The large-function phi placement algorithm evidently doesn't like the
same pseudo-variable being used to represent expressions of varying
types.
Instead, use the same tactic as used for "valVar" (ssa.go:6585--6587),
which is to just generate a fresh marker node each time.
Maybe we could just use the OMIN/OMAX nodes themselves as the key
(like we do for OANDAND/OOROR), but that just seems needlessly risky
for negligible memory savings. Using fresh marker values each time
seems obviously safe by comparison.
Fixes#61041.
Change-Id: Ie2600c9c37b599c2e26ae01f5f8a433025d7fd08
Reviewed-on: https://go-review.googlesource.com/c/go/+/506679
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
The slog check is new and no existing code uses slog (it's new too),
so there are no concerns about false positives in existing code.
Enable it by default.
Change-Id: I4fc1480eeb5a3acc9e5e095e9d5428f5ce04b121
Reviewed-on: https://go-review.googlesource.com/c/go/+/505915
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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The required gc bootstrap compiler, 1.17, has an internal/lazyregexp
package. It permits that package to be imported by internal/profile
while bootstrapping. The gccgo compiler also has an internal/lazyregexp
package, but it does not permit the gc compiler to import it.
Permit bootstrapping with gccgo by adding internal/lazyregexp to the
list of bootstrap directories.
The gccgo compiler recognizes the magic functions internal/abi.FuncPCABI0
and FuncPCABIInternal, but only in the internal/abi package, not
in the bootstrapping internal/abi package.
Permit bootstrapping with gccgo by adding definitions of those functions
with build tags so that they are only used by gccgo.
Fixes#60913
Change-Id: I3a78848d545db13314409d170d63f4cc737ca12e
Reviewed-on: https://go-review.googlesource.com/c/go/+/505036
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Austin Clements <austin@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
For float or string, min/max builtin performs a runtime call, so we need
to save its result to temporary variable. Otherwise, the runtime call
will clobber closure's arguments currently on the stack when passing
min/max as argument to closures.
Fixes#60990
Change-Id: I1397800f815ec7853182868678d0f760b22afff2
Reviewed-on: https://go-review.googlesource.com/c/go/+/506115
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
The invention of base32 and base64 predates the invention of UTF-8
and was never meant to output valid UTF-8.
By default, the output is always valid ASCII (and thus valid UTF-8)
except when the user specifies an alphabet or padding value
that is larger than '\x7f'. If that is done,
then the exact byte symbol is used rather than the UTF-8 encoding.
Fixes#60689
Change-Id: I4ec88d974ec0658ad1a578bbd65a809e27c73ea7
Reviewed-on: https://go-review.googlesource.com/c/go/+/505237
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
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SysProcAttr.NoInheritHandles doc comment is not clear about which
handles are affected by it. This CL clarifies that it not only affects
the ones passed in AdditionalInheritedHandles, but also the ones
passed in ProcAttr.Files, which are required to be stderr, stdin and
stdout when calling syscall.StartProcess.
Updates #60942
Change-Id: I5bc5b3604b6db04b83f6764d5c5ffbdafeeb22fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/505515
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Reviewed-by: Carlos Amedee <carlos@golang.org>
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Try to set stdio to non-blocking mode before the os package
calls NewFile for each fd. NewFile queries the non-blocking flag
but doesn't change it, even if the runtime supports non-blocking
stdio. Since WebAssembly modules are single-threaded, blocking
system calls temporarily halt execution of the module. If the
runtime supports non-blocking stdio, the Go runtime is able to
use the WASI net poller to poll for read/write readiness and is
able to schedule goroutines while waiting.
Change-Id: I1e3ce68a414e3c5960ce6a27fbfd38556e59c3dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/498196
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Auto-Submit: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Achille Roussel <achille.roussel@gmail.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
This resolves an open question.
No non-comment code changes.
Change-Id: Idc92794090b2dde694394d1fcd916f6ea61f03e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/506395
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When unification of two types succeeds and at least one of them
is an interface, we must be more cautious about when to accept
the unification, to avoid order dependencies and unexpected
inference results.
The changes are localized and only affect matching against
interfaces; they further restrict what are valid unifications
(rather than allowing more code to pass). We may be able to
remove some of the restriotions in a future release.
See comments in code for a detailed description of the changes.
Also, factored out "asInterface" functionality into a function
to avoid needless repetition in the code.
Fixes#60933.
Fixes#60946.
Change-Id: I923f7a7c1a22e0f4fd29e441e016e7154429fc5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/505396
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Print the unification mode in human-readable form.
Use a tab and // instead of ()'s to show unification mode
and whether operands where swapped.
These changes only affect inference trace output, which is
disabled by default. For easier debugging.
For #60933.
Change-Id: I95299c6e09b90670fc45addc4f9196b6cdd3b59f
Reviewed-on: https://go-review.googlesource.com/c/go/+/505395
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Reviewed-by: Robert Griesemer <gri@google.com>
RevocationList.RevokedCertificates has been deprecated and
replaced with the new RevocationList.RevokedCertificateEntries field,
not RevocationList.Entries.
Change-Id: I36053e0d67a9997264483d1e04e31774fbab8702
GitHub-Last-Rev: a9f6949b05
GitHub-Pull-Request: golang/go#60984
Reviewed-on: https://go-review.googlesource.com/c/go/+/505935
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
Fixes#60978
Change-Id: I3e4bd366dc30ac435698b8f17170695330034683
Reviewed-on: https://go-review.googlesource.com/c/go/+/505795
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Sameer Ajmani <sameer@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Our large-function phi placement algorithm is incompatible with phi
opcodes already existing in the SSA representation. Instead, use simple
variable assignments and have the phi placement algorithm place the phis
we need for min/max.
Turns out the small-function phi placement algorithm doesn't have this
sensitivity, so this bug only occurs in large functions (>500 basic blocks).
Maybe we should document/check that no phis are present when we start
phi placement (regardless of size). Leaving for a potential separate CL.
We should probably also fix the placement algorithm to handle existing
phis correctly. But this CL is probably a lot smaller/safer than
messing with phi placement.
Fixes#60982
Change-Id: I59ba7f506c72b22bc1485099a335d96315ebef67
Reviewed-on: https://go-review.googlesource.com/c/go/+/505756
Reviewed-by: Keith Randall <khr@google.com>
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They should return the first of equal elements. No such clarification
is required for Min/Max as for them equal elements are indistinguishable.
For #60091
Change-Id: Iad58115d482add852c811e993131702b5b3bec5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/505796
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Rename the old TestPlatformVerifier to TestPlatformVerifierLegacy, and
add TODO about removing it once the synthetic root is widely deployed on
builders.
Updates #52108
Change-Id: I6cdba268e4738804c7f76ea18c354470b3e0318c
Reviewed-on: https://go-review.googlesource.com/c/go/+/505755
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Bryan Mills <bcmills@google.com>
When reusing a g struct the runtime did not reset
g.raceignore. Initialize raceignore to zero when initially
setting racectx.
A goroutine can end with a non-zero raceignore if it exits
after calling runtime.RaceDisable without a matching
runtime.RaceEnable. If that goroutine's g is later reused
the race detector is in a weird state: the underlying
g.racectx is active, yet g.raceignore is non-zero, and
raceacquire/racerelease which check g.raceignore become
no-ops. This causes the race detector to report races when
there are none.
Fixes#60934
Change-Id: Ib8e412f11badbaf69a480f03740da70891f4093f
Reviewed-on: https://go-review.googlesource.com/c/go/+/505055
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Run-TryBot: Michael Knyszek <mknyszek@google.com>
CL 410344 fixed missing method value wrapper, by visiting body of
wrapper function after applying inlining pass.
CL 492017 allow more inlining of functions that construct closures,
which ends up making the wrapper function now inlineable, but can
contain closure nodes that couldn't be inlined. These closures body may
contain OMETHVALUE nodes that we never seen, thus we need to scan
closures body for finding them.
Fixes#60945
Change-Id: Ia1e31420bb172ff87d7321d2da2989ef23e6ebb6
Reviewed-on: https://go-review.googlesource.com/c/go/+/505255
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Also switch internal/platform to commit the generated code instead of
regenerating it in cmd/dist. Nothing in the generated code depends on
the target configuration, and committing the source file makes it
more amenable to searching and indexing (particularly on
https://cs.opensource.google/go/go).
For #60939.
Change-Id: I9133dfd5129b3c4d7457267589dfac5e7ecbef65
Reviewed-on: https://go-review.googlesource.com/c/go/+/505175
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Change the cover command to accept arguments via response files, using
the same mechanism employed for the compiler and the assembler. This
is needed now that the cover tool accepts a list of all source files
in a package, as opposed to just a single source file, and as a result
can run into system-dependent command line length limits.
Fixes#60785.
Change-Id: I67dbc96ad9fc5c6f43d5c1e4e903e4b8589b154f
Reviewed-on: https://go-review.googlesource.com/c/go/+/503735
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Due to the semantics of roots, a root store may contain two valid roots
that have the same subject (but different SPKIs) at the asme time. As
such in testVerify it is possible that when we verify a certificate we
may get two chains that has the same stringified representation.
Rather than doing something fancy to include keys (which is just overly
complicated), tolerate multiple matches.
Fixes#60925
Change-Id: I5f51f7635801762865a536bcb20ec75f217a36ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/505035
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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We parse mail messages using net/textproto. For #53188, we tightened
up the bytes permitted by net/textproto to match RFC 7230.
However, this package uses RFC 5322 which is more permissive.
Restore the permisiveness we used to have, so that older code
continues to work.
Fixes#58862Fixes#60332
Change-Id: I5437f5e18a756f6ca61c13c4d8ba727be73eff9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/504416
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Run-TryBot: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Change-Id: Idd872c5b90dbca564ed8a37bb3683e642142ae63
Reviewed-on: https://go-review.googlesource.com/c/go/+/505015
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Change-Id: Ie71bc41bd7f1aecf6ce69a8b310668fdd03da42b
Reviewed-on: https://go-review.googlesource.com/c/go/+/504880
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rhys Hiltner <rhys@justin.tv>
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Reviewed-by: Eli Bendersky <eliben@google.com>
For #57752Fixes#60924
Change-Id: Ie1e16c041885abb51dd6c2f0b7dfa03091cfb338
Reviewed-on: https://go-review.googlesource.com/c/go/+/504879
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Reviewed-by: Eli Bendersky <eliben@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
There's more I could list here, but the mapping becomes more complicated
and more fragile. I think this is sufficient to start with.
Fixes#46846.
Change-Id: I6803486a64888b2f38e244b8e2175ad064d648ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/504115
Reviewed-by: Michael Pratt <mpratt@google.com>
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Running go test -parallel=1 -v, these are the top 10 tests:
PASS: TestScript/mod_invalid_version 40.14s
PASS: TestScript/build_cache_output 46.82s
PASS: TestScript/get_legacy 48.69s
PASS: TestTestCache 58.44s
PASS: TestScript/mod_get_direct 62.88s
PASS: TestScript/build_pgo_auto_multi 63.49s
PASS: TestScript/build_pgo_auto 70.69s
PASS: TestScript/gcflags_patterns 95.17s
PASS: TestScript/mod_list_compiled_concurrent 124.31s
PASS: TestScript/vet_flags 202.85s
Change the top 5 not to run builds at all, so they don't
have to use -a or clear the go build cache.
mod_get_direct should be replaced with a vcs-test test.
mod_invalid_version should be replaced with a vcs-test test.
get_legacy should be deleted eventually.
Change-Id: Id67c458b1a96c912d89cbece341372c2ef5ee082
Reviewed-on: https://go-review.googlesource.com/c/go/+/504536
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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n.TypeCheck() == 3 is never true now, in n.SetTypecheck(x), when x > 2,
it panic.
Change-Id: Ic876680435d4536eb63dcedee20a07ccdf918b91
Reviewed-on: https://go-review.googlesource.com/c/go/+/504435
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Auto-Submit: Matthew Dempsky <mdempsky@google.com>
It said that Attrs with an empty key are ignored.
In fact, zero Attrs are ignored.
Fixes#60870.
Change-Id: I221d3a25b0f0cc9001e06e9cc76bab29292c0741
Reviewed-on: https://go-review.googlesource.com/c/go/+/504535
Run-TryBot: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
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Size is defined as returning -1 if the type is not fixed-size.
Before this CL cases like Size((*[]int)(nil)) would crash.
Fixes#60892
Change-Id: Iee8e20a0aee24b542b78cb4160c3b2c5a3eb02c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/504575
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Try to avoid fixes from automatic spell checkers.
Change-Id: I1d134fb2721decffa865a3f4d78bca4fce8e8fee
Reviewed-on: https://go-review.googlesource.com/c/go/+/502658
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
We do not index std as a whole module ever.
When working in the main Go repo, files in package change often,
so we don't want to pay the cost of reindexing all of std when what
we really need is just to reindex strings. Per-package indexing
works better for that case.
When using a released Go toolchain, we don't have to worry about
the whole module changing, but if we switch to whole-module indexing
at that point, we have the potential for bugs that only happen in
released toolchains. Probably not worth the risk.
For similar reasons, we don't index the current work module as
a whole module (individual packages are changing), so we use the heuristic
that we only do whole-module indexing in the module cache.
The new toolchain modules live in the module cache, though, and
our heuristic was causing whole-module indexing for them.
As predicted, enabling whole-module indexing for std when it's
completely untested does in fact lead to bugs (a very minor one).
This CL turns off whole-module indexing for std even when it is
in the module cache, to bring toolchain module behavior back in
line with the other ways to run toolchains.
For #57001.
Change-Id: I5012dc713f566846eb4b2848facc7f75bc956eb9
Reviewed-on: https://go-review.googlesource.com/c/go/+/504119
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They have to be renamed to _go.mod to make a valid module.
Copy them back to go.mod so that 'go test cmd' has a better
chance of working.
For #57001.
Change-Id: Ied6f0dd77928996ab322a55c5606d7f75431e362
Reviewed-on: https://go-review.googlesource.com/c/go/+/504118
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Modules cannot contain go.mod files except at the root
(and we don't keep one at the root). Rename the other go.mod
files to _go.mod.
dl2mod, which we used to convert all the old releases,
did this renaming, but it was missed when porting that
code to distpack.
For #57001.
Fixes#60847.
Change-Id: I4d646b96b5be15df3b79193e254ddc9b11cc8734
Reviewed-on: https://go-review.googlesource.com/c/go/+/503979
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There is a chicken and egg problem with always requiring
the checksum database for toolchain module downloads, since the
checksum database populates its entry by doing its own module
download.
Don't require the checksum database for GOPROXY=file:/// (for local testing)
and when running on the Go module mirror.
For #60847.
Change-Id: I5d67d585169ae0fa73109df233baae8ba5fe5dd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/503978
Reviewed-by: Bryan Mills <bcmills@google.com>
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This is intended for the specific case of 'fmahash=qn' where someone
wants to disable fma without all the hash-search-handshake output.
There are cases where arm64, ppc64, and s390x users might want to do
this.
Change-Id: Iaf46c68a00d7c9f7f82fd98a4548b72610f84bed
Reviewed-on: https://go-review.googlesource.com/c/go/+/503776
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
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Change-Id: I6db8ce8d7e0a1cb3d955493fa49eb7dff372eb38
Reviewed-on: https://go-review.googlesource.com/c/go/+/504375
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
When make slice of retractions, it should have initial length zero, to append more VersionIntervals.
Currently without the zero length, the capacity used will be doubled after the appending, looks like a bug.
Change-Id: Id3acaeffe557ca1d15c864b0377a66fee3a41f6c
GitHub-Last-Rev: ed5fd5f678
GitHub-Pull-Request: golang/go#60354
Reviewed-on: https://go-review.googlesource.com/c/go/+/497118
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Fixes#34396
Change-Id: I35c4e3447f84e349adf7edba92ccb19b324bfe14
GitHub-Last-Rev: 4f06764109
GitHub-Pull-Request: golang/go#60763
Reviewed-on: https://go-review.googlesource.com/c/go/+/502815
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
cmd/distpack deletes that module from its distribution.
For #24904.
Change-Id: I69dd328d0f790a49db7a053d703ae985d9ebe9e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/504060
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
