 14:51:21 +00:00
Robert Griesemer e22af33b48 go/types, types2: more concise error messages for cycle errors
If a cycle has length 1, don't enumerate the single cycle entry;
instead just mention "refers to itself". For instance, for an
invalid recursive type T we now report:

	invalid recursive type: T refers to itself

instead of:

	invalid recursive type T
		T refers to
		T

Adjust tests to check for the different error messages.

Change-Id: I5bd46f62fac0cf167f0d0c9a55f952981d294ff4
Reviewed-on: https://go-review.googlesource.com/c/go/+/436295
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Reviewed-by: Robert Findley <rfindley@google.com>
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2022-09-29 14:21:33 +00:00