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Change-Id: I156873d216ccb7d91e716b4348069df246b527b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/464496
Run-TryBot: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
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func literal handling
Fix a coding error in coverage meta-data decoding in the method
decodemeta.CoverageMetaDataDecoder.ReadFunc. The code was not
unconditionally assigning the "function literal" field of the
coverage.FuncDesc object passed in, resulting in bad values depending
on what the state of the field happened to be in the object.
Fixes #57942.
Change-Id: I6dfd7d7f7af6004f05c622f9a7116e9f6018cf4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/462955
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
(cherry picked from commit 620399ef0d1390a8f7e7061a45d5304ed087889a)
Reviewed-on: https://go-review.googlesource.com/c/go/+/463418
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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in test report helper
When walking through the set of coverage data files generated from a
"go test -cover" run, it's possible to encounter pods (clumps of data
files) that were generated by a run from an instrumented Go tool (for
example, cmd/compile). Add a guard to the test reporting code to
ensure that it only processes files created by the currently running
test.
Fixes #57924.
Change-Id: I1bb7dce88305e1088162e3cb1df628486ecee1c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/462756
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
(cherry picked from commit cf70d37967b8447af8305e02ef534c4c5f42d49c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/463417
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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Swap/CompareAnd{Swap,Delete} in Map
CL 381316 documented the memory model of Map's APIs. However, the newly
introduced Swap, CompareAndSwap, and CompareAndDelete are missing from
this documentation as CL 399094 did not add this info.
This CL specifies the defined read/write operations of the new Map APIs.
For #51972
Change-Id: I519a04040a0b429a3f978823a183cd62e42c90ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/459715
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Changkun Ou <mail@changkun.de>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
(cherry picked from commit f07910bd577f73b81e4f7117c7cfdf9cf7579028)
Reviewed-on: https://go-review.googlesource.com/c/go/+/463416
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Changkun Ou <mail@changkun.de>
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operation"
This reverts commit 3680b5e9c4f42fcf9155aa42b3b344d1fbe19571.
Reason for revert: causes long compile times on certain functions. See issue #57959
Change-Id: Ie9e881ca8abbc79a46de2bfeaed0b9d6c416ed42
Reviewed-on: https://go-review.googlesource.com/c/go/+/463295
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
(cherry picked from commit a6ddb15f8f5955d93eeb2f674ec564ffd4530c18)
Reviewed-on: https://go-review.googlesource.com/c/go/+/463415
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Reviewed-by: Keith Randall <khr@google.com>
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CL 444277 fixed Time.UnmarshalText and Time.UnmarshalJSON to properly
unmarshal timestamps according to RFC 3339 instead of according
to Go's bespoke time syntax that is a superset of RFC 3339.
However, this change seems to have broken an AWS S3 unit test
that relies on parsing timestamps with single digit hours.
It is unclear whether S3 emits these timestamps in production or
whether this is simply a testing artifact that has been cargo culted
across many code bases. Either way, disable strict parsing for now
and re-enable later with better GODEBUG support.
Updates #54580
Change-Id: Icced2c7f9a6b2fc06bbd9c7e90f90edce24c2306
Reviewed-on: https://go-review.googlesource.com/c/go/+/462286
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
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Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/462675
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Import x/tools as of CL 462596 (070db2996ebe, Jan 18 2022),
to bring in two vet analysis fixes (printf and loopclosure).
For #57911.
Fixes #57903.
Fixes #57904.
Change-Id: I82fe4e9bd56fb8e64394ee8618c155316942a517
Reviewed-on: https://go-review.googlesource.com/c/go/+/462555
Reviewed-by: Bryan Mills <bcmills@google.com>
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escape analysis memory corruption
Updates #57823
Updates #57854
Change-Id: I54654d3ecb20b75afa9052c5c9db2072a86188d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/461759
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Reviewed-on: https://go-review.googlesource.com/c/go/+/461760
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node fields
Unified IR added several new IR fields for holding *runtime._type
expressions. To avoid throwing off any frontend semantics
(particularly inlining cost heuristics), they were marked as
`mknode:"-"` so that code wouldn't visit them.
Unfortunately, this has a bad interaction with the static init
inlining optimization, because the latter relies on ir.EditChildren to
substitute all parameters. This potentially includes dictionary
parameters, which can appear within the new RType fields.
This CL adds a new ir.EditChildrenWithHidden function that also edits
these fields, and switches staticinit to use it. Longer term, we
should unhide the RType fields so that ir.EditChildren visits them
normally, but that's scarier so late in the release cycle.
Updates #57778.
Updates #57854.
Change-Id: I98c1e8cf366156dc0c81a0cb79029cc5e59c476f
Reviewed-on: https://go-review.googlesource.com/c/go/+/461686
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
(cherry picked from commit 9f2fbedf010d59c3ecaa8c25b07a5f68fcb2e3d5)
Reviewed-on: https://go-review.googlesource.com/c/go/+/462535
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Merge List:
+ 2023-01-17 9088c691da cmd/compile: ensure temp register mask isn't empty
+ 2023-01-17 c0799f7015 os: document that Rename is not atomic on non-Unix platforms
+ 2023-01-17 d74c31f0ba doc/go1.20: update cryptography release notes
+ 2023-01-17 8e19929436 strings: remove redundant symbols
+ 2023-01-17 6cb8c43b84 cmd/go: include coverage build flags for "go list"
+ 2023-01-17 02ed0e5e67 crypto/ed25519: improve Ed25519ctx docs and add example
+ 2023-01-17 f375b305c8 crypto/x509: clarify that CheckSignatureFrom and CheckSignature are low-level APIs
+ 2023-01-17 8409251e10 cmd/go: document GODEBUG=installgoroot=all
+ 2023-01-17 66689c7d46 doc/go1.20: remove mention of arena goexperiment
+ 2023-01-17 145dd38471 archive/tar, archive/zip: document ErrInsecurePath and GODEBUG setting
+ 2023-01-16 1c65b69bd1 runtime: fix performance regression in morestack_noctxt on ppc64
+ 2023-01-13 ebb572d82f Revert "internal/fsys: follow root symlink in fsys.Walk"
+ 2023-01-13 16cec4e7a0 doc/go1.20: mention build speed improvements
+ 2023-01-13 643f463186 cmd/cover: remove go.mod from testdata subdir
Change-Id: I4d56c9353d423f7e7169db7e30cb59515d422a56
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We need to avoid nospill registers at this point in regalloc.
Make sure that we don't restrict our register set to avoid registers
desired by other instructions, if the resulting set includes only
nospill registers.
Fixes #57846
Change-Id: I05478e4513c484755dc2e8621d73dac868e45a27
Reviewed-on: https://go-review.googlesource.com/c/go/+/461685
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Windows provides no reliable way to rename files atomically.
The Plan 9 implementation of os.Rename performs a deletion
if the target exists.
Change-Id: Ife5f9c97b21f48c11e300cd76d8c7f715db09fd4
Reviewed-on: https://go-review.googlesource.com/c/go/+/462395
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: I5d6d2bd5cbb246ea514e5adbe936fb31b92904af
Reviewed-on: https://go-review.googlesource.com/c/go/+/459978
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Change-Id: Ie3fe0274288d6cb6303acdcec1340c480e5c0b20
GitHub-Last-Rev: ce9d44619e970b1319fbccf3aace1ddf719bcec1
GitHub-Pull-Request: golang/go#57848
Reviewed-on: https://go-review.googlesource.com/c/go/+/462277
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
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This patch ensures that the go command's "list" subcommand accepts
coverage-related build options, which were incorrectly left out when
"go build -cover" was rolled out. This is needed in order to do things
like check the staleness of an installed cover-instrumented target.
Fixes #57785.
Change-Id: I140732ff1e6b83cd9c453701bb8199b333fc0f2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/462116
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
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Change-Id: Ic215a90d1e1daa5805dbab1dc56480281e53b341
Reviewed-on: https://go-review.googlesource.com/c/go/+/459975
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
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low-level APIs
In particular, CheckSignatureFrom just can't check the path length
limit, because it might be enforced above the parent.
We don't need to document the supported signature algorithms for
CheckSignatureFrom, since we document at the constants in what contexts
they are allowed and not. That does leave CheckSignature ambiguous,
though, because that function doesn't have an explicit context.
Change-Id: I4c107440a93f60bc0de07df2b7efeb1a4a766da0
Reviewed-on: https://go-review.googlesource.com/c/go/+/460537
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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At the moment the only documentation is the release notes,
but everything mentioned in the release notes should have
proper documentation separate from them.
Change-Id: I9885962f6c6d947039b0be59b608385781479271
Reviewed-on: https://go-review.googlesource.com/c/go/+/462196
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The arena goexperiment contains code used inside Google in very
limited use cases that we will maintain, but the discussion on #51317
identified serious problems with the very idea of adding arenas to the
standard library. In particular the concept tends to infect many other
APIs in the name of efficiency, a bit like sync.Pool except more
publicly visible.
It is unclear when, if ever, we will pick up the idea and try to push
it forward into a public API, but it's not going to happen any time
soon, and we don't want users to start depending on it: it's a true
experiment and may be changed or deleted without warning.
The arena text in the release notes makes them seem more official
and supported than they really are, and we've already seen a couple
blog posts based on that erroneous belief. Delete the text to try to
set expectations better.
Change-Id: I4f6e328ac470a9cd410f5f722d0769ef62d5e5ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/462355
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Reviewed-by: Eli Bendersky <eliben@google.com>
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These are mentioned in the release notes but not the actual doc comments.
Nothing should exist only in release notes.
Change-Id: I8d10f25a2c9b2677231929ba3f393af9034b777b
Reviewed-on: https://go-review.googlesource.com/c/go/+/462195
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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In the fix for 54332 the MOVD R1, R1 instruction was added to
morestack_noctxt function to set the SPWRITE bit. However, the
instruction MOVD R1, R1 results in or r1,r1,r1 which is a special
instruction on ppc64 architecture as it changes the thread priority
and can negatively impact performance in some cases.
More details on such similar nops can be found in Power ISA v3.1
Book II on Power ISA Virtual Environment architecture in the chapter
on Program Priority Registers and Or instructions.
Replacing this by OR R0, R1 has the same affect on setting SPWRITE as
needed by the first fix but does not affect thread priority and
hence does not cause the degradation in performance
Hash65536-64 2.81GB/s ±10% 16.69GB/s ± 0% +494.44%
Fixes #57741
Change-Id: Ib912e3716c6afd277994d6c1c5b2891f82225d50
Reviewed-on: https://go-review.googlesource.com/c/go/+/461597
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
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This reverts CL 448360 and adds a regression test for #57754.
Reason for revert: broke 'go list' in Debian's distribution of the Go toolchain
Fixes #57754.
Updates #50807.
Change-Id: I3e8b9126294c55f21572774b549fb28f29eded0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/461959
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For #49569.
For #54202.
Change-Id: Iac45338bc4e45617e8ac7425076cf4cd0af157a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/461957
TryBot-Bypass: Austin Clements <austin@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Remove a superfluous go.mod file in one of the testdata subdirs; test
runs ok without it, no need for it to be there (can confuse tooling).
Change-Id: I3c43dd8ca557fdd32ce2f84cdb2427326a2dd35e
Reviewed-on: https://go-review.googlesource.com/c/go/+/461945
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Reviewed-by: Michael Pratt <mpratt@google.com>
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Change-Id: I87007947c075e8b90dd74bdf164b59e81487f6de
Reviewed-on: https://go-review.googlesource.com/c/go/+/461836
Reviewed-by: Heschi Kreinick <heschi@google.com>
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Merge List:
+ 2023-01-11 245e95dfab go/types, types2: don't look up fields or methods when expecting a type
+ 2023-01-11 18625d9bec runtime: fix incorrect comment
+ 2023-01-11 6ad27161f8 cmd/compile: better error message for when a type is in a constraint but not the type set
+ 2023-01-10 76d39ae349 cmd/link, runtime: Apple libc atfork workaround take 3
+ 2023-01-10 0a0de0fc42 runtime: revert use of __fork to work around Apple atfork bugs
+ 2023-01-10 82f09b75ca os/exec: avoid leaking an exec.Cmd in TestWaitInterrupt
+ 2023-01-09 0202ad0b3a cmd/compile: prevent IsNewObject from taking quadratic time
+ 2023-01-09 64519baf38 cmd/compile/internal/pgo: add hint to missing start_line error
+ 2023-01-09 376076f3c6 runtime: skip TestCgoPprofCallback in short mode, don't run in parallel
+ 2023-01-09 0bbd67e52f runtime/pprof: document possibility of empty stacks
+ 2023-01-09 d9f23cfe78 runtime/pprof: improve output of TestLabelSystemstack
+ 2023-01-09 8232a09e3e sync/atomic: fix the note of atomic.Store
+ 2023-01-09 841c3eb166 all: fix typos in go file comments
+ 2023-01-06 f721fa3be9 syscall: skip TestUseCgroupFD if cgroupfs not mounted
+ 2023-01-06 76ec919237 net: fix typo in hosts.go
+ 2023-01-06 660d4815ea cmd/compile: describe how Go maps to wasm implementation
+ 2023-01-05 119f679a3b crypto/tls: fix typo in cacheEntry godoc
+ 2023-01-05 d50ea217f6 cmd/cover: fix problems with "go test -covermode=atomic sync/atomic"
+ 2023-01-04 bae7d772e8 doc/go1.20: fix links to new strings functions
+ 2023-01-04 4e7c838483 crypto/internal/boring: add dev.boringcrypto README.md text
+ 2023-01-04 46e3d9d12a cmd/compile: use "satisfies" (not "implements") for constraint errors
+ 2023-01-04 79cdecc852 cmd/gofmt: fix a typo in a comment
+ 2023-01-03 9955a7e9bb README.vendor: minor updates
+ 2023-01-03 d03231d9ce doc/go1.20: fix http.ResponseController example
+ 2023-01-03 cdc73f0679 .github: suggest using private browsing in pkgsite template
Change-Id: I73be496aa4163ad1d3a6cc8114f1a612968d4b10
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As we have seen many times, the type checker must be careful to avoid
accessing named type information before the type is fully set up. We
need a more systematic solution to this problem, but for now avoid one
case that causes a crash: checking a selector expression on an
incomplete type when a type expression is expected.
For golang/go#57522
Change-Id: I7ed31b859cca263276e3a0647d1f1b49670023a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/461577
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Fix incorrect comment for the runtime package.
Change-Id: Iab889eff0e9c622afbed959d32b8b5f0ed0bfebf
GitHub-Last-Rev: e9587868db36d9dd466f52f7ffc5de09947a6b2f
GitHub-Pull-Request: golang/go#57731
Reviewed-on: https://go-review.googlesource.com/c/go/+/461498
Reviewed-by: Keith Randall <khr@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
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the type set
While at it, also remove the word "constraint" in the detail explanation
of an unsatisfied constraint.
Fixes #57500.
Change-Id: I55dae1694de2cfdb434aeba9d4a3530af7aca8f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/460455
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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CL 451735 worked around bugs in Apple's atfork handlers by calling
notify_is_valid_token and xpc_atfork_child at startup, so that init
code that wouldn't be safe in the child process would be warmed up in
the parent process instead, but xpc_atfork_child broke use of the xpc
library in Go programs, and xpc is internally used by various macOS
frameworks (#57263).
CL 459175 reverted that change, and then CL 459176 tried a new
approach: use __fork, which doesn't call any of the atfork handlers at all.
That worked, but an Apple engineer reviewing the change in private
email suggests that since __fork is not public API, it should be avoided.
The same engineer (with access to the source code for the xpc library)
suggests that the breakage in #57263 is caused by xpc_atfork_child
marking the library as unusable, expecting an imminent call to exec,
and that calling xpc_date_create_from_current instead would do the
necessary initialization without marking xpc as unusable.
CL 460475 reverted that change, to prepare for this one.
This CL goes back to the original “call functions to warm things up”
approach, replacing xpc_atfork_child with xpc_date_create_from_current.
The CL also updates cmd/link to use OS and SDK version 10.13.0 for
x86 macOS binaries, up from 10.9.0, also suggested by the Apple engineer.
Combined with the two warmup calls, this makes the fork hangs go away.
The minimum macOS version has been 10.13 High Sierra since Go 1.17,
so there should be no problem with writing that in the binaries too.
Fixes #33565.
Fixes #56784.
Fixes #57263.
Fixes #57577.
Change-Id: I20769d9daa1fe9ea930f8009481335f8a14dc21b
Reviewed-on: https://go-review.googlesource.com/c/go/+/460476
Auto-Submit: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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An Apple engineer suggests that since __fork is not public API,
it would be better to use a different fix. With the benefit of source code,
they suggest using xpc_date_create_from_current instead of
xpc_atfork_child. The latter sets some flags that disable certain
functionality for the remainder of the process lifetime (expecting exec),
while the former should do the necessary setup.
Reverting the __fork fix in order to prepare a clean fix based
on CL 451735 using xpc_date_create_from_current.
This reverts commit c61d322d5f9e3fcffa4c523892af432dca030c12.
Change-Id: I2da293ff537237ffd2d40ad756d827c95c84635b
Reviewed-on: https://go-review.googlesource.com/c/go/+/460475
Auto-Submit: Russ Cox <rsc@golang.org>
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Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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In CL 436655 I added a GODEBUG setting to this test process to verify
that Wait is eventually called for every exec.Cmd before it becomes
unreachable. However, the cmdHang test helpers in
TestWaitInterrupt/Exit-hang and TestWaitInterrupt/SIGKILL-hang
intentially leak a subprocess in order to simulate a leaky third-party
program, as Go users might encounter in practical use.
To avoid tripping over the leak check, we call Wait on the leaked
subprocess in a background goroutine. Since we expect the process
running cmdHang to exit before its subprocess does, the call to Wait
should have no effect beyond suppressing the leak check.
Fixes #57596.
Updates #52580.
Updates #50436.
Change-Id: Ia4b88ea47fc6b605c27ca6d9d7669c874867a900
Reviewed-on: https://go-review.googlesource.com/c/go/+/460998
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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As part of IsNewObject, we need to go from the SelectN[0] use of
a call to the SelectN[1] use of a call. The current code does this
by just looking through the block. If the block is very large,
this ends up taking quadratic time.
Instead, prepopulate a map from call -> SelectN[1] user of that call.
That lets us find the SelectN[1] user in constant time.
Fixes #57657
Change-Id: Ie2e0b660af5c080314f4f17ba2838510a1147f9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/461080
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Profiles only began adding Function.start_line in 1.20. If it is
missing, add a hint to the error message that they may need to profile a
build of the application built with a newer version of the toolchain.
Technically profiles are not required to come from Go itself (e.g., they
could be converted from perf), but in practice they most likely are.
Fixes #57674.
Change-Id: I87eca126d3fed0cff94bbb8dd748bd4652f88b12
Reviewed-on: https://go-review.googlesource.com/c/go/+/461195
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Reviewed-by: Cherry Mui <cherryyz@google.com>
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Fixes #54778
Change-Id: If9aef0c06b993ef2aedbeea9452297ee9f11fa06
Reviewed-on: https://go-review.googlesource.com/c/go/+/460461
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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I spent quite a while determining the cause of empty stacks in
profiles and reasoning out why this is okay. There isn't a great place
to record this knowledge, but a documentation comment on
appendLocsForStack is better than nothing.
Updates #51550.
Change-Id: I2eefc6ea31f1af885885c3d96199319f45edb4ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/460695
Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
Run-TryBot: Austin Clements <austin@google.com>
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The current output of TestLabelSystemstack is a bit cryptic. This CL
improves various messages and hopefully simplifies the logic in the
test.
Simplifying the logic leads to three changes in possible outcomes,
which I verified by running the logic before and after this change
through all 2^4 possibilities (https://go.dev/play/p/bnfb-OQCT4j):
1. If a sample both must be labeled and must not be labeled, the test
now reports that explicitly rather than giving other confusing output.
2. If a sample must not be labeled but is, the current logic will
print two identical error messages. The new logic prints only one.
3. If the test finds no frames at all that it recognizes, but the
sample is labeled, it will currently print a confusing "Sample labeled
got true want false" message. The new logic prints nothing. We've seen
this triggered by empty stacks in profiles.
Fixes #51550. This bug was caused by case 3 above, where it was
triggered by a profile label on an empty stack. It's valid for empty
stacks to appear in a profile if we sample a goroutine just as it's
exiting (and that goroutine may have a profile label), so the test
shouldn't fail in this case.
Change-Id: I1593ec4ac33eced5bb89572a3ba7623e56f2fb3d
Reviewed-on: https://go-review.googlesource.com/c/go/+/460516
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Change-Id: Id485d0f1e06febe97d1a770bc26c138d9613a7dd
GitHub-Last-Rev: e57dd3e1abb58031b3d8bec8beace1560faad397
GitHub-Pull-Request: golang/go#57679
Reviewed-on: https://go-review.googlesource.com/c/go/+/461076
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
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These typos were found by executing grep, aspell, sort, and uniq in
a pipe and searching the resulting list manually for possible typos.
grep -r --include '*.go' -E '^// .*$' . | aspell list | sort | uniq
Change-Id: I56281eda3b178968fbf104de1f71316c1feac64f
GitHub-Last-Rev: e91c7cee340fadfa32b0c1773e4e5cd1ca567638
GitHub-Pull-Request: golang/go#57669
Reviewed-on: https://go-review.googlesource.com/c/go/+/460767
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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When building in schroot (for building Debian package),
the cgroupfs is not mounted in schroot (only sysfs is mounted).
Change-Id: Ieddac7b2f334d58d832f5d84d81af812badf3720
Reviewed-on: https://go-review.googlesource.com/c/go/+/460539
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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cannonical -> canonical
Change-Id: I656ea210d8ef6eaa85245cb8f463f6b4fd67e1a2
GitHub-Last-Rev: 5a93045add2f2a6885b46377c784f665ab465cfd
GitHub-Pull-Request: golang/go#57633
Reviewed-on: https://go-review.googlesource.com/c/go/+/460756
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: Ie4d8e1ae9c4c6046d27a27a61ef1147bc0ff373c
Reviewed-on: https://go-review.googlesource.com/c/go/+/455715
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Richard Musiol <neelance@gmail.com>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
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Change-Id: Idcea184a5b0c205efd3c91c60b5d954424f37679
Reviewed-on: https://go-review.googlesource.com/c/go/+/460540
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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This patch fixes an elderly bug with "go test -covermode=atomic
sync/atomic". Change the cover tool to avoid adding an import of
sync/atomic when processing "sync/atomic" itself in atomic mode;
instead make direct calls to AddUint32/StoreUint32. In addition,
change the go command to avoid injecting an artificial import of
"sync/atomic" for sync/atomic itself.
Fixes #57445.
Change-Id: I8c8fbd0bcf26c8a8607d4806046f826296508c74
Reviewed-on: https://go-review.googlesource.com/c/go/+/459335
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Reviewed-by: Bryan Mills <bcmills@google.com>
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Links under strings package were linking to the bytes versions of the functions.
Change-Id: If6ebe37fede8e417f8683695783aa767bc01e9c7
GitHub-Last-Rev: 8849285122cb58c17b5979144649075861d8a134
GitHub-Pull-Request: golang/go#57579
Reviewed-on: https://go-review.googlesource.com/c/go/+/460458
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Auto-Submit: Ian Lance Taylor <iant@google.com>
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Add the text from dev.boringcrypto's README making clear what
this code is and that it is unsupported.
Change-Id: Ie49e8ccff10436f5d27ed422f159b4899193c9a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/460515
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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Per the latest spec, we distinguish between interface implementation
and constraint satisfaction. Use the verb "satisfy" when reporting
an error about failing constraint satisfaction.
This CL only changes error messages. It has no impact on correct code.
Fixes #57564.
Change-Id: I6dfb3b2093c2e04fe5566628315fb5f6bd709f17
Reviewed-on: https://go-review.googlesource.com/c/go/+/460396
Reviewed-by: Robert Griesemer <gri@google.com>
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Change-Id: I34b2b9f9b70e39c872d5edbbda4de0fe330211f5
GitHub-Last-Rev: 723e36e11ee011c54d3ffc8125d0477c8eed25a0
GitHub-Pull-Request: golang/go#57566
Reviewed-on: https://go-review.googlesource.com/c/go/+/460457
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: Ieb30cc96008bd705677e44983c68d4581706cc05
Reviewed-on: https://go-review.googlesource.com/c/go/+/460498
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Change-Id: Iaacc96e6302833019ebf7a82d5a1ae49f6ff1955
Reviewed-on: https://go-review.googlesource.com/c/go/+/460175
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
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