Message marshalling makes use of BytesOrPanic a lot, under the
assumption that it will never panic. This assumption was incorrect, and
specifically crafted handshakes could trigger panics. Rather than just
surgically replacing the usages of BytesOrPanic in paths that could
panic, replace all usages of it with proper error returns in case there
are other ways of triggering panics which we didn't find.
In one specific case, the tree routed by expandLabel, we replace the
usage of BytesOrPanic, but retain a panic. This function already
explicitly panicked elsewhere, and returning an error from it becomes
rather painful because it requires changing a large number of APIs.
The marshalling is unlikely to ever panic, as the inputs are all either
fixed length, or already limited to the sizes required. If it were to
panic, it'd likely only be during development. A close inspection shows
no paths for a user to cause a panic currently.
This patches ends up being rather large, since it requires routing
errors back through functions which previously had no error returns.
Where possible I've tried to use helpers that reduce the verbosity
of frequently repeated stanzas, and to make the diffs as minimal as
possible.
Thanks to Marten Seemann for reporting this issue.
Fixes#58001
Fixes CVE-2022-41724
Change-Id: Ieb55867ef0a3e1e867b33f09421932510cb58851
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1679436
Reviewed-by: Julie Qiu <julieqiu@google.com>
TryBot-Result: Security TryBots <security-trybots@go-security-trybots.iam.gserviceaccount.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/468125
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reader.ReadForm is documented as storing "up to maxMemory bytes + 10MB"
in memory. Parsed forms can consume substantially more memory than
this limit, since ReadForm does not account for map entry overhead
and MIME headers.
In addition, while the amount of disk memory consumed by ReadForm can
be constrained by limiting the size of the parsed input, ReadForm will
create one temporary file per form part stored on disk, potentially
consuming a large number of inodes.
Update ReadForm's memory accounting to include part names,
MIME headers, and map entry overhead.
Update ReadForm to store all on-disk file parts in a single
temporary file.
Files returned by FileHeader.Open are documented as having a concrete
type of *os.File when a file is stored on disk. The change to use a
single temporary file for all parts means that this is no longer the
case when a form contains more than a single file part stored on disk.
The previous behavior of storing each file part in a separate disk
file may be reenabled with GODEBUG=multipartfiles=distinct.
Update Reader.NextPart and Reader.NextRawPart to set a 10MiB cap
on the size of MIME headers.
Thanks to Jakob Ackermann (@das7pad) for reporting this issue.
Fixes#58006
Fixes CVE-2022-41725
Change-Id: Ibd780a6c4c83ac8bcfd3cbe344f042e9940f2eab
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1714276
Reviewed-by: Julie Qiu <julieqiu@google.com>
TryBot-Result: Security TryBots <security-trybots@go-security-trybots.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/468124
Auto-Submit: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Do not permit Clean to convert a relative path into one starting
with a drive reference. This change causes Clean to insert a .
path element at the start of a path when the original path does not
start with a volume name, and the first path element would contain
a colon.
This may introduce a spurious but harmless . path element under
some circumstances. For example, Clean("a/../b:/../c") becomes `.\c`.
This reverts CL 401595, since the change here supersedes the one
in that CL.
Thanks to RyotaK (https://twitter.com/ryotkak) for reporting this issue.
Fixes#57274
Fixes CVE-2022-41722
Change-Id: I837446285a03aa74c79d7642720e01f354c2ca17
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1675249
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Julie Qiu <julieqiu@google.com>
TryBot-Result: Security TryBots <security-trybots@go-security-trybots.iam.gserviceaccount.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/468123
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Change-Id: I16ec916b47de2f417b681c8abff5a1375ddf491b
Reviewed-on: https://go-review.googlesource.com/c/go/+/468055
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This reverts CL 466865.
Reason for revert: Causing trybot flakiness due to net/http race,
roll back until net/http is fixed.
For #58168
Change-Id: I3129deb996abe6466eccf933fe93cbbaf72ae217
Reviewed-on: https://go-review.googlesource.com/c/go/+/467895
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
This CL is a port of go.dev/cl/465936 from the x/tools importer, which
changes the unified importer to (1) only call Package.SetImports on
the main package being imported (not any transitively imported
packages), and (2) to only populate it with any packages that were
referenced by the exported API.
With these changes, it should behave identically to how the indexed
importer worked in Go 1.19. It will also allow eventually dropping the
serialized import DAG from the export data format, which should help
with export data file sizes somewhat.
Updates #54096.
Updates #58296.
Change-Id: I70d252a19cada3333ed59b16d1df2abc5a4cff73
Reviewed-on: https://go-review.googlesource.com/c/go/+/467896
Reviewed-by: Alan Donovan <adonovan@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For go/defer calls like "defer f(x, y)", the compiler rewrites it to:
x1, y1 := x, y
defer func() { f(x1, y1) }()
However, if "f" needs runtime type information, the "RType" field will
refer to the outer ".dict" param, causing wrong liveness analysis.
To fix this, if "f" refers to outer ".dict", the dict param will be
copied to an autotmp, and "f" will refer to this autotmp instead.
Fixes#58341
Change-Id: I238b6e75441442b5540d39bc818205398e80c94d
Reviewed-on: https://go-review.googlesource.com/c/go/+/466035
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This copies parts of x/exp/slices into the standard library.
We omit all functions that depend on constraints.Ordered,
and the Func variants of all such functions. In particular this
omits the various Sort and Search functions.
Fixes#57433
Change-Id: I3c28f4c2e6bd1e3c9ad70e120a0dd68065388f77
Reviewed-on: https://go-review.googlesource.com/c/go/+/467417
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Eli Bendersky <eliben@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Fix a problem with trampoline generation for ARM that was causing link
failures when building selected k8s targets. Representative error
(this is coming from the external linker):
go.go:(.text+...): relocation truncated to fit: R_ARM_CALL against `runtime.duffcopy'
The Go linker is supposed to be limiting text section size for ARM to
0x1c00000 bytes, however due to a problem in the tramp generation
phase this limit wasn't being enforced.
Updates #58428.
Fixes#58425.
Change-Id: I4e778bdcbebeab607a6e626b354ca5109e52a1aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/467715
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
hte -> the
Change-Id: Ie81062997289d622756881acdd11af66611cd778
GitHub-Last-Rev: 5ef07542b4
GitHub-Pull-Request: golang/go#58473
Reviewed-on: https://go-review.googlesource.com/c/go/+/467518
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
The dist tool already includes a similar duplicate of BuildModeSupported.
Replace it with an exact copy, to make it easier to maintain going forward.
Change-Id: Id14a6c5a48f92d843e02218d87cc62c6b001923b
Reviewed-on: https://go-review.googlesource.com/c/go/+/467495
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Currently, access faults on memory mapped files on Windows (e.g.
from the drive the memory mapped file is on being ejected) cause
a runtime fault that can not be caught by debug.SetPanicOnFault.
On Unix systems, on the other hand, this causes a SIGBUS signal,
which can be caught by debug.SetPanicOnFault. Given that the
documentation of debug.SetPanicOnFault mentions handling memory
mapped files, this is arguably the correct behaviour.
Add handling, analogous to SIGBUS, to EXCEPTION_IN_PAGE_ERROR
on Windows, to allow for users to handle this error.
Fixes#58457
Change-Id: Ic7695fc01271f3552782089ac75c403d5279811f
Reviewed-on: https://go-review.googlesource.com/c/go/+/467195
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
In our case I was using a "vendor-replace" directory which was incorrectly flagged as being in the vendor directory.
Change-Id: I8208243ea8416ee7cb4de30e907bcfc25c2d3f27
GitHub-Last-Rev: d183a94d03
GitHub-Pull-Request: golang/go#58287
Reviewed-on: https://go-review.googlesource.com/c/go/+/465036
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
When the race detector is enabled, scribble over copy buffers with
garbage after Write returns.
For #58452
Change-Id: I25547684bcbef7d302d76736cb02e59c89a640ee
Reviewed-on: https://go-review.googlesource.com/c/go/+/466865
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Damien Neil <dneil@google.com>
#16455 handled escapes in pkg-config output but only for cflags. The fix
for #41400 left a note that we don't need to parse quotes and unescapes,
but it is still necessary to handle spaces in pkg-config output. As cflags
has already been processed correctly, we apply the same logic to ldflags
here.
Fixes#35262
Change-Id: Id01d422b103780f67f89e99ff1df0d8f51a7a137
GitHub-Last-Rev: c67e511213
GitHub-Pull-Request: golang/go#58429
Reviewed-on: https://go-review.googlesource.com/c/go/+/466875
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: David Chase <drchase@google.com>
The error message when an invalid goroutine state transition is found in
a trace should show the current state, not the next state, when
comparing against the expected current state.
This CL also picks up a gofmt change to the file.
Change-Id: Ic0ce6c9ce79d8a784b73b115b5db76c311b8593d
Reviewed-on: https://go-review.googlesource.com/c/go/+/467416
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Follow up of CL 464375 which reverted the CL 463231, because of a data race.
Change-Id: I1a52f23a68a6981b902fc59bda1437bd169ca22b
GitHub-Last-Rev: 0157bd0180
GitHub-Pull-Request: golang/go#58383
Reviewed-on: https://go-review.googlesource.com/c/go/+/465836
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This patch detects at which index position profiling samples that have
the value-type samples count are, instead of the previously hard-coded
position of index 1. Runtime generated profiles always generate CPU
profiling data with the 0 index being CPU nanoseconds, and samples count
at index 1, which is why this previously hasn't come up.
This is a redo of CL 465135, now allowing empty profiles. Note that
preprocessProfileGraph will already cause pgo.New to return nil for
empty profiles.
Fixes#58292
Change-Id: Ia6c94f0793f6ca9b0882b5e2c4d34f38e600c1e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/466675
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This can happen in reasonable code because NewReader(r) can return r,
if r is already a Reader.
Similarly for Writer.
Fixes#58423
Change-Id: Iff9d9265410bee68fbaeb7175369847bd737eb2c
Reviewed-on: https://go-review.googlesource.com/c/go/+/466815
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Fix a misuse of bufio.Reader.Read in the helper class
cmd/internal/cov.MReader; the MReader method in question should have
been using io.ReadFull (passing the bufio.Reader) instead of directly
calling Read.
Using the Read method instead of io.ReadFull will result in a "short"
read when processing a specific subset of counter data files, e.g.
those that are short enough to not trigger the mmap-based scheme we
use for larger files, but also with a large args section (something
large enough to exceed the default 4k buffer size used by
bufio.Reader).
Along the way, add some additional defered Close() calls for files
opened by the CovDataReader.visitPod, to enure we don't leave any open
file descriptor following a call to CovDataReader.Visit.
Fixes#58411.
Change-Id: Iea48dc25c0081be1ade29f3a633df02a681fd941
Reviewed-on: https://go-review.googlesource.com/c/go/+/466677
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
In general it seems ok to assume that an open-source module that did
exist will continue to do so — after all, users of open-source modules
already do that all the time. However, we should not assume that those
modules do not publish new versions — that's really up to their
maintainers to decide.
Two existing tests did make that assumption for the module
gopkg.in/natefinch/lumberjack.v2. Let's remove those two tests.
If we need to replace them at some point, we can replace them with
hermetic test-only modules (#54503) or perhaps modules owned by the Go
project.
Fixes#58445.
Change-Id: Ica8fe587d86fc41f3d8445a4cd2b8820455ae45f
Reviewed-on: https://go-review.googlesource.com/c/go/+/466860
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: David Chase <drchase@google.com>
This reverts CL 456555.
Reason for revert: This seems too likely to exercise race conditions
in code where a Write call continues to access its buffer after
returning. The HTTP/2 ResponseWriter is one such example.
Reverting this change while we think about this some more.
For #57202
Change-Id: Ic86823f81d7da410ea6b3f17fb5b3f9a979e3340
Reviewed-on: https://go-review.googlesource.com/c/go/+/467095
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Small cleanup to remove a couple of needless global variables.
Instead of relying on two instances of emptyCtx having different
addresses, we use different types.
For #26775
Change-Id: I0bc4813e94226f7b3f52bf4b1b3c3a3bbbebcc9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/455455
Reviewed-by: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Sameer Ajmani <sameer@golang.org>
Darwin needs the osinit_hack call to fix some bugs in the Apple libc
that surface when Go programs call exec. On iOS, the functions that
osinit_hack uses are not available, so signing fails. But on iOS exec
is also unavailable, so the hack is not needed. Disable it there,
which makes signing work again.
Fixes#58323.
Change-Id: I3f1472f852bb36c06854fe1f14aa27ad450c5945
Reviewed-on: https://go-review.googlesource.com/c/go/+/466516
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Dave Anderson <danderson@tailscale.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
`windows-amd64-2008` builder does no longer exist on go1.20,
so it is safe to remove conditions checking for that name.
Updates #57003Closes#56904
Change-Id: I941ccc64cda0af3b9356996c4b581700afa81987
Reviewed-on: https://go-review.googlesource.com/c/go/+/467175
Run-TryBot: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Update the code that tries to satisfy unresolved references to
"__stack_chk_fail_local" to look for "libssp_nonshared.a" in addition
to "libc_nonshared.a" (the former archive is the correct place on
Alpine).
Updates #52919.
Updates #54313.
Updates #57261.
Fixes#58385.
Change-Id: Id6cd3ebb4d5388df50a838e6efa5e5b683545b01
Reviewed-on: https://go-review.googlesource.com/c/go/+/466936
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Add -fno-stack-protector back to the default set of CFLAGS for cgo, so
as to avoid problems with internal linking locating the library
containing the "__stack_chk_fail_local" support function that some
compilers emit (the specific archive can vary based on GOOS).
Updates #52919.
Updates #54313.
Updates #57261.
Updates #58385.
Change-Id: I4591bfb15501f04b7afe1fcd50c4fb93c86db63d
Reviewed-on: https://go-review.googlesource.com/c/go/+/466935
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Issue an error (instead of crashing) when encountering a symbol that
requires dynamic relocations on mips/mips64. The dynimport support is
in progress, but is not done yet, so rather than crashing, print a
message indicating that the feature is not yet implemented and exit.
Fixes#58240.
Change-Id: I9ad64c89e4f7b4b180964b35ad1d72d375f2df7f
Reviewed-on: https://go-review.googlesource.com/c/go/+/466895
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
It currently says only what it wasn't good for, which is not helpful.
Change-Id: I468c7f385c14eaca99788a94d53c30b729ed0944
Reviewed-on: https://go-review.googlesource.com/c/go/+/466276
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
For unification we only need the handles map.
The type parameter list was stored for reproducible printing only,
but we can achieve the same effect with sorting.
This opens the door to adding type parameters from different
types/functions that we may want to infer together. They may
be added through separate "addTypeParams" calls in the future.
Printing (which is used for debugging only) will remain reproducible.
Change-Id: I23b56c63fa45a7d687761f2efcf558e61b004584
Reviewed-on: https://go-review.googlesource.com/c/go/+/466955
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Rather than referring back to the type parameter list stored with
the unifier, return inferred types for a given list of type parameters.
This decouples the unifier more and opens the door for inference to
consider type parameters from multiple types for inference.
While at it, introduce an internal flag to control whether
inference results of the two inference implementations should
be compared or not.
Change-Id: I23b254c6c1c750f5bd1360aa2bb088cc466434f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/466795
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Change-Id: I4f9b84696f55c6b381de60682f8b242098b95b75
GitHub-Last-Rev: 74a6013a9e
GitHub-Pull-Request: golang/go#58402
Reviewed-on: https://go-review.googlesource.com/c/go/+/466335
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This change introduces the Compare and Compare32 functions
based on the total-ordering predicate in IEEE-754, section 5.10.
In particular,
* -NaN is ordered before any other value
* +NaN is ordered after any other value
* -0 is ordered before +0
* All other values are ordered the usual way
name time/op
Compare-8 0.24ns ± 1%
Compare32-8 0.24ns ± 0%
Fixes#56491.
Change-Id: I9444fbfefe26741794c4436a26d403b8da97bdaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/459435
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
The Error type used in failed fetch invocations contain more
information than we're currently extracting. Optimistically
look for the cause field for extra context for errors.
Change-Id: I6c8e4b230a21ec684af2107707aa605fc2148fcf
Reviewed-on: https://go-review.googlesource.com/c/go/+/463978
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Evan Phoenix <evan@phx.io>
Run-TryBot: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
The existing runtime_expandFinalInlineFrame implementation doesn't skip trailing wrappers, but
gentraceback does skip wrapper functions.
This change makes runtime_expandFinalInlineFrame handling wrapper functions consistent to gentraceback.
Fixes#58288
Change-Id: I1b0e2c10b0a89bcb1e787b98d27730cb40a34406
Reviewed-on: https://go-review.googlesource.com/c/go/+/465097
Reviewed-by: Michael Pratt <mpratt@google.com>
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There are a plenty of regression in 1.20 with this optimization. This CL
disable inline static init, so it's safer to backport to 1.20 branch.
The optimization will be enabled again during 1.21 cycle.
Updates #58293
Updates #58339
For #58293
Change-Id: If5916008597b46146b4dc7108c6b389d53f35e95
Reviewed-on: https://go-review.googlesource.com/c/go/+/467015
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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This global variable was used by the old frontend to decide whether to
perform escape analysis during method wrapper generation.
The old frontend is gone now, the variable is not used anywhere else.
Change-Id: I448f2761ea608a9a2ec39a9920fcf7aa12d98799
Reviewed-on: https://go-review.googlesource.com/c/go/+/466278
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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This patch fixes a panic from incorrect interface conversion from
*ir.BasicLit to *ir.ConstExpr. This only occurs when nounified
GOEXPERIMENT is set, so ideally it should be backported to Go
1.20 and removed from master.
Fixes#58339
Change-Id: I357069d7ee1707d5cc6811bd2fbdd7b0456323ae
GitHub-Last-Rev: 641dedb5f9
GitHub-Pull-Request: golang/go#58389
Reviewed-on: https://go-review.googlesource.com/c/go/+/466175
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Since go1.19, these errors are already reported by types2 for any user's
Go code. Compiler generated code, which looks like constant expression
should be evaluated as non-constant semantic, which allows overflows.
Fixes#58293
Change-Id: I6f0049a69bdb0a8d0d7a0db49c7badaa92598ea2
Reviewed-on: https://go-review.googlesource.com/c/go/+/465096
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
These functions are linked using go:linkname, but do not match the
original declarations. This change brings these in sync.
Change-Id: I16651304c3dba2f9897c2c42e30555d2f7805c2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/466615
Reviewed-by: Michael Pratt <mpratt@google.com>
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The tests for cmd/go/internal/test were not running at all due to a
missed call to m.Run in TestMain. That masked two missing vet
analyzers ("directive" and "timeformat") and a missed update to the
generator script in CL 355452.
Fixes#58415.
Change-Id: I7b0315952967ca07a866cdaa5903478b2873eb7a
Reviewed-on: https://go-review.googlesource.com/c/go/+/466635
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This gets eliminated by thoses rules above:
// for rewriting results of some late-expanded rewrites (below)
(SelectN [0] (MakeResult x ___)) => x
(SelectN [1] (MakeResult x y ___)) => y
(SelectN [2] (MakeResult x y z ___)) => z
Fixes#58161
Change-Id: I4fbfd52c72c06b6b3db906bd9910b6dbb7fe8975
Reviewed-on: https://go-review.googlesource.com/c/go/+/463846
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
