This change adds release notes for the "Runtime" section and updated
some of the release notes for runtime/trace and runtime/pprof after I
looked at the full list of runtime-related changes.
For #54202.
Change-Id: Id1395f4e6e02d3fcc248855ca98ad0ee26cae574
Reviewed-on: https://go-review.googlesource.com/c/go/+/454075
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Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Read the full (empty) response body before closing it,
to avoid cancelling the request while the server handler
is still running.
Wrap the ResponseWriter before calling NewResponseController:
This test is intended to verify that wrapping the controller
works properly, but neglected to actually wrap the controller.
Fixes#56961.
Change-Id: I00269f897448ab34676338707b7a04d19ff17963
Reviewed-on: https://go-review.googlesource.com/c/go/+/453860
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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if q != nil {
p = &q.f
}
Which gets rewritten to a conditional move:
tmp := &q.f
p = Select q!=nil, tmp, p
Unfortunately, we can't compute &q.f before we've checked if q is nil,
because if it is nil, &q.f is an invalid pointer (if f's offset is
nonzero but small).
Normally this is not a problem because the tmp variable above
immediately dies, and is thus not live across any safepoint. However,
if later there is another &q.f computation, those two computations are
CSEd, causing tmp to be used at both use points. That will extend
tmp's lifetime, possibly across a call.
Fixes#56990
Change-Id: I3ea31be93feae04fbe3304cb11323194c5df3879
Reviewed-on: https://go-review.googlesource.com/c/go/+/454155
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Reviewed-by: Keith Randall <khr@google.com>
Document that a slice can be converted to either an array or a pointer
to an array of a matching underlying array type. This was documented in
the "Conversions from slice to array or array pointer" subsection, but
not in the list of conversion rules.
Updates #46505.
Change-Id: I16a89a63ef23c33580129952415e977a8f334009
Reviewed-on: https://go-review.googlesource.com/c/go/+/452936
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Run-TryBot: Tim King <taking@google.com>
Change-Id: I75aef6bf957939fae8b680214f5923dc2713a5cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/452935
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
This reverts CL 105636.
Reason for revert: Fails with existing XML data. At this stage in the release cycle we should revert, and try again next time with some way to support existing XML.
For #8068
Change-Id: Ia84cbf3a84878ac7190f72998545dee22c36c45e
Reviewed-on: https://go-review.googlesource.com/c/go/+/453996
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
I misunderstood CL 420774. We didn't remove GO_LDSO, just that
make.bash no longer tries to set it automatically. If GO_LDSO is
explicitly set at make.bash, it is still used as the default
dynamic interpreter.
For #54202.
Change-Id: Ided775438b8e4b87a6acd9bc87657657dbd3d91c
Reviewed-on: https://go-review.googlesource.com/c/go/+/453601
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Add code tag for environment variables and file paths in the
Bootstrap section.
Add code tag for packages in the Cgo section.
Change-Id: Ib0fad1c09fbc497a097ef43cbf5850a27b9a6532
Reviewed-on: https://go-review.googlesource.com/c/go/+/453621
Run-TryBot: Cherry Mui <cherryyz@google.com>
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A couple of the windows runtime tests were being gated by "if
testenv.Builder() == ..." guards that referred to builders that have
long since been obsoleted (e.g. "windows-amd64-gce"). Use a more
generic guard instead, checking for windows-<goarch> prefix.
Change-Id: Ibdb9ce2b0cfe10bba986bd210a5b8ce5c1b1d675
Reviewed-on: https://go-review.googlesource.com/c/go/+/453035
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Than McIntosh <thanm@google.com>
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Also update test helper programs to avoid the deprecated io/ioutil
package and fix minor formatting issues.
For #49649.
Change-Id: Id404acbb2795470420854d682f849d959d2080c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/453775
Auto-Submit: Bryan Mills <bcmills@google.com>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Change-Id: I8d970e8db859bdd17390cfbc22cc2ba0d326ed0c
Reviewed-on: https://go-review.googlesource.com/c/go/+/453735
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Sameer Ajmani <sameer@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
No one ever runs 'go tool api', because the invocation
has gotten unwieldy enough that it's not practical.
And we don't support it as a standalone tool for other
packages - it's not even in the distribution.
Making it an ordinary package test lets us invoke it
more easily from cmd/dist (as go test cmd/api -check)
and avoids the increasingly baroque code in run.go to
build a command line.
Left in cmd/api even though it's no longer a command
because (1) it uses a package from cmd/vendor and
(2) it uses internal/testenv. Otherwise it could be misc/api.
Fixes#56845.
Change-Id: I00a13d9c19b1e259fa0e6bb93d1a4dca25f0e8c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/453258
Auto-Submit: Russ Cox <rsc@golang.org>
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Finish all standard library TODOs, including additions
flagged by another run of relnote.
Change-Id: Ib9d22672b13b9775a98262d645aaf1d54e7494df
Reviewed-on: https://go-review.googlesource.com/c/go/+/453295
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: I7e2519601bfe1a59a48e240ff67868b1d74d55d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/453516
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Auto-Submit: Brad Fitzpatrick <bradfitz@golang.org>
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Version 2022f was released on 2022-10-29, see
https://mm.icann.org/pipermail/tz-announce/2022-October/000075.html for
the release announcement.
For #22487
Change-Id: I6130def7fcd389b30ffed0eb9003d0fcf5eabb82
Reviewed-on: https://go-review.googlesource.com/c/go/+/453055
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
All mips variant perform syscalls similarly. R2 (v0) holds r1 and R3
(v1) holds r2 of a syscall. The latter is only used by 2-ret syscalls.
A 1-ret syscall would not touch R3 but keeps it as is, making r2 be a
random value. Always reset it to 0 before SYSCALL to fix the issue.
Fixes#56426
Change-Id: Ie49965c0c3c224c4a895703ac659205cd040ff56
Reviewed-on: https://go-review.googlesource.com/c/go/+/452975
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Reviewed-by: Meng Zhuo <mzh@golangcn.org>
These should be deprecated, but per go.dev/wiki/Deprecated,
that should only happen two releases after the replacement is
available (so Go 1.22).
The deprecation of this package was part of the discussion
of proposal #52221. All that remains is waiting for the new
package to be widely available.
Change-Id: I580a4af6514eb77d7ec31b443d07259a4a2cf030
Reviewed-on: https://go-review.googlesource.com/c/go/+/453256
Reviewed-by: Roland Shoemaker <roland@golang.org>
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These should be marked deprecated, but that needs a
(likely quick) proposal review.
The proposal is #56921.
Change-Id: I013a913a7f5196a341e2dd5f49c2687c26ee8331
Reviewed-on: https://go-review.googlesource.com/c/go/+/453257
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uintptr case was not covered, so add test.
Change-Id: I894e06cb7db250d5dc1f14293c0d5834bfb00b9a
GitHub-Last-Rev: 92f8301cb0
GitHub-Pull-Request: golang/go#56912
Reviewed-on: https://go-review.googlesource.com/c/go/+/452955
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Reviewed-by: Rob Pike <r@golang.org>
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This was disabled in CL 452676 out of an abundance of caution,
but further analysis has shown that the failures were not being
caused by this optimization. Instead the sequence of commits was:
CL 450136 cmd/compile: handle simple inlined calls in staticinit
...
CL 449937 archive/tar, archive/zip: return ErrInsecurePath for unsafe paths
...
CL 451555 cmd/compile: fix static init for inlined calls
The failures in question became compile failures in the first CL
and started building again after the last CL.
But in the interim the code had been broken by the middle CL.
CL 451555 was just the first time that the tests could run and fail.
For #30820.
Change-Id: I65064032355b56fdb43d9731be2f9f32ef6ee600
Reviewed-on: https://go-review.googlesource.com/c/go/+/452817
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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There has been no proposal discussion about adding these notices.
Also, even if we did decide to add them, then since their replacements
are only appearing in Go 1.20, go.dev/wiki/Deprecation says that we
should wait until Go 1.22 to add the deprecation notice.
Filed #56906 for the proposal discussion.
Fixes#56905.
Change-Id: If86cce65aa00b4b62b2b18e82503431dcbdbcfed
Reviewed-on: https://go-review.googlesource.com/c/go/+/452761
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
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CL 450136 fixed a different copy of this error but missed this one.
With the compiler fix from CL 451555 rolled back to produce the error,
this is the text before this CL:
b.go:9:15: internal compiler error: 'init': Value live at entry. It shouldn't be. func init, node a.i, value nil
And this CL changes it to:
b.go:9:15: internal compiler error: 'init': value a.i (nil) incorrectly live at entry
matching the same change in the earlier CL.
Change-Id: I33e6b91477e1a213a6918c3ebdea81273be7d235
Reviewed-on: https://go-review.googlesource.com/c/go/+/452816
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Address the release notes TODO regarding the timeformat analyzer.
Change-Id: Ic132569d84d6e00eeed4ea49f2467e09af4b0756
Reviewed-on: https://go-review.googlesource.com/c/go/+/452915
Run-TryBot: Tim King <taking@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
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The plugin mechanism has a number of serious drawbacks.
This change documents them.
Fixes#56893
Change-Id: I1309ac8520f7471dd9ace5be28a8dc3339fdf2db
Reviewed-on: https://go-review.googlesource.com/c/go/+/452695
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Run-TryBot: Alan Donovan <adonovan@google.com>
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Auto-Submit: Alan Donovan <adonovan@google.com>
If needed, the built-in function append allocates a new underlying
array. While we (probably) don't want to specify exactly how much
is allocated (the prose is deliberately vague), if there's more
space allocated than needed (cap > len after allocation), that
extra space is zeroed. Use an explicit link to the section on
Allocation which explicitly states that newly allocated memory
is zeroed.
Fixes#56684.
Change-Id: I9805d37c263b87860ea703ad143f738a0846247e
Reviewed-on: https://go-review.googlesource.com/c/go/+/452619
Reviewed-by: Ian Lance Taylor <iant@google.com>
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At parse time we don't know if a[i] is an index expression or a
type (or function) instantiation. Because instantiations accept
a list of type arguments, and argument lists permit a trailing
comma, a[i,] is either an instantiation or index expression.
Document that a trailing comma is permitted in the syntax for
index expressions.
For comparison, the same problem arises with conversions which
cannot be distinguished from function calls at parse time. The
spec also permits a trailing comma for conversions T(x,). The
grammar adjustment is the same (see line 5239).
Fixes#55007.
Change-Id: Ib9101efe52031589eb95a428cc6dff940d939f9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/452618
Reviewed-by: Ian Lance Taylor <iant@google.com>
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This undoes the code (but not test) change from CL 451219, which turns
out to be slightly harmful on Windows (because it doesn't resolve the
file extension for an absolute CC path) and unnecessary elsewhere
(because calling LookPath on a fully-resolved executable path already
stats¹ that path before returning it).
¹https://cs.opensource.google/go/go/+/refs/tags/go1.19.3:src/os/exec/lp_unix.go;l=46;drc=027855e8d86f461b50946b006ea032d4b4a7d817
Change-Id: If8c5ba59cbcc9fc289e9325afb9ccdadf374b102
Reviewed-on: https://go-review.googlesource.com/c/go/+/452777
Reviewed-by: Michael Matloob <matloob@golang.org>
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The Go 1.20 code freeze has recently started. This is a time to
update the vendored copy.
Done by
cd GOROOT/src/cmd
go get -d github.com/google/pprof@latest
go mod tidy
go mod vendor
For #36905.
Change-Id: Iaec604c66ea8f4b7638a31bdb77d6dd56966e38a
Reviewed-on: https://go-review.googlesource.com/c/go/+/452815
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Update net/http to enable tests that pass with the latest update
to the vendored x/net.
Update a few tests:
Windows apparently doesn't guarantee that time.Since(time.Now())
is >=0, so to set a definitely-expired write deadline, use a time
firmly in the past rather than now.
Put a backoff loop on TestServerReadTimeout to avoid failures
when the timeout expires mid-TLS-handshake. (The TLS handshake
timeout is set to min(ReadTimeout, WriteTimeout, ReadHeaderTimeout);
there's no way to set a long TLS handshake timeout and a short
read timeout.)
Don't close the http.Server in TestServerWriteTimeout while the
handler may still be executing, since this can result in us
getting the wrong error.
Change the GOOS=js fake net implementation to properly return
ErrDeadlineExceeded when a read/write deadline is exceeded,
rather than EAGAIN.
For #49837
For #54136
Change-Id: Id8a4ff6ac58336ff212dda3c8799b320cd6b9c19
Reviewed-on: https://go-review.googlesource.com/c/go/+/449935
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
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This reverts CL 450375.
Reason for revert: This change causes test failures (and possibly other
problems) for users depending on the existing validation behavior.
Rolling back the change for now to give us more time to consider its
impact. This landed late in the cycle and isn't urgent; it can wait
for 1.21 if we do want to make the change.
Fixes#56884
For #56732
Change-Id: I082023c67f1bbb933a617453ab92b67abba876ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/452795
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Revise the code added in CL 452763 that skips some of the -race tests
on older windows builders. The old-style skip was doing a log.Printf,
which wound up being interpreted in "-list" mode. Fix is to pass in a
special rtPreFunc when registering the test (thanks Austin for the
fix suggestion).
Updates #56904.
Change-Id: Ia6ea31fb7f011b539173f47357ab3bf7389f256d
Reviewed-on: https://go-review.googlesource.com/c/go/+/452769
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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This change is being made late in the release cycle.
Disable it by default. Insecure path checks may be enabled by setting
GODEBUG=tarinsecurepath=0 or GODEBUG=zipinsecurepath=0.
We can enable this by default in Go 1.21 after publicizing the change
more broadly and giving users a chance to adapt to the change.
For #55356.
Change-Id: I549298b3c85d6c8c7fd607c41de1073083f79b1d
Reviewed-on: https://go-review.googlesource.com/c/go/+/452616
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Run-TryBot: Damien Neil <dneil@google.com>
The Go 1.20 code freeze has recently started. This is a time to update
all golang.org/x/... module versions that contribute packages to the
std and cmd modules in the standard library to latest master versions.
This CL updates them with x/build/cmd/updatestd.
For #36905.
Change-Id: Ie0ec91daeb848f00f64686003012297161ad02fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/452766
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Add a skip for the external-linkage part of the race detector test for
elderly versions of windows, until the underlying cause for the problem
can be determined.
Updates #56904.
Change-Id: I3e8650ff66f34efefabcd6bc343d57124539901b
Reviewed-on: https://go-review.googlesource.com/c/go/+/452763
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Auto-Submit: Than McIntosh <thanm@google.com>
This was an oversight from CL 452457 that I noticed while
investigating #56889.
This change essentially undoes CL 335409, which is no longer needed
after CL 450739 because we no longer attempt to use cgo by default
when no C compiler is present.
Updates #47257.
Updates #40042.
Updates #47215.
Change-Id: I29c7ce777a9ec7ba5820dc1d836b12a61b86bc37
Reviewed-on: https://go-review.googlesource.com/c/go/+/452677
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
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The gcc toolchain on the aix-ppc64 builder apparently does not achieve
reproducible builds for packages that use cgo, which causes the
binaries in cmd that use package "net" (cmd/go, cmd/pprof, and
cmd/trace) to appear stale whenever the Go build cache is cleared.
For now, we work around the staleness by rebuilding std and simply not
checking whether cmd is stale.
For #56896.
Updates #47257.
Change-Id: I15f86e72dee53904b881710d5d5d613872361510
Reviewed-on: https://go-review.googlesource.com/c/go/+/452680
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ayappan Perumal <ayappanec@gmail.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
If the build cache is cleaned (using 'go clean -cache' or similar), or
if a toolchain is freshly installed without warming the cache, the
build cache might not contain the dependencies needed to verify that
cmd/addr2line is not stale. In that case, the test should refill the
cache instead of failing.
Fixes#56889.
Change-Id: Ic6cf13b92bafa9c795e50eb0e4e1a9ae00ee8538
Reviewed-on: https://go-review.googlesource.com/c/go/+/452458
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
