Calling syscall.ReadFile and syscall.WriteFile on overlapped handles
always need to be passed a valid *syscall.Overlapped structure, even if
the handle is not added to a IOCP (like the Go runtime poller). Else,
the syscall will fail with ERROR_INVALID_PARAMETER.
We also need to handle ERROR_IO_PENDING errors when the overlapped
handle is not added to the poller, in which case we need to block until
the operation completes.
Previous CLs already added support for overlapped handles to the poller,
mostly to keep track of the file offset independently of the file
pointer (which is not supported for overlapped handles).
Fixed#15388.
Updates #19098.
Change-Id: I2103ab892a37d0e326752ae8c2771a43c13ba42e
Reviewed-on: https://go-review.googlesource.com/c/go/+/661795
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Also, rewrite some uses of LookupFieldOrMethod in terms of it.
+ doc, relnote
Fixes#70737
Change-Id: I58a6dd78ee78560d8b6ea2d821381960a72660ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/647196
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For #67002
Change-Id: I223f3f2dbc8b02726f4ce5a017c628c4a20f109a
Reviewed-on: https://go-review.googlesource.com/c/go/+/659757
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
For #67002
Change-Id: Ifb1042bc5ceaeea64296763319b24634bbcb0bf0
Reviewed-on: https://go-review.googlesource.com/c/go/+/659416
Reviewed-by: Ian Lance Taylor <iant@google.com>
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For #71671
Change-Id: I690aa24c0d9dd62749244c92d26a5a353f0d5c47
Reviewed-on: https://go-review.googlesource.com/c/go/+/658275
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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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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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: 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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For #71294Fixes#50745
Change-Id: Iff05e98ac860a1764d4c59572f9abc3ae8d9c5fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/658495
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Reviewed-by: Alan Donovan <adonovan@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: 1c4c9390a1
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>
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
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Reviewed-by: Ian Lance Taylor <iant@google.com>
We are going to stick to BoringSSL's policy for Go+BoringCrypto, but
when using the native FIPS 140-3 module we can allow Ed25519, ML-KEM,
and P-521.
NIST SP 800-52r2 is stricter, but it only applies to some entities, so
they can restrict the profile with Config.
Fixes#71757
Change-Id: I6a6a4656eb02e56d079f0a22f98212275a40a679
Reviewed-on: https://go-review.googlesource.com/c/go/+/650576
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Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: David Chase <drchase@google.com>
This required adding a new field to SessionState for TLS 1.0–1.2, since
the key exchange is not repeated on resumption. The additional field is
unfortunately not backwards compatible because current Go versions check
that the encoding has no extra data at the end, but will cause
cross-version tickets to be ignored. Relaxed that so we can add fields
in a backwards compatible way the next time.
For the cipher suite, we check that the session's is still acceptable
per the Config. That would arguably make sense here, too: if a Config
for example requires PQ, we should reject resumptions of connections
that didn't use PQ. However, that only applies to pre-TLS 1.3
connections, since in TLS 1.3 we always do a fresh key exchange on
resumption. Since PQ is the only main differentiator between key
exchanges (aside from off-by-default non-PFS RSA, which are controlled
by the cipher suite in TLS 1.0–1.2) and it's PQ-only, we can skip that
check.
Fixes#67516
Change-Id: I6a6a465681a6292edf66c7b8df8f4aba4171a76b
Reviewed-on: https://go-review.googlesource.com/c/go/+/653315
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
The go command will now no longer update the toolchain line implicitly
to the local toolchain version when updating the go line. Document that
in a release note.
For #65847
Change-Id: I4e970d881a43c22292fe9fa65a9835d0214ef7bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/657178
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
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Add a small fragment describing the move to DWARF 5 for this release,
along with the name of the GOEXPERIMENT.
Updates #26379.
Change-Id: I3a30a71436133e2e0a5edf1ba0db84b9cc17cc5c
Reviewed-on: https://go-review.googlesource.com/c/go/+/657176
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Reviewed-by: Ian Lance Taylor <iant@google.com>
This PR adds an helper FileContentDisposition that builds multipart
Content-Disposition header contents with field name and file name,
escaping quotes and escape characters.
The function is then called in the related helper CreateFormFile.
The new function allows users to add other custom MIMEHeaders,
without having to rewrite the char escaping logic of field name and
file name, which is provided by the new helper.
Fixes#46771
Change-Id: Ifc82a79583feb6dd609ca1e6024e612fb58c05ce
GitHub-Last-Rev: 969f846fa9
GitHub-Pull-Request: golang/go#63324
Reviewed-on: https://go-review.googlesource.com/c/go/+/531995
Reviewed-by: Damien Neil <dneil@google.com>
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We previously disallowed all non-regular files being embedded. This CL
relaxes the restriction a little: if the GODEBUG embedfollowsymlinks=1
is set, we allow the leaf files being embedded (not the directories
containing them) to be symlinks. The files pointed to by the symlinks
must still be regular files.
This will be used when a Bazel build action executing the Go command is
running in a symlink-based sandbox. It's not something we want to enable
in general for now, so it's behind a GODEBUG.
Fixes#59924
Change-Id: I895be14c12de55b7d1b663d81bdda1df37d54804
Reviewed-on: https://go-review.googlesource.com/c/go/+/643215
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This adds a new godebug to control whether the runtime applies the
anonymous memory mapping annotations added in https://go.dev/cl/646095.
It is enabled by default.
This has several effects:
* The feature is only enabled by default when the main go.mod has go >=
1.25.
* This feature can be disabled with GODEBUG=decoratemappings=0, or the
equivalents in go.mod or package main. See https://go.dev/doc/godebug.
* As an opaque setting, this option will not appear in runtime/metrics.
* This setting is non-atomic, so it cannot be changed after startup.
I am not 100% sure about my decision for the last two points.
I've made this an opaque setting because it affects every memory mapping
the runtime performs. Thus every mapping would report "non-default
behavior", which doesn't seem useful.
This setting could trivially be atomic and allow changes at run time,
but those changes would only affect future mappings. That seems
confusing and not helpful. On the other hand, going back to annotate or
unannotate every previous mapping when the setting changes is
unwarranted complexity.
For #71546.
Change-Id: I6a6a636c5ad551d76691cba2a6f668d5cff0e352
Reviewed-on: https://go-review.googlesource.com/c/go/+/655895
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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Make it clear that we only use godebug directives in the go.work, and
that we don't use those in go.mod, when we're in a workspace.
Fixes#72109
Change-Id: I648bfa4dd9b3ca0ac299c0a890843d41fe1ac7f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/655158
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This enables the ASAN default behavior of reporting C memory leaks.
It can be disabled with ASAN_OPTIONS=detect_leaks=0.
Fixes#67833
Change-Id: I420da1b5d79cf70d8cf134eaf97bf0a22f61ffd0
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-asan-clang15,gotip-linux-arm64-asan-clang15
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This CL adds an enum type, VarKind, that discriminates among
the various kinds of Var, and adds setter/getter methods
for Var's kind field.
Beware: NewVar has a weaker postcondition: the Var objects it
returns are not completely initialized and require a call to
Var.SetKind. This should only affect importers.
No changes are needed to the export data, since the kind can
always be deduced from the context when decoding.
See CL 645656 for the corresponding x/tools changes.
+ test, relnote, API
Updates golang/go#70250
Change-Id: Icde86ad22a880cde6f50bc12bf38004a5c6a1025
Reviewed-on: https://go-review.googlesource.com/c/go/+/645115
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These methods were previously used by crypto/ecdsa, but now not even
ecdsa_legacy.go uses them. Neither were ever documented.
Inverse was available only on P256() and only on amd64 and arm64, so
hopefully no one used it. CombinedMult was always available on all
curves, so it's possible some application might have used it, but all
the samples on GitHub I can find copied the old crypto/ecdsa package,
which does a conditional interface upgrade with a fallback, so they
won't break.
Change-Id: I6a6a4656ee1ab98438ca0fb20bea53b229cd7e71
Reviewed-on: https://go-review.googlesource.com/c/go/+/640116
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
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This CL removes the notion of core types from the spec.
Instead of referring to core types, each section that did
so before is reverted to approx. the pre-generics (1.17)
prose, and additional paragraphs cover the type parameter
cases as needed.
The hope is that this makes it easier to read the spec.
When type parameters are involved, the extra prose is
local to the language feature in question and thus more
readily available. When no type parameters are present,
readers do not have to concern themselves with core types.
In contrast to CL 621919, this change is not intended to
loosen the spec in any way and therefore does not change
the language (if the new prose implies otherwise, we will
correct it).
Except for adjustments to compiler error messages
(no mention of core types anymore), no other changes
to the compiler or tools are required.
Future CLs may selectively relax requirements on a language
construct by language construct basis; each such change can
be discussed and proposed independently.
For #70128.
Change-Id: I6ed879a472c615d7c8dbdc7b6bd7eef3d12eff7e
Reviewed-on: https://go-review.googlesource.com/c/go/+/645716
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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Fixes#56025
Change-Id: I202fdd0e11afeb22c5bc22d91fe4bfea8987e727
Reviewed-on: https://go-review.googlesource.com/c/go/+/651056
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Relates to #71257. Since post-quantum TLS algorithms are enabled by default, we should warn about the possible bugs with legacy servers (see https://tldr.fail/)
Change-Id: I06a5d8a927497ea2141007b14a90af27e0891720
GitHub-Last-Rev: 476e6462df
GitHub-Pull-Request: golang/go#71865
Reviewed-on: https://go-review.googlesource.com/c/go/+/651036
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Fixes#71122
Change-Id: Icaf27842f4a42e11eea4bd2203eba5d56610c196
Reviewed-on: https://go-review.googlesource.com/c/go/+/649275
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
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Fixes#71666
Change-Id: Ice816cf2943c5b6660f05934b4c7ca38545714b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/648520
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Commit-Queue: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
For #67002
Change-Id: I546537618cbe32217fa72264d49db2b1a1d3b6db
Reviewed-on: https://go-review.googlesource.com/c/go/+/648295
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For #67002
Change-Id: Id6c3a2096bd10f5f5f6921a0441dc6d9e6cdeb3b
Reviewed-on: https://go-review.googlesource.com/c/go/+/645718
Commit-Queue: Damien Neil <dneil@google.com>
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Change the output printed when crashing with a reraised panic value
to not duplicate that value.
Changes output of panicking with "PANIC", recovering, and reraising
from:
panic: PANIC [recovered]
panic: PANIC
to:
panic: PANIC [recovered, reraised]
Fixes#71517
Change-Id: Id59938c4ea0df555b851ffc650fe6f94c0845499
Reviewed-on: https://go-review.googlesource.com/c/go/+/645916
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Also, delete go1.17_spec.html.
Change-Id: I7c78029dcfbbe8dbabb4ca81052976c1c8f4ed9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/645717
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Added implementations for *io/fs.subFS, os.DirFS, and testing/fstest.MapFS.
Amended testing/fstest.TestFS to check behavior.
Addressed TODOs in archive/tar and os.CopyFS around symbolic links.
I am deliberately not changing archive/zip in this CL,
since it currently does not resolve symlinks
as part of its filesystem implementation.
I am unsure of the compatibility restrictions on doing so,
so figured it would be better to address independently.
testing/fstest.MapFS now includes resolution of symlinks,
with MapFile.Data storing the symlink data.
The behavior change there seemed less intrusive,
especially given its intended usage in tests,
and it is especially helpful in testing the io/fs function implementations.
Fixes#49580
Change-Id: I58ec6915e8cc97341cdbfd9c24c67d1b60139447
Reviewed-on: https://go-review.googlesource.com/c/go/+/385534
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Reviewed-by: Bryan Mills <bcmills@google.com>
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Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Funda Secgin <fundasecgin33@gmail.com>
Following the "For the release team" steps in README:
cd doc
cp -R initial/ next
$EDITOR next/1-intro.md
For #70525
Change-Id: I31c271d95ccd72123f531fde4e72929ec7b310d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/646195
Reviewed-by: Carlos Amedee <carlos@golang.org>
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Change-Id: If4d3b3965762c8979d304a82493c9eb1068ee13c
Reviewed-on: https://go-review.googlesource.com/c/go/+/642037
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Fixes#24163.
Change-Id: If389c4abf3b9b6e4eba6f31c3c12779329456df6
Reviewed-on: https://go-review.googlesource.com/c/go/+/637655
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Add a section on the representation of values:
distinguish between values that are self-contained
and values that contain references while avoiding
the notion of "reference types" which is misleading.
Also, use "predeclared identifier nil" rather than
"predeclared value nil" because it is the identifier
that is predeclared.
Fixes#5083.
Change-Id: I2235673c6404f2c055f195e879f198c7ab246d58
Reviewed-on: https://go-review.googlesource.com/c/go/+/635801
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Ever since CL 362015 in 2021 it hasn't been necessary to set
"fixed-width phrases with non-fixed-width spaces" because the site CSS
now takes care of this typesetting convention.
Change-Id: Id84f711b65cddf389dc485aa362b23c9c531cbfd
Reviewed-on: https://go-review.googlesource.com/c/go/+/638565
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
- Describe that function invocation allocates space for a functions'
variables.
- Explain parameter passing in terms of assignments.
Change-Id: Ia693d73a570f7d1aa2ac05e6095b4e602e4e9bf2
Reviewed-on: https://go-review.googlesource.com/c/go/+/635800
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Rob Pike <r@golang.org>
Change-Id: Ib1b14b8880c6de5606f7f425a5fc1c8749d8a4b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/635799
TryBot-Bypass: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
The release note fragments have been merged and added
as _content/doc/go1.24.md in x/website in CL 634056.
For #68545.
Change-Id: I7b3840df01b8c3699681c0cd21a16af70f74d31d
Reviewed-on: https://go-review.googlesource.com/c/go/+/634057
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
testing.b.Loop.
This CL added documentation of the no-inlining semantic of b.Loop, with
a concrete example. This CL also tries to improve the release note to be
more descriptive.
Fixes#61515
Change-Id: I1e13cc92d5d6bdbf40fb44f44475e249747b807f
Reviewed-on: https://go-review.googlesource.com/c/go/+/633536
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Fixes#48429
Change-Id: Ie1954fc3bedd7d36cafaf3835b6c3a92326393f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/632556
Reviewed-by: Michael Matloob <matloob@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Document wasmexport and WASI reactor/library mode. Also document
that we now permit more types for wasmimport.
Fixes#65199.
Updates #66984.
For #68545.
Change-Id: Id26a8c9496650cd154daed679b82223af1848eea
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Document that we now generate GNU build ID or Mach-O UUID by
default, and the related flags to disable or override it.
Fixes#68678.
Fixes#70586.
For #68545.
Change-Id: Ic79f3c05aab8a5032ba6983b8c72eeb4202bfe84
Reviewed-on: https://go-review.googlesource.com/c/go/+/633875
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Also, move the weak package heading to the end; it currently overlaps
with 1-osroot.md in the sort order.
For #68545.
Change-Id: Ia26ae511eaab7c8762e42d1593ac2197d25bbadb
Reviewed-on: https://go-review.googlesource.com/c/go/+/633599
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For #66626.
For #68545.
Change-Id: I4fe21bdaa9580eb087c849de72e98f6145121dd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/633282
Reviewed-by: Robert Griesemer <gri@google.com>
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qmuntal
Damien Neil
Alan Donovan
qiulaidongfeng
Keith Randall
Michael Matloob
Julien Cretel
Meng Zhuo
Filippo Valsorda
Than McIntosh
Luca Maltagliati
Michael Pratt
Ian Lance Taylor
Robert Griesemer
Thomas Vaillant
Roxy Light
Cherry Mui
Oleksandr Redko
yaxum62
Austin Clements
Gopher Robot
Junyang Shao
Conrad Irwin
Michael Anthony Knyszek