If we run 'go get go@1.40' or 'go get m@v' where m has a go.mod
that says 'go 1.40', we need to write a new go.mod that says 'go 1.40'.
But we can't be sure we know how to write a Go 1.40-compatible go.mod.
Instead, download the latest point release of Go 1.40 and invoke it to
finish the get command.
For #57001.
Change-Id: I4133fc3c2ecf91226a6c09a3086275ecc517e223
Reviewed-on: https://go-review.googlesource.com/c/go/+/498118
TryBot-Result: Gopher Robot <gobot@golang.org>
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Auto-Submit: Russ Cox <rsc@golang.org>
This patch reverts a portion of the changes in CL 443715, specifically
the code in initorder that treats coverage counter variables as special
with respect to init order. The special casing is no longer needed
now after a change to the way coverage instrumention is done (the go and
cover cmds now make sure that coverage variables appear first in
the compilation order).
Updates #56293.
Change-Id: Idf803ff4c1a095e88d455a6adcd63991687eb288
Reviewed-on: https://go-review.googlesource.com/c/go/+/499216
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This patch contains a revised fix for issue #56293, switching to a
scheme in which coverage counter variables and meta-data variables are
written to a separate output file as opposed to being tacked onto the
end of an existing rewritten source file.
The advantage of writing counter vars to a separate file is that the
Go command can then present that file as the first source file to the
compiler when the package is built; this will ensure that counter
variable are treated as lexically "before" any other variable that
might call an instrumented function as part of its initializer.
Updates #56293.
Change-Id: Iccb8a6532b976d36ccbd5a2a339882d1f5d19477
Reviewed-on: https://go-review.googlesource.com/c/go/+/499215
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Also mention errors that implement it.
For #41198
Change-Id: I4f01b112f53b19e2494b701bb012cb2cb52f8962
Reviewed-on: https://go-review.googlesource.com/c/go/+/498775
Reviewed-by: Eli Bendersky <eliben@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
For #57436
Change-Id: I99e8b0819c76f1ccf12154a894c9c4c9d68124d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/498602
Reviewed-by: Eli Bendersky <eliben@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
For #56539
For #59166
Change-Id: Ief392464916a1a74a8fcc6c3c7bdb213e8c6ef98
Reviewed-on: https://go-review.googlesource.com/c/go/+/498601
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Before CL 471595, modload.readModGraph in module with graph pruning
enabled only ever chased down transitive dependencies of unpruned
roots, so pruned dependencies couldn't cause cycles and we didn't
need to dedup them in the loading queue.
However, in 'go get' we are now passing in a set of upgraded modules
to unprune, and those upgraded modules can potentially contain cycles,
leading to an infinite loop during loading.
We have two options for a fix: we could either drop the 'unprune'
check in the enqueue operation (and instead expand the 'unprune'
requirements in a separate pass, as we do in workspace mode), or we
could check for cycles for all modules (not just the ones that are
naturally unpruned). The latter option makes it clearer that this
process must terminate, so we choose that.
(It may be possible to clean up and simplify the workspace-mode case
now that we are passing in the 'unprune' map, but for now we're
looking for a minimal fix for the Go 1.21 release.)
Fixes#60490.
Change-Id: I701f5d43a35e357f6c0c0c9d10b7aa088f917311
Reviewed-on: https://go-review.googlesource.com/c/go/+/499195
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Auto-Submit: Bryan Mills <bcmills@google.com>
GetComputerName expects n to be the size of the buffer, and
on output contains the number of characters copied to the buffer.
CL 493036 broke ComputerName by always setting n to 0.
Change-Id: I3f4b30d2f9825d321a6d28ec82bdc7b6294e04e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/499035
Run-TryBot: Quim Muntal <quimmuntal@gmail.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Cover flag documentation was not up to date, and the -covermode flag
documentation was missing.
Fixes#60438
Change-Id: I11e769fa2a32d074de7a748aa534afdfe2ca4e78
Reviewed-on: https://go-review.googlesource.com/c/go/+/498415
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Reviewed-by: Than McIntosh <thanm@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Also move all the language changes to the same part of the release notes.
For #56351
For #57411
Change-Id: Id1c51b5eb8f7d85e61a2ae44ee7d73bb13036631
Reviewed-on: https://go-review.googlesource.com/c/go/+/498755
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Currently we only track visited (copied) packages when a copy is
required. When a copy is not required, we will rewalk each package's
entire dependency graph every time we see it, which is terribly
inefficient.
Pull the visited package check up a level so that we visit packages only
once regardless of how many times they are visited.
Fixes#60455.
Fixes#60428.
Change-Id: I4e9b31eeeaa170db650c461a5de2ca984b9aba0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/498735
Run-TryBot: Bryan Mills <bcmills@google.com>
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Auto-Submit: Michael Pratt <mpratt@google.com>
Also mention WTF-8 support in the syscall package.
For #32558
For #58977
For #59971
Change-Id: Id1627889b5e498add498748d9bfc69fb58030b35
Reviewed-on: https://go-review.googlesource.com/c/go/+/498600
Reviewed-by: Eli Bendersky <eliben@google.com>
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Added Value.Clear, deprecated SliceHeader and StringHeader.
For #55002
For #56906
Change-Id: Ib7497aff830d56fad90c31ec28596e71a448e9ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/498757
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
For #46159
Change-Id: Ia9cc0827a89d362532d1a662b791de8eebbfb2fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498756
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Remove x/ repos changes that aren't part of the 1.21 release.
Change-Id: Ia5cbf02ed6c0cc4dc0ff80d68403723b3f9ae0ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/498596
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Alan Donovan <adonovan@google.com>
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The go command already places $GOROOT/bin at the beginning of $PATH in
the test's environment as of Go 1.19¹, so there's no need for the test
to do it anymore. Start enjoying yet another benefit of using 'go test'.
¹ See go.dev/issue/57050.
For #56844.
Change-Id: If7732cd8b8979eabf185485d3c73858a4e546d69
Reviewed-on: https://go-review.googlesource.com/c/go/+/498271
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Clean up a stray reference in the docs to 'mkalldocs.sh', which no
longer exists (was replaced by a Go program, in 676794f73e).
Change-Id: I058e86395b14756d7afc184f99f89dbc5ba0184e
Reviewed-on: https://go-review.googlesource.com/c/go/+/498715
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
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CL 494915 broke non-blocking I/O on wasip1 for files
opened with os.NewFile. This is fixed by providing an
implementation of fcntl(F_GETFL) for wasip1.
Change-Id: I78979076b95495fd4b94814552e5f5b043270cd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/498195
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Achille Roussel <achille.roussel@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
The PATH variable is required to run the testenv tests.
Set it for all the runtime invocations where we don't
already set it by inheriting from the environment.
For #59583
For #59907
For #60097
Change-Id: If582dd8f086e3f40bc58d555f6034dcffe6f8e5f
Reviewed-on: https://go-review.googlesource.com/c/go/+/498616
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Run-TryBot: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
One of the changes also affects the os package, so mention it
there too.
For #46259
Change-Id: I8041a5ce009725ab210118ee668fc94196d9ff82
Reviewed-on: https://go-review.googlesource.com/c/go/+/498376
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>
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Fixes#40385
Change-Id: I965b5db985fd4418a992e883073cbc8309b2cb88
Reviewed-on: https://go-review.googlesource.com/c/go/+/498355
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Add a short release note blurb on linker dead-coding of global map
variables.
Updates #58645.
Change-Id: Ibfdd3e2b2b78517db4245b1d7eedd5e75a643b47
Reviewed-on: https://go-review.googlesource.com/c/go/+/498575
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Bypass: Than McIntosh <thanm@google.com>
This comment claims mark termination re-scans stacks and uses the
write barrier to determine how much of the stack needs to be
rescanned. This hasn't been true since we introduced the hybrid write
barrier and deleted stack rescanning with CL 31766 in Go 1.8.
Updates #17503 I suppose.
Change-Id: I5e90f25020c9fa6f146ec6ed0642ba2b4884c2a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/498435
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Found by the vet check that runs with 'go test cmd/go/internal/modget'.
For #57001.
For #60463.
Change-Id: I4be94f7156724459a5c47bb9745cbb5651fb972c
Reviewed-on: https://go-review.googlesource.com/c/go/+/498270
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
A reference to a function in a "var _ = ..." init-time
initialization keeps the symbol live. Move references to
Config.EncryptTicket and Config.DecryptTicket into tests.
These references increase the size of an unused import of
crypto/tls by about 1MiB.
Change-Id: I6d62a6dcbd73e22972a217afcda7395e909b52cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/498595
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For #37708
Change-Id: I7b04d6331c15771c7d74ff77afd523c435e0dafe
Reviewed-on: https://go-review.googlesource.com/c/go/+/498396
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Eli Bendersky <eliben@google.com>
Reviewed-by: Eli Bendersky <eliben@google.com>
For #44855
Change-Id: I517394b227ea948ed3e1f9ffdaab2bb2676863c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/496795
TryBot-Bypass: Dmitri Shuralyov <dmitshur@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>
Run-TryBot: Ian Lance Taylor <iant@google.com>
The earlier CL 497675 for #60304 introduced a behavior change
that, while not strictly a bug, caused a bunch of test failures
in a large codebase. Rather than add behavior changes in a 10 year
old package, revert to the old behavior: a context cancelation
between Rows.Next reporting false and a call to Rows.Err should
not result in Rows.Err returning the context error.
That behavior was accidentally added in CL 497675 as part of changing
how contexts and Rows iteration worked.
Updates #60304
Updates #53970
Change-Id: I22f8a6a6b0b5a94b430576cf50e015efd01ec652
Reviewed-on: https://go-review.googlesource.com/c/go/+/498398
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For #59488.
Change-Id: Iefabb06014767c5f633082a112a81e9ff5f09a30
Reviewed-on: https://go-review.googlesource.com/c/go/+/498397
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Showing the full path (relative to the current directory)
instead of just foo.txt lets editors that understand file:line
jump straight to the file without having to edit it to say
testdata/script/ first.
Change-Id: I44177b687249f3c7c724b45d02f5167607369e1b
Reviewed-on: https://go-review.googlesource.com/c/go/+/498119
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
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For #57348
Change-Id: I84943711b033d63f0993133f93d9f09ce2af5965
Reviewed-on: https://go-review.googlesource.com/c/go/+/498395
Reviewed-by: Eli Bendersky <eliben@google.com>
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Two interface types that are assignable don't have to be identical;
specifically, if they are defined types, they can be different
defined types. If those defined types specify type parameters which
are never used, do not infer a type argument based on the instantiation
of a matching defined type.
Adjusted three existing tests where we inferred type arguments incorrectly.
Fixes#60377.
Change-Id: I91fb207235424b3cbc42b5fd93eee619e7541cb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/498315
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For #59488.
Change-Id: I50f65216bf02b42c1e0619702833f4a6dbed8925
Reviewed-on: https://go-review.googlesource.com/c/go/+/498136
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
and begin and end with the same package to demonstrate the cyclical
nature of the stack. Also fix the list_test_cycle script test
which was testing for the wrong behavior.
Fixes#59970
Change-Id: I3b3ee6762ee121fec19688ff1823cdfddae94f53
Reviewed-on: https://go-review.googlesource.com/c/go/+/498115
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
A var is problematic because the zero value is already false,
so if it goes away, it will appear to be false.
I'm also not sure about go:linkname on vars,
so switch to func for both reasons.
Also add a test.
Change-Id: I2318a5390d98577aec025152e65543491489defb
Reviewed-on: https://go-review.googlesource.com/c/go/+/498261
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Reviewed-by: Austin Clements <austin@google.com>
Suggested by bcmills in CL 497555 review but easier to do at the
top of the stack.
For #57001.
Change-Id: I6f2cc0f546e8d6b1e03c7335a89f07dcb45cf5b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/498077
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Allow both prefix-goVERSION and goVERSION-suffix for custom toolchains.
Also make sure that a tie in the toolchain and min version goes to the
toolchain line.
For #57001.
Change-Id: Ibeea5f47db7349cfdf36da188bb43e195e196f5b
Reviewed-on: https://go-review.googlesource.com/c/go/+/498076
Auto-Submit: Russ Cox <rsc@golang.org>
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go get go@version and toolchain@version updates the
go and toolchain lines in go.mod. If toolchain ends up <= go,
it is dropped.
When the go version crosses certain version boundaries,
it may be necessary to run 'go mod tidy -go=version'.
That's left for a followup CL.
When the go or toolchain version ends up higher than the
current toolchain version, we cannot be sure we know how
to write the file out, so we fail with an error message.
In GOTOOLCHAIN auto mode, the newer toolchain should
be downloaded and reinvoked; that's left for a followup CL too.
For #57001.
Change-Id: Ibfdcc549b40555a53bdb2d019816d18f1bd16be6
Reviewed-on: https://go-review.googlesource.com/c/go/+/497081
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Reviewed-by: Bryan Mills <bcmills@google.com>
The original code only handled go install m@v1.0.0
but not queries like go install m@v1 or m@master.
Handle those by invoking more of the module machinery.
For #57001.
Change-Id: I7d54fc3dd65072e5906a17ff95b407b0f7feac69
Reviewed-on: https://go-review.googlesource.com/c/go/+/497879
Run-TryBot: Russ Cox <rsc@golang.org>
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In general an older version of Go does not know how to construct
a module written against a newer version of Go: the details may
change over time, such as for issues like #42965 (an ignore mechanism).
For #57001.
Change-Id: Id43fcfb71497375ad2eb5dfd292bad0adca0652e
Reviewed-on: https://go-review.googlesource.com/c/go/+/497795
Run-TryBot: Russ Cox <rsc@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
CL 498255 made runtime/internal/wasitest compatible with all platforms
so that "go test std" works again. This means it no longer has to be
in the special dist test list.
While we're here explain the purpose of this list better and implore
people to please not expand it, since almost any addition is a sign
that "go test std cmd" no longer works.
Change-Id: I31c7fb767787fa587f65c2697aed9ed43e95fb18
Reviewed-on: https://go-review.googlesource.com/c/go/+/498256
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Austin Clements <austin@google.com>
Disable the android and ios builds since cross-compiling fails there.
Also make runtime/internal/wasitest not build on systems that don't
have syscall.Mkfifo for it to use (including, ironically, wasm itself).
Change-Id: I28eb1f216f9952f81a107056e97ee38e350f9287
Reviewed-on: https://go-review.googlesource.com/c/go/+/498255
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
