Fixes#72953
Change-Id: I8a0c8da3f8309841147412a078bc82095a93c5b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/659275
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Reviewed-by: Michael Pratt <mpratt@google.com>
The NetBSD builder has noatime set on its filesystem.
Skip testing the atime on this builder.
Plan9 has second precision on its atime and mtimes.
Truncate the values passed to Chtimes.
For #72957
Change-Id: I963e2dd34075a9ba025e80641f0b675d5d912188
Reviewed-on: https://go-review.googlesource.com/c/go/+/659356
Auto-Submit: Damien Neil <dneil@google.com>
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This reverts the change to Unlinkat done in CL 659415, as it appears
to be wrong.
While at it, let's unify argument formatting for better readability
(and also so those parameters are easier to count).
Change-Id: I092105f85de107e0495afed3cd66c039343250f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/659357
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
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We were calling syscall6 with an incorrect parameter count, omitting
the flags parameter.
Change-Id: Ife606bd57c1e4b899c0340767e9197bbe0aa81a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/659415
Auto-Submit: Damien Neil <dneil@google.com>
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For #67002
Change-Id: I532a5ffc02c7457796540db54fa2f5ddad86e4b2
Reviewed-on: https://go-review.googlesource.com/c/go/+/658995
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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For #67002
Change-Id: I1bbf18838a1dd2281a2b6e56fc8a58ef70007adc
Reviewed-on: https://go-review.googlesource.com/c/go/+/649536
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TestRace runs a collection of tests, some of which are expected
to fail with data races. Make TestRace more robust at detecting
when the test run is cut short, such as when a test causes
an unhandled panic.
Skip TestRaceRangeFuncIterator, which contains an unhandled panic.
This test was causing all subsequent tests to not run.
Skip TestNoRaceRangeFuncIterator, which contains an unexpected data race.
This test was not running due to the above failure.
For #72925
Change-Id: Id662375cc498ea25ae308619709768588bf6a2f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/658875
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Damien Neil <dneil@google.com>
CL 637939 changed ReverseProxy to report errors encountered when
copying data on an hijacked connection. This is generally not useful,
and when using the default error handler results in WriteHeader
being called on a hijacked connection.
While this is harmless with standard net/http ResponseWriter
implementations, it can confuse middleware layers.
Fixes#72954
Change-Id: I21f3d3d515e114dc5c298d7dbc3796c505d3c82f
Reviewed-on: https://go-review.googlesource.com/c/go/+/659255
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
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func f() *[4]int { return nil }
_ = len(f())
should not panic. We evaluate f, but there isn't a dereference
according to the spec (just "arg is evaluated").
Update #72844
Change-Id: Ia32cefc1b7aa091cd1c13016e015842b4d12d5b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/658096
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Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Keith Randall <khr@google.com>
CL 651755 introduced registration of root regions when allocating
memory. We also need to unregister that memory to avoid the leak
sanitizer accessing unmapped memory.
Issue #67833
Change-Id: I5d403d66e65a8a003492f4d79dad22d416fd8574
Reviewed-on: https://go-review.googlesource.com/c/go/+/659135
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Syntactically incorrect branches, such as
BEQ X5, X6, $1
BEQ X5, X6, 31(X10)
cause the assembler to panic, which they shouldn't really do. It's
better for the user to see a normal error, as reported for other
syntax errors in riscv64 assembly. The panics also prevent us
from writing negative tests for these sorts of errors.
Here we fix the issue by ensuring we generate a normal error instead
of panicking when the user provides an invalid branch target. We
also add a couple of negative tests.
Change-Id: I1da568999a75097484b61a01d418f5d4be3e04fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/637316
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
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Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
The riscv64 Go assembler can output certain errors, ones produced by
instructionsForProg, multiple times. These errors are guaranteed to
be output at least twice and can appear three or more times if a
rescan is needed to recompute branch addresses. For example, the
syntactically incorrect instruction
MOV (X10), $1
will generate at least two identical errors
asm: 86076 (asm.s:21524) MOV (X10), $1: unsupported MOV
asm: 86076 (asm.s:21524) MOV (X10), $1: unsupported MOV
asm: assembly failed
In addition to confusing the user, these duplicate errors make it
difficult to write negative tests for certain types of instructions,
e.g., branches, whose duplicate errors are not always identical,
and so not ignored by endtoend_test.go.
We fix the issue by returning from preprocess if any errors have been
generated by the time we reach the end of the rescan loop. One
implication of this change is that validation errors will no longer
be reported if an error is generated earlier in the preprocess stage.
Negative test cases for validation errors are therefore moved to
their own file as the existing riscv64error.s file contains errors
generated by instructionsForProg that will now suppress the
validation errors.
Change-Id: Iffacdbefce28f44970dd5dda44990b822b8a23d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/637315
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Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
https://go.dev/doc/godebug#go-123 documents changes to winsymlink and
winreadlinkvolume in Go 1.23.
This fixes the registered "changed" minor version to Go 1.23,
so that defaults when building a Go 1.22 module are correct.
Fixes#72935
Change-Id: I5d5bf31ca04f9e95208fb0fdaad2232f9db653ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/659035
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For #67002
Change-Id: I9b10ac30f852052c85d6d21eb1752a9de5474346
Reviewed-on: https://go-review.googlesource.com/c/go/+/649515
Auto-Submit: Damien Neil <dneil@google.com>
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Reviewed-by: Kirill Kolyshkin <kolyshkin@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This could bite people during the 1.25 release, so make sure it
has good documentation in the release notes.
Update #72860
Change-Id: Ie9aaa219025a631e81ebc48461555c5fb898f43f
Reviewed-on: https://go-review.googlesource.com/c/go/+/658955
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
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Fixes#72841
Change-Id: I46875c61e3147c69da759bf4bf4f0539cbd4f437
Reviewed-on: https://go-review.googlesource.com/c/go/+/658218
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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TestGoAMD64v1 modifies the binary, which will make the FIPS 140-3
integrity self-check fail. Disable FIPS 140-3 mode when running the
modified binary.
Change-Id: I6a6a46566a38f8c44f996f6e1155dac5f67c56e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/658915
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This change adds extra logging in the case where there's an error
removing all the files in the gomodcache using modfetch.RemoveAll.
It logs the names of the files found in GOMODCACHE as well as their
modes. The modes are included because they should all be writable by the
time we call robustio.RemoveAll.
For #68087
Change-Id: Id9ae68bf6a3392baf88ec002d08fed1faf525927
Reviewed-on: https://go-review.googlesource.com/c/go/+/658816
Reviewed-by: Alan Donovan <adonovan@google.com>
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Auto-Submit: Michael Matloob <matloob@golang.org>
Avoids a race condition: If we set an onClose hook on a conn
created by a listener, then setting the hook can race with
the connection closing.
Change-Id: Ibadead3abbe4335d41f1e2cf84f4696fe98166b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/658655
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Reviewed-by: Jonathan Amsterdam <jba@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
Don't include a monotonic time in time.Times created inside
a bubble, to avoid the confusion of different Times using
different monotonic clock epochs.
For #67434
goos: darwin
goarch: arm64
pkg: time
cpu: Apple M1 Pro
│ /tmp/bench.0 │ /tmp/bench.1 │
│ sec/op │ sec/op vs base │
Since-10 18.42n ± 2% 18.68n ± 1% ~ (p=0.101 n=10)
Until-10 18.28n ± 2% 18.46n ± 2% +0.98% (p=0.009 n=10)
geomean 18.35n 18.57n +1.20%
Change-Id: Iaf1b80d0a4df52139c5b80d4bde4410ef8a49f2f
Reviewed-on: https://go-review.googlesource.com/c/go/+/657415
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Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
This ensures that runtime's signal handlers pass through the TSAN and
MSAN libc interceptors and subsequent calls to the intercepted
sigaction function from C will correctly see them.
Change-Id: I243a70d9dcb6d95a65c8494d5f9f9f09a316c693
Reviewed-on: https://go-review.googlesource.com/c/go/+/654995
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Previously, the code only checked supportedVersions[0] for TLS 1.3
However, Chromium-based
browsers may list TLS 1.3 at different positions, causing ECH failures.
This fix:
Iterates through supportedVersions to accept connections as long as TLS 1.3 is present.
Improves ECH compatibility, ensuring Chrome, Edge, and other browsers work properly.
Fixes#71642
Change-Id: I32f4219fb6654d5cc22c7f33497c6142c0acb4f2
Reviewed-on: https://go-review.googlesource.com/c/go/+/648015
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
The hkdf operations done in hpke are not expected to fail given that
we control the inputs. However, propagating the error instead of
doesn't hurt and makes the code more robust to future changes.
Change-Id: I168854593a40f67e2cc275e0dedc3b24b8f1480e
Reviewed-on: https://go-review.googlesource.com/c/go/+/658475
Reviewed-by: Roland Shoemaker <roland@golang.org>
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The hpke package uses public-facing crypto packages except for hkdf,
which uses crypto/internal/hkdf. We already have a public hkdf package,
crypto/hkdf, so use it instead for consistency.
Change-Id: Icf6afde791234dfe24dbfba715c0891f32005ca2
Reviewed-on: https://go-review.googlesource.com/c/go/+/657556
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: David Chase <drchase@google.com>
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The `go mod tidy` errors have been pointing to an older URL. This CL
fixes the URL by pointing to the correct URL: https://go.dev/ref/mod.
Fixes#49394
Change-Id: I707dda407ba032db8a55083998002a5ab72033e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/633421
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Michael Matloob <matloob@golang.org>
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Go 1.24 included the spinbitmutex GOEXPERIMENT for several popular
architectures, based on their native support an atomic primitive (8-bit
exchange) that aided its efficient implementation.
Move towards making the new mutex implementation permanent, so it fully
replaces the two previous (sema- and futex-based "tristate")
implementations.
For #68578
Change-Id: I888a73959df42eb0ec53875309c446675af8f09d
Reviewed-on: https://go-review.googlesource.com/c/go/+/658455
Reviewed-by: David Chase <drchase@google.com>
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Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
The behavior is described in src/cmd/link/internal/ld/deadcode.go
but is not otherwise documented. Since the usage of those functions
could have significant caveats (longer builds, larger binaries),
we are informing the user.
Change-Id: I87571dd14aa16d7aac59fe45dfc52cb7c5b956c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/658255
Auto-Submit: Ian Lance Taylor <iant@google.com>
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For #71294Fixes#50745
Change-Id: Iff05e98ac860a1764d4c59572f9abc3ae8d9c5fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/658495
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Alan Donovan <adonovan@google.com>
Fixes#28628
Change-Id: I8b68f55f25e62f747d7cc48a490fec7f426f53d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/658115
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
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CL 658035 added TestCgoCallbackPprof, which is consistently failing on
solaris. runtime/pprof maintains a list of platforms where CPU profiling
does not work properly. Since this test requires CPU profiling, skip the
this test on those platforms.
For #72870.
Fixes#72876.
Change-Id: I6a6a636cbf6b16abcbba8771178fe1d001be9d9b
Reviewed-on: https://go-review.googlesource.com/c/go/+/658415
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Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
In the passage about buffered channels, remove redundant words and match
the wording of the earlier passage about unbuffered channels.
Change-Id: I35d8a3bf4f176c3f69cf5e6a64595e5d1c23e3a1
GitHub-Last-Rev: 1c4c9390a174d1a66797a025e2fdb0bf56239f48
GitHub-Pull-Request: golang/go#72891
Reviewed-on: https://go-review.googlesource.com/c/go/+/657778
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
While reviewing CL 657935 I've notied there a
couple tricky reslices that depends on multiple
things being correct.
Might as well fuzz it.
Change-Id: Id78921bcb252e73a8a06e6deb4c920445a87d525
Reviewed-on: https://go-review.googlesource.com/c/go/+/658075
Reviewed-by: David Chase <drchase@google.com>
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Fix#65044
Change-Id: I5bf9c1cf2e9d3ae1e4bbb8f2653512c710db370b
Reviewed-on: https://go-review.googlesource.com/c/go/+/555815
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: David Chase <drchase@google.com>
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For #70602
Change-Id: I3f723ebc17ef690d5be7f4f948c9dd1f890196fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/658095
Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
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Use NEGW to produce a negated and sign extended word, rather than doing
the same via two instructions:
neg t0, t0
sext.w a0, t0
Becomes:
negw t0, t0
Change-Id: I824ab25001bd3304bdbd435e7b244fcc036ef212
Reviewed-on: https://go-review.googlesource.com/c/go/+/652319
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Reviewed-by: Cherry Mui <cherryyz@google.com>
On riscv64, subtraction from a constant is typically implemented as an
ADDI with the negative constant, followed by a negation. However this can
lead to multiple NEG/ADDI/NEG sequences that can be optimised out.
For example, runtime.(*_panic).nextDefer currently contains:
lbu t0, 0(t0)
addi t0, t0, -8
neg t0, t0
addi t0, t0, -7
neg t0, t0
Which is now optimised to:
lbu t0, 0(t0)
addi t0, t0, -1
Change-Id: Idf5815e6db2e3705cc4a4811ca9130a064ae3d80
Reviewed-on: https://go-review.googlesource.com/c/go/+/652318
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
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Reviewed-by: David Chase <drchase@google.com>
Codify the current code generation used on riscv64 in this case.
Change-Id: If4152e3652fc19d0aa28b79dba08abee2486d5ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/652317
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
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Codify the current riscv64 code generation for various subtract from
constant and addition/subtraction tests.
Change-Id: I54ad923280a0578a338bc4431fa5bdc0644c4729
Reviewed-on: https://go-review.googlesource.com/c/go/+/652316
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Tests that exist for riscv64/rva22u64 should also be applied to
riscv64/rva23u64.
Change-Id: Ia529fdf0ac55b8bcb3dcd24fa80efef2351f3842
Reviewed-on: https://go-review.googlesource.com/c/go/+/652315
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: David Chase <drchase@google.com>
This makes the single-byte atomic.Xchg8 operation available on all
GOARCHes, including those without direct / single-instruction support.
Fixes#69735
Change-Id: Icb6aff8f907257db81ea440dc4d29f96b3cff6c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/657936
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This change provides support for -fuzz flag on OpenBSD. According to #46554 the flag was unsupported on some OSes due to lack of proper testing.
Fixes: #60491
Change-Id: I49835131d3ee23f6482583b518b9c5c224fc4efe
GitHub-Last-Rev: f697a3c0f2dc36cc3c96c0336281c5e2440f7a1a
GitHub-Pull-Request: golang/go#60520
Reviewed-on: https://go-review.googlesource.com/c/go/+/499335
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This CL adds `riscv.attributes` related ELF section header
type and program header type according to
[RISC-V ELF Specification](https://github.com/riscv-non-isa/riscv-elf-psabi-doc/releases/download/v1.0/riscv-abi.pdf)
Also an riscv64/linux testcase binary built from:
```
gcc -march=rv64g -no-pie -o gcc-riscv64-linux-exec hello.c
strip gcc-riscv64-linux-exec
```
Fixes#72843
Change-Id: I7710a0516f69141c0efaba71dd997f05b4c88421
Reviewed-on: https://go-review.googlesource.com/c/go/+/657515
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Since c < runeSelf && c >= ' ' (i.e., 32 <= c < 128), using buf = append(buf, byte(c)) instead of buf = append(buf, string(c)...) is a better choice, as it provides better performance.
Change-Id: Ic0ab25c71634a1814267f4d85be2ebd8a3d44676
GitHub-Last-Rev: 5445b547712bbfc77a5c17d76194291c22eb4a05
GitHub-Pull-Request: golang/go#72820
Reviewed-on: https://go-review.googlesource.com/c/go/+/657055
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
