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Commit Graph

59990 Commits

Author SHA1 Message Date
Russ Cox
9c4849bf20 math/rand/v2: add Uint
Uint was part of the approved proposal but was inadvertently left
out of Go 1.22. Add for Go 1.23.

Change-Id: Ifaf24447bd70c8524c2fd299eefdf4aa29e49e66
Reviewed-on: https://go-review.googlesource.com/c/go/+/583455
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
2024-05-07 18:03:11 +00:00
Sam Thanawalla
27ed85d4d1 cmd/go: download 1.X.0 instead of 1.X during toolchain upgrade.
This CL modifies the download behavior when downloading a toolchain for 1.21+. Previously, Go would attempt to download 1.X when upgrading the toolchain which would cause the download to fail for 1.21+ since 1.X is an invalid toolchain. We will attempt to download 1.X.0 since that's likely what the user intended.

Additionally, we will also now provide a better error message when the
user provides a language version instead of a toolchain version for
1.21+.

Fixes #66175
Fixes #62278

Change-Id: I28f894290a19d8e3cd220e9d70aeca8f4447e5a1
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/580217
Reviewed-by: Michael Matloob <matloob@golang.org>
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2024-05-07 17:25:05 +00:00
apocelipes
55a06f7920 reflect: remove redundent ifaceIndir
Use abi.(*Type).IfaceIndir instead.

Change-Id: I31197cbf0edaf53bbb0455fa76d2a4a2ab40b420
GitHub-Last-Rev: 2659b696ef
GitHub-Pull-Request: golang/go#67227
Reviewed-on: https://go-review.googlesource.com/c/go/+/583755
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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2024-05-07 17:08:32 +00:00
apocelipes
c637d4b939 internal/reflectlite: remove redundent ifaceIndir
Use abi.(*Type).IfaceIndir instead.

Change-Id: I55a1a593d76601fb615d131abcf1b32012741e8c
GitHub-Last-Rev: 14de2a9d67
GitHub-Pull-Request: golang/go#67228
Reviewed-on: https://go-review.googlesource.com/c/go/+/583756
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
2024-05-07 17:01:54 +00:00
Roland Shoemaker
348b23830d cmd/go: disallow -lto_library in LDFLAGS
The darwin linker allows setting the LTO library with the -lto_library
flag. This wasn't caught by our "safe linker flags" check because it
was covered by the -lx flag used for linking libraries. This change
adds a specific check for excluded flags which otherwise satisfy our
existing checks.

Loading a mallicious LTO library would allow an attacker to cause the
linker to execute abritrary code when "go build" was called.

Thanks to Juho Forsén of Mattermost for reporting this issue.

Fixes #67119
Fixes CVE-2024-24787

Change-Id: I77ac8585efbdbdfd5f39c39ed623b9408a0f9eaf
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1380
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/583815
Reviewed-by: David Chase <drchase@google.com>
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2024-05-07 15:41:16 +00:00
Sam Thanawalla
38ee0c7630 cmd/go: import vendored packages only listed in modules.txt
Fixes: #60922

Change-Id: I4a18267596441b97c6a701a2befd75ee10644d7d
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
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2024-05-07 15:21:14 +00:00
Jorropo
ad10fbd3c4 image/png: remove go-fuzz test
An identical go1.18 test exists at `src/image/png/fuzz_test.go`.

Change-Id: I3e4db46296fb6a56655f849da8c0689aa5a1c28c
Reviewed-on: https://go-review.googlesource.com/c/go/+/576795
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2024-05-06 22:40:18 +00:00
Cherry Mui
e988d6c423 cmd/cgo/internal/testsanitizers: add test case for #66427
The added program fails consistently with "signal handler spoils
errno" error under TSAN.

For #66427.

Change-Id: Id57b9e62aa30b273a1c793aecd86ec1f211062fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/581722
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2024-05-06 21:14:49 +00:00
Cherry Mui
be003bd00b runtime: don't re-raise ignored signal
If a signal lands on a non-Go thread, and Go code doesn't want to
handle it, currently we re-raise the signal in the signal handler
after uninstalling our handler, so the C code can handle it.

But if there is no C signal handler and the signal is ignored,
there is no need to re-raise the signal. Just ignore it. This
avoids uninstalling and reinstalling our handler, which, for some
reason, changes errno when TSAN is used. And TSAN does not like
errno being changed in the signal handler.

Not really sure if this is the bset of complete fix, but it does
fix the immediate problem, and it seems a reasonable thing to do
by itself.

Test case is CL 581722.

Fixes #66427.

Change-Id: I7a043d53059f1ff4080f4fc8ef4065d76ee7d78a
Reviewed-on: https://go-review.googlesource.com/c/go/+/582077
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2024-05-06 21:13:43 +00:00
Michael Anthony Knyszek
be29a02161 runtime: delete dead code in the tracer
This code was just missed during the cleanup. There's maybe some merit
to keeping OneNewExtraM, but it would still be fairly optimistic. It's
trivial to bring back, so delete it for now.

Change-Id: I2d033c6daae787e0e8d6b92524f3e59610e2599f
Reviewed-on: https://go-review.googlesource.com/c/go/+/583375
Reviewed-by: Carlos Amedee <carlos@golang.org>
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2024-05-06 20:59:12 +00:00
Russ Cox
5a181c5042 iter: expose fundamental types to Go 1.23
These were previously only available with GOEXPERIMENT=rangefunc.

For #61897.

Change-Id: I86aea5ae8be1f7a2975b623325811221ed40d384
Reviewed-on: https://go-review.googlesource.com/c/go/+/557836
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2024-05-06 20:33:25 +00:00
qiulaidongfeng
5122a6796e runtime: parallel run test
This CL reduces
the go test runtime time from 130s to 59s.

Change-Id: I91babcd15723a2e7bc706e4e9bddaf3ce39d5b2f
GitHub-Last-Rev: 54c3c82269
GitHub-Pull-Request: golang/go#65765
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2024-05-06 17:50:18 +00:00
Techassi
9050ce9b33 crypto/x509: include OID in duplicate extension error message
Include the OID in the error message when parsing X.509
certificates. This should ease fixing such issues, because
users can clearly identify the duplicate extension via the
reported error. Previously, this wasn't possible and
required either manually adjusting the standard library or
inspecting the certificate with various debugging tools.

Fixes #66880

Change-Id: I8c22f3a9f9c648ccff66073840830208832a3f85
GitHub-Last-Rev: b855a161d4
GitHub-Pull-Request: golang/go#67157
Reviewed-on: https://go-review.googlesource.com/c/go/+/583096
Reviewed-by: Roland Shoemaker <roland@golang.org>
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2024-05-06 17:39:08 +00:00
khr@golang.org
3c72dd513c cmd/compile: don't combine loads in generated equality functions
... if the architecture can't do unaligned loads.
We already handle this in a few places, but this particular place
was added in CL 399542 and missed this additional restriction.

Fixes #67160

Change-Id: I45988f11ff3ed45df1c4da3f0931ab1fdb22dbfe
Reviewed-on: https://go-review.googlesource.com/c/go/+/583175
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2024-05-06 15:34:04 +00:00
Filippo Valsorda
cc1659916d crypto/internal/mlkem768: various performance optimizations
goos: linux
goarch: amd64
pkg: crypto/internal/mlkem768
cpu: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
                  │  c0a0ba254c  │              2aeb615fa6               │
                  │    sec/op    │   sec/op     vs base                  │
KeyGen-4             73.36µ ± 0%   67.38µ ± 1%   -8.15% (p=0.000 n=20)
Encaps-4            108.96µ ± 0%   99.56µ ± 1%   -8.63% (p=0.000 n=20)
Decaps-4            132.19µ ± 0%   96.85µ ± 0%  -26.74% (p=0.000 n=20)
RoundTrip/Alice-4    216.4µ ± 0%   173.1µ ± 0%  -20.01% (p=0.000 n=20)
RoundTrip/Bob-4      109.5µ ± 0%   100.5µ ± 0%   -8.19% (p=0.000 n=20)

Change-Id: I600116baa0b390bb83950a42c7693cd7806dba9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/578797
Reviewed-by: Roland Shoemaker <roland@golang.org>
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2024-05-06 15:27:18 +00:00
Jes Cok
eabf59bc47 all: make use of stringslite.{HasPrefix, HasSuffix}
Just a code cleanup.

Change-Id: Ie887ab2c71de11b4844c4e6fd4e5aca3265ac3aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/583216
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2024-05-06 14:00:54 +00:00
Jayanth Krishnamurthy
ac174400f4 hash/crc32: improve asm for ppc64SlicingUpdateBy8
Improvements are made in the assembler code which improves  time and
space by 9-10%.
1. ANDCC, followed by SLD is combined and replaced by CLRLSLDI.
2. MOVWZ can use an indexed load and eliminate an ADD instruction in some cases.
	Example: ADD R7,R10,R7 followed by MOVWZ 0(R7),R5 can be replaced with just MOVWZ (R7)(R10),R5.
3. Optimizations for the block after the "short" label includes the same MOVWZ use of indexed load, as well as other improvements.

The gain from code  changes can be seen as follows, generated by
benchstat:

goos: linux
goarch: ppc64le
pkg: hash/crc32
cpu: POWER10
                                     |  oldCrc.out   |  newCrc.out                     	 |
                                     |    sec/op     |   sec/op     vs base            	 |
CRC32/poly=IEEE/size=15/align=0-12      50.19n ±  1%   39.85n ± 0%  -20.59% (p=0.002 n=6)
CRC32/poly=IEEE/size=15/align=1-12      50.18n ±  1%   39.87n ± 0%  -20.54% (p=0.002 n=6)
CRC32/poly=IEEE/size=40/align=0-12      40.25n ±  0%   36.95n ± 0%   -8.19% (p=0.002 n=6)
CRC32/poly=IEEE/size=40/align=1-12      40.31n ±  0%   36.95n ± 0%   -8.36% (p=0.002 n=6)
CRC32/poly=IEEE/size=512/align=0-12     38.03n ±  0%   38.17n ± 0%   +0.37% (p=0.002 n=6)
CRC32/poly=IEEE/size=512/align=1-12     89.19n ±  1%   73.65n ± 0%  -17.43% (p=0.002 n=6)
CRC32/poly=IEEE/size=1kB/align=0-12     50.73n ±  7%   50.14n ± 0%   -1.18% (p=0.002 n=6)
CRC32/poly=IEEE/size=1kB/align=1-12    101.00n ± 37%   81.58n ± 0%  -19.23% (p=0.002 n=6)
CRC32/poly=IEEE/size=4kB/align=0-12     98.30n ± 45%   93.05n ± 0%   -5.34% (p=0.043 n=6)
CRC32/poly=IEEE/size=4kB/align=1-12     140.8n ±  0%   125.8n ± 0%  -10.65% (p=0.002 n=6)
CRC32/poly=IEEE/size=32kB/align=0-12    525.8n ±  0%   528.5n ± 0%   +0.52% (p=0.011 n=6)
CRC32/poly=IEEE/size=32kB/align=1-12    584.4n ±  1%   576.3n ± 0%   -1.39% (p=0.002 n=6)
geomean                                 90.51n         81.74n        -9.69%

	                             |    oldCrc.out |    newCrc.out           		  |
                                     |      B/s      |     B/s       vs base    	  |
CRC32/poly=IEEE/size=15/align=0-12     285.0Mi ±  1%    359.0Mi ± 0%  +25.94% (p=0.002 n=6)
CRC32/poly=IEEE/size=15/align=1-12     285.1Mi ±  1%    358.8Mi ± 0%  +25.86% (p=0.002 n=6)
CRC32/poly=IEEE/size=40/align=0-12     947.8Mi ±  0%   1032.3Mi ± 0%   +8.91% (p=0.002 n=6)
CRC32/poly=IEEE/size=40/align=1-12     946.2Mi ±  0%   1032.5Mi ± 0%   +9.12% (p=0.002 n=6)
CRC32/poly=IEEE/size=512/align=0-12    12.54Gi ±  0%    12.49Gi ± 0%   -0.37% (p=0.002 n=6)
CRC32/poly=IEEE/size=512/align=1-12    5.346Gi ±  1%    6.475Gi ± 0%  +21.12% (p=0.002 n=6)
CRC32/poly=IEEE/size=1kB/align=0-12    18.80Gi ±  7%    19.02Gi ± 0%   +1.20% (p=0.002 n=6)
CRC32/poly=IEEE/size=1kB/align=1-12    9.454Gi ± 27%   11.690Gi ± 0%  +23.66% (p=0.002 n=6)
CRC32/poly=IEEE/size=4kB/align=0-12    38.86Gi ± 31%    41.00Gi ± 0%   +5.49% (p=0.041 n=6)
CRC32/poly=IEEE/size=4kB/align=1-12    27.10Gi ±  0%    30.32Gi ± 0%  +11.89% (p=0.002 n=6)
CRC32/poly=IEEE/size=32kB/align=0-12   58.05Gi ±  0%    57.74Gi ± 0%   -0.53% (p=0.009 n=6)
CRC32/poly=IEEE/size=32kB/align=1-12   52.22Gi ±  1%    52.95Gi ± 0%   +1.41% (p=0.002 n=6)
geomean                                6.074Gi          6.724Gi       +10.70%

Change-Id: I378c0e84e798656384a8009f4ac48b51614489b2
Cq-Include-Trybots: luci.golang.try:gotip-linux-ppc64_power10,gotip-linux-ppc64_power8,gotip-linux-ppc64le_power8,gotip-linux-ppc64le_power9,gotip-linux-ppc64le_power10
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2024-05-06 12:09:50 +00:00
Mauri de Souza Meneguzzo
ff0bc4669e runtime: add crash stack support for mips/mipsle
Change-Id: Ic6fcdfb6a9a912a9b1dd268836d2e5ab44d80440
GitHub-Last-Rev: dab6ecc066
GitHub-Pull-Request: golang/go#65305
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2024-05-06 11:46:29 +00:00
apocelipes
619b419a4b os: use stringslite.TrimSuffix
Change-Id: Ie51a1550181c9478455c757fc82a88bc549ad687
GitHub-Last-Rev: 4b6ffd043b
GitHub-Pull-Request: golang/go#67153
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2024-05-05 00:26:04 +00:00
qiulaidongfeng
c3dff93a8c strconv: use stringslite.Clone
Change-Id: Ifa3c022ad5453301573593a3d05e7b1d42b931ff
GitHub-Last-Rev: a7468b068b
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qiulaidongfeng
a80543a987 time: use stringslite.Clone
Change-Id: I82f0e7c0c0c80a3cc0e4a732a59ae1debb37d8d9
GitHub-Last-Rev: c8a081f5b3
GitHub-Pull-Request: golang/go#67166
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qiulaidongfeng
4dccb78582 unique: use stringslite.Clone
Change-Id: Icb1ba7df1f0414090632e663b6a92b492546070d
GitHub-Last-Rev: 5169d26813
GitHub-Pull-Request: golang/go#67092
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2024-05-05 00:24:21 +00:00
Joel Sing
20130cc36a syscall: remove references to SYS_syscall on openbsd
OpenBSD 7.5 no longer has a syscall symbol in libc. This will
typically result in external linking failures since the syscall
package still has a reference to an undefined `syscall' symbol.
Remove these references and return ENOSYS if syscall.Syscall* or
syscall.RawSyscall* are used for a system call number that does not
currently have an internal remapping.

Fixes #63900

Change-Id: Ic757bf8872ad98a92dd5b34cf58312c32fbc9a96
Reviewed-on: https://go-review.googlesource.com/c/go/+/582257
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2024-05-04 07:51:20 +00:00
Joel Sing
8841f50d98 syscall: reroute SYS_IOCTL and SYS_SYSCTL on openbsd
OpenBSD 7.5 no longer supports indirect syscalls. A number of Go
packages make use of syscall.Syscall with SYS_IOCTL or SYS_SYSCTL,
since neither is well supported by golang.org/x/sys/unix. Reroute
calls with either of these system call numbers to the respective
libc stub so that they continue to work.

Updates #63900

Change-Id: I3323a3fa311ee9227e6220417834253763866881
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2024-05-04 07:50:55 +00:00
Joel Sing
17fce63239 cmd/dist,internal/platform: temporarily disable race detector on openbsd/amd64
Unfortunately, LLVM TSAN decided to remove OpenBSD support, which
means that the syso files cannot currently be regenerated (see #52090).
The race_openbsd.syso contains a reference to the syscall symbol,
which has been removed from OpenBSD's libc in 7.5. As such, this
means that the race detector no longer works on openbsd/amd64 (at
least until LLVM TSAN support is reinstated for OpenBSD).

Updates #63900

Change-Id: I3474fc43a94e5197815862b7dc420b71d5e08815
Reviewed-on: https://go-review.googlesource.com/c/go/+/582255
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2024-05-04 07:50:22 +00:00
qiulaidongfeng
ae6af9b3d8 strings: move Clone to stringslite
Follow-up CL help package like unique use Clone.

Change-Id: Ie64adf7e1a331f47c3cfe178c368d72fc72493ff
GitHub-Last-Rev: 499476cc4a
GitHub-Pull-Request: golang/go#67106
Reviewed-on: https://go-review.googlesource.com/c/go/+/581956
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2024-05-04 01:23:42 +00:00
Paul E. Murphy
7994da4cc1 cmd/compile/internal/ssa: on PPC64, try combining CLRLSLDI and SRDconst into RLWINM
This provides a small performance bump to crc64 as measured on ppc64le/power10:

name              old time/op    new time/op    delta
Crc64/ISO64KB       49.6µs ± 0%    46.6µs ± 0%  -6.18%
Crc64/ISO4KB        3.16µs ± 0%    2.97µs ± 0%  -5.83%
Crc64/ISO1KB         840ns ± 0%     794ns ± 0%  -5.46%
Crc64/ECMA64KB      49.6µs ± 0%    46.5µs ± 0%  -6.20%
Crc64/Random64KB    53.1µs ± 0%    49.9µs ± 0%  -6.04%
Crc64/Random16KB    15.9µs ± 1%    15.0µs ± 0%  -5.73%

Change-Id: I302b5431c7dc46dfd2d211545c483bdcdfe011f1
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Reviewed-on: https://go-review.googlesource.com/c/go/+/581937
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2024-05-03 21:12:29 +00:00
Michael Matloob
99fc317948 cmd/go: add flag values to counter for buildmode
Usually, when we increment counters for flags, the counter only contains
the flag name. For the buildmode flag, we now include the flag value
because there's a limited set of values.

We can't use CountFlags directly anymore since we have different
behavior for buildmode.

Change-Id: I956a1a97d62850df3199b5514ad507ea51355c9f
Reviewed-on: https://go-review.googlesource.com/c/go/+/582896
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2024-05-03 19:05:42 +00:00
Michael Matloob
23f760fd58 cmd/go: remove checks that all counters incremented are in counters.txt
This change removes cmd/go/testdata/counters.txt. It also removes the
code that prepares it and checks that it contains all registered
counters as well as counters for all flags and subcommands. It removes
the counter registration mechanism, and uses telemetry.NewCounter to
create new counters instead. It keeps the tests that check that at least
one counter is incremented if the go command is invoked in a script test.

Change-Id: Ic6bda5c64e90f0dd7e221968fce0e375e84d6e17
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2024-05-03 18:15:22 +00:00
Russ Cox
7b5206bdf3 internal/bisect: use f.Function instead of f.Func.Name in stack trace
For inlined frames f.Func is nil and f.Func.Name is an empty string.
f.Function is correct all the time.

Change-Id: I7c30f80e7176128ae5576b130d2891f884ee47c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/581996
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2024-05-03 17:28:43 +00:00
apocelipes
10c035acd6 strings: move TrimPrefix and TrimSuffix to stringslite
To help packages use these functions like "os" which using
the copied function "stringsTrimSuffix".

Change-Id: I223028ed264c7b7e95534b4883223af0988cda68
GitHub-Last-Rev: 2fd8fbf528
GitHub-Pull-Request: golang/go#67151
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2024-05-03 16:48:16 +00:00
Tobias Klauser
0bc093a1aa internal/sysinfo: use sync.OnceValue for CPUName
Change-Id: I0f3ae97f2bd5ff3f533c5bf4570a8cda8b92b16a
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2024-05-03 16:47:15 +00:00
qiulaidongfeng
44e48c7e6c hash/maphash: parallel run test
This is a reapplication of CL 564576.

This reduces the go test hash/maphash time
by more than half.

After investigation it was confirmed that
the original CL would cause OOM when 32-bit machine.

This CL add testenv.ParallelOn64Bit for tests
that can be parallel on 64-bit machines,
it is not parallel on 32-bit machines,
because CL 564995 require the same API.

Change-Id: I1b7feaa07716cb3f55db4671653348fabf2396b0
GitHub-Last-Rev: 2827725558
GitHub-Pull-Request: golang/go#66359
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2024-05-03 16:41:38 +00:00
zhangjian
18dd682672 cmd/compile/internal/ssa: correct error message for AuxArm64BitField
Change-Id: I2e1f48c02cb5c6e90a9cb894eb3bc330a4c5c4b5
GitHub-Last-Rev: 303d1f8a13
GitHub-Pull-Request: golang/go#67124
Reviewed-on: https://go-review.googlesource.com/c/go/+/582615
Reviewed-by: Keith Randall <khr@google.com>
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2024-05-03 16:40:22 +00:00
go101
44b54b99c9 strings,bytes: improve Repeat panic messages
The Repeat("-", maxInt) call should produce

   panic: runtime error: makeslice: len out of range

instead of

   panic: strings: Repeat output length overflow

This PR is only for theory perfection.

Change-Id: If67d87b147d666fbbb7238656f2a0cb6cf1dbb5b
GitHub-Last-Rev: 29dc0cb9c9
GitHub-Pull-Request: golang/go#67068
Reviewed-on: https://go-review.googlesource.com/c/go/+/581936
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2024-05-03 12:58:37 +00:00
qiulaidongfeng
2f5b420fb5 runtime,reflect: move zeroVal to internal/abi
Change-Id: I0e19e4aa2ea47a714e27b8d66c23c449e27861f2
GitHub-Last-Rev: 2d59b9589e
GitHub-Pull-Request: golang/go#67014
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2024-05-03 12:00:41 +00:00
Alan Donovan
a3eb55cea9 cmd/vendor: update x/tools to v0.20.1-0.20240429173604-74c9cfe4d22f
The golang.org/x/tools/go/analysis/passes/stdversion was forcibly
added by means of an import in a throwaway file not committed.

Change-Id: I194012ae354f6f8d2d0c1fa39612e5554a4ab1cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/582555
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2024-05-03 02:38:00 +00:00
Alan Donovan
6defff5005 cmd/vet: add stdversion analyzer
+ release note, test

Fixes #46136

Change-Id: Ib157c5343dde379f8d6f67bdfa64b3f6a6432bab
Reviewed-on: https://go-review.googlesource.com/c/go/+/582556
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2024-05-03 01:02:40 +00:00
Olivier Mengué
344075d936 spec: clarify when range expression is evaluated
Clarify that the range expression of a "for" loop is called *just* once to
rule out that it might be re-evaluated after each iteration.

Change-Id: Iedb61cd29e5238ac0168b8ac01c34d6208cc4312
Reviewed-on: https://go-review.googlesource.com/c/go/+/582775
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2024-05-02 22:43:51 +00:00
Ian Lance Taylor
e602625c5e cmd/go: pass -Wl,-z,nodelete for c-shared mode with gccgo
This is the gccgo version of CL 15605.

For https://gcc.gnu.org/PR114699

For #11100
For #12582
For #12873

Change-Id: I30e23130737022d772971f0bd629b57269174886
Reviewed-on: https://go-review.googlesource.com/c/go/+/582975
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2024-05-02 22:18:34 +00:00
Tobias Klauser
b64e5e38ab net: use stringslite.HasPrefix
Change-Id: Ib14c70f580d0891b3fbedf9e4cde93077409d4e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/582915
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2024-05-02 22:14:43 +00:00
Russ Cox
8f71c7633f runtime: remove note about goid reuse
Goids are designed to be big enough that they will never be reused:
a uint64 is enough to generate a new goroutine every nanosecond
for 500+ years before wrapping around, and after 500 years you
should probably stop and pick up some security updates.

This note was added in CL 70993 and appears to have just been
a misunderstanding by the CL author.

Change-Id: Ida7099b5191a4e5dbb1e3e9e44b4b86d7779fd6d
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2024-05-02 21:10:56 +00:00
Jorropo
865cf5c5f6 testing: improve the documentation around b.N
Fixes #67137

- Make it clear the benchmark function is called multiple times.
- Demonstrate range over int.

Change-Id: I7e993d938b0351012cdd4aed8528951e0ad406ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/582835
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2024-05-02 18:41:57 +00:00
Michael Matloob
660a071906 cmd/internal/telemetry: add NewStackCounter functions
This CL adds a wrapper for the golang.org/x/telemetry/counter.NewStack
function so that it can be used by the compiler.

Also add build constraints for compiler_bootstrap to build the stubs
when we're bootstrapping the compiler.

For #58894

Change-Id: Icdbdd7aa6d2a3f1147112739c6939e14414f5ee9
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2024-05-01 17:37:58 +00:00
cui fliter
c5698e3155 cmd/pprof: fix exception when file or path contains colon
Fixes #63924

Change-Id: I4ea17979faaca04eb6b046abffca2dd77397e0cb
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2024-05-01 03:56:37 +00:00
Daniel Martí
959e65c41c bytes: fix up godoc link errors
[Reader.Reader] does not exist in this package.
These docs most likely meant to refer to [Reader] itself.

Change-Id: I4fa117e8541573e0be7c13751fdfc102d5f2d604
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2024-04-30 19:45:36 +00:00
Jonathan Amsterdam
cf05873029 net/http: represent multi wildcards properly
The routing tree used for matching ServeMux patterns used the
key "*" to hold a child node for a multi-segment wildcard.
The problem is that "*" is a valid path segment, which confused
the matching algorithm: it would fetch the multi wildcard child
when looking for the literal child for "*".

Eschew clever encodings. Use a separate field in the node to
represent the multi wildcard child.

Fixes #67067.

Change-Id: I300ca08b8628f5367626cf41979f6c238ed8c831
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2024-04-30 15:43:24 +00:00
qmuntal
8509f6939c os: use filepathlite.FromSlash
Change-Id: Id15ebd9e97a8626e64665f6830a662e62432a619
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2024-04-30 15:38:38 +00:00
qmuntal
5616ab6025 os: use filepathlite.VolumeName
It is better to have a single implementation of VolumeName, which is
quite tricky to get right on Windows.

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2024-04-30 15:38:09 +00:00
qmuntal
d95fa7aca7 os: use filepathlite.IsAbs
It is better to have a single implementation of IsAbs, which is quite
tricky to get right on Windows.

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2024-04-30 15:37:05 +00:00