CL 496037 had ignored 3 types of null route, however blackhole route
is not included i.e. on Linux we can add a blackhole route by
`ip route add blackhole 198.18.0.254/32`
Fixes#61590
Change-Id: I9ddb86c5be0e5e261afa96cbaf55d9fdf30b2795
Reviewed-on: https://go-review.googlesource.com/c/go/+/513595
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: M Zhuo <mzh@golangcn.org>
Change-Id: I534698008b46b23352d9f1fed891fd96dc0947b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/507115
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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The dist test name changed from "race" to "flag:race", "net:race",
"os:race" and so on in CL 496181, we missed that this skip was checking
the exact dist test name, and no builder reported a problem despite the
skip becoming inactive.
I considered deleting it as obsolete, but it may still be helpful
if someone runs race.bash on a linux/arm64 machine configured with
something other than the supported 48-bit VMA. So for now apply a
simple change to restore the existing skip.
Hopefully one day there will be a good way to check for unsupported VMA
size and disable the race detector conditionally instead of relying on
tests running, failing, and getting marked as skipped in cmd/dist.
For #29948.
For #37486.
Change-Id: I8af6862c92fb0ee538ab27327d43c50921bd1873
Reviewed-on: https://go-review.googlesource.com/c/go/+/512116
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Austin Clements <austin@google.com>
Document work fields a bit more, and move code that
synthesizes JSON-encoded skip events to testjson.go.
For #37486.
For #61557.
Change-Id: Iffc23cf990bc39696e1e3fce8ce5a6790fc44e78
Reviewed-on: https://go-review.googlesource.com/c/go/+/512115
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
A small number of tests in the main tree are currently skipped in LUCI
because our builders there run tests without root. Unfortunately, these
tests begin to run when run under 'unshare -n -r' as implemented in
the current iteration of a no-network check. Add targeted builder-only
skips so that they don't begin to run and fail with a false positive.
Updates #10719.
For #30612.
Change-Id: I6dd320714a279c395882c1b2ebfbb2fce58f913b
Reviewed-on: https://go-review.googlesource.com/c/go/+/513779
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Tests that need to use the internet are expected not to run when -short
test flag is set, and the Go build system automatically catches when a
test forgets that. It does this by unsharing all real network interfaces
and leaving only a loopback interface in a new network namespace.
TestUnshare tests that a process started with CLONE_NEWNET unshare flag
has fewer network interfaces than before. Of course, if /proc/net/dev
starts out with a single loopback interface, the test would fail with
a false positive:
=== RUN TestUnshare
exec_linux_test.go:139: Got 3 lines of output, want <3
--- FAIL: TestUnshare (0.00s)
Give the test what it wants: a skip when the environment doesn't meet
the minimum requirements for the test, and more useful log output if
it fails.
Change-Id: I6b9c29d88ce725e640a7ee86c7e1be9761f21b02
Reviewed-on: https://go-review.googlesource.com/c/go/+/513762
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Change-Id: I93a5e0996e48cc74e6b2e39c3a4c7aa68fd6a3a0
GitHub-Last-Rev: afd8feb0de
GitHub-Pull-Request: golang/go#61137
Reviewed-on: https://go-review.googlesource.com/c/go/+/507517
Run-TryBot: Keith Randall <khr@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
The -json flag is new to Go 1.21, but missed skips in runPending.
This CL adds minimal code to fix that. CL 512115 cleans up a bit.
For #37486.
Fixes (via backport) #61557.
Change-Id: I53e426c9a5585b2703f0ff6661a0470e1993f960
Reviewed-on: https://go-review.googlesource.com/c/go/+/512719
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
As far a I can tell, there's currently no situation where this feature
detection will report a different result per request, so default to
doing once per process until there's evidence that doing it more often
is worthwhile.
Change-Id: I567d3dbd847af2f49f2e83cd9eb0ae61d82c1f83
Reviewed-on: https://go-review.googlesource.com/c/go/+/513459
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
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Currently on s390x, tan assembly implementation is not handling huge arguments at all. This change is to check for large arguments and revert back to native go implantation from assembly code in case of huge arguments.
The changes are implemented in assembly code to get better performance over native go implementation.
Benchmark details of tan function with table driven inputs are updated as part of the issue link.
Fixes#37854
Change-Id: I4e5321e65c27b7ce8c497fc9d3991ca8604753d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/470595
Reviewed-by: Keith Randall <khr@google.com>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Replace reflect.PtrTo with reflect.PointerTo.
Fixes#59599
Change-Id: I49407193e2050543ef983cd637703acc682d9f51
Change-Id: I49407193e2050543ef983cd637703acc682d9f51
GitHub-Last-Rev: 7bc9ccf1dc
GitHub-Pull-Request: golang/go#61440
Reviewed-on: https://go-review.googlesource.com/c/go/+/511035
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
AIX and Solaris call into libc for syscalls, and expect M.mOS.perrno
to point to the thread-local errno value for the current M.
We initialize that field in miniterrno called from mstart.
However, this means that any libc calls before mstart will not
return the correct errno value.
This caused trouble in checkfds, which runs very early, before mstart.
We worked around that in 513215. This CL reverts 513215 in favor
of a better workaround: call miniterrno for m0 earlier (we will
still wind up calling miniterrno again from mstart, which does
no harm).
This is a better workaround because it means that if we add future
syscalls before mstart, they will behave as expected.
Fixes#61584
Change-Id: Ib6a0d3c53d2c8214cc339a5019f9d4f71a746f0c
Reviewed-on: https://go-review.googlesource.com/c/go/+/513535
Reviewed-by: Ian Lance Taylor <iant@google.com>
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I considered deleting mustHaveExternalNetwork in favor of just using
the real testenv.MustHaveExternalNetwork. That certainly makes these
tests that call it easier to understand. But that negatively affects
some ports that don't have a longtest builder as it'd make the tests
not run automatically on any builder at all.
So, make a minimal change that applies only to GOOS=linux for now.
If we make more progress on establishing -longtest builders for all
ports, this intermediate layer helper will cease to have any benefit
and can be deleted in favor of the one in testenv package.
Change-Id: Iaea207d98e780db429ab49e6e227650a8b35b786
Reviewed-on: https://go-review.googlesource.com/c/go/+/513416
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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Change-Id: I7f4ac72fe3230d8b7486fab0c925015cefcbe355
GitHub-Last-Rev: 54455839b6
GitHub-Pull-Request: golang/go#61544
Reviewed-on: https://go-review.googlesource.com/c/go/+/512376
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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HOSTOBJ and UNDEFEXT symbols are actually not defined in the
current translation unit. So put them as undefined symbols, along
with DYNIMPORT.
For #61229.
Change-Id: I1112ca928cdc401bac45adaa3f88b19422813960
Reviewed-on: https://go-review.googlesource.com/c/go/+/503539
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
On darwin, -lm is not necessary as the math functions are included
in libSystem. Passing -lm multiple times results in linker
warnings. Don't pass it on darwin.
For #61229.
Change-Id: I72d8dab1f0eead68cbeb176ac97b8ed1a0cfddab
Reviewed-on: https://go-review.googlesource.com/c/go/+/508697
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
When external linking, the external linker will generate it.
Updates #60694.
For #61229.
Change-Id: I086a7628dd9baa84b46315641746fc3640473f2b
Reviewed-on: https://go-review.googlesource.com/c/go/+/502617
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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The buildall.bash script was initially added in 2015 (in CL 9438),
documented as used in the implementation of the new compile-only
builders at the time.
That description was updated as the builder implementation changed
from "linux-amd64-compilesmoke" to "all-compile" and most recently
to "misc-compile", which it still mentions today.
The build system stopped using it in CL 464955 and there are no plans
to use it again in the future, so update the description so that it's
not misleading. Notably, adding additional checks to this script does
not mean they will be caught by builders.
Updates #31916.
Updates #58163.
Change-Id: I17558b1c150a3ad95105de14511c51791287991b
Reviewed-on: https://go-review.googlesource.com/c/go/+/513755
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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For short all.bash, we can keep the small speedup of 2-10 seconds by
skipping 'go test' on packages without tests. This is viable without
coverage loss since the Go release process is guaranteed to run long
tests for all first class ports.
For golang/go#60463.
Change-Id: Ib5a6bd357d757141bc8f1c1dec148a6565726587
Reviewed-on: https://go-review.googlesource.com/c/go/+/503115
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Remove the optimization added in CL 10492 that skips running 'go test'
on Go packages without _test.go files. By now, 'go test' can find real
problems even in packages that don't have any custom tests.
On my fairly fast laptop, running go test -short on all 164 normal
and 96 vendored packages without tests took around 10 seconds on
the first run and 2.5 seconds on the second, a small fraction of
the total all.bash time. So prioritize gains in the test coverage
over those savings in all.bash time.
Fixesgolang/go#60463.
Change-Id: I3d2bec5c367de687e57131e7fd7e6b84fed30187
Reviewed-on: https://go-review.googlesource.com/c/go/+/503095
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Reviewed-by: Austin Clements <austin@google.com>
Currently the Optab structure contains four arguments of an instruction,
excludes the fifth argument p.RegTo2. It does not participate in
instruction matching and is usually handled separately.
Instructions with five operands are common in the newer arm instruction
set, so this CL adds the fifth argument to Optab, so that instruction
matching is easier. This caused the oplook function also needs to be
updated synchronously, this CL also made some cleaning and modifications
to this function.
Change-Id: I1d95ad99e72a44dfad1e00db182cfc369a0e55c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/505975
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Preserve the names in case we want them to return an iterator.
Keep the efficient runtime implementations for now,
as we will probably want them under some name, perhaps KeysSlice
and ValuesSlice.
Fixes#61538
Change-Id: I6b03010bf071fb4531cb2f967dad46425962fcb8
Reviewed-on: https://go-review.googlesource.com/c/go/+/513476
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Russ Cox <rsc@golang.org>
The code was sorting files in the archives entirely by path string,
but that's not what fs.WalkDir would do. In a directory with
subdirectory foo/bar and file foo/bar.go, foo/bar gets visited
first, so foo/bar/baz appears before foo/bar.go, even though
"foo/bar/baz" > "foo/bar.go".
This CL replaces the string comparison with a path-aware
comparison that places foo/bar/baz before foo/bar.go,
so that if the tar file is extracted and then repacked using
fs.WalkDir, the files will remain in the same order.
This will make it easier to compare the pristine distpack-produced
tgz for darwin against the rebuilt tgz with signed binaries.
Before:
% tar tzvf /tmp/cmddist.tgz | grep -C1 runtime/cgo.go
-rw-r--r-- 0 0 0 11122 Jul 13 15:00 go/src/runtime/callers_test.go
-rw-r--r-- 0 0 0 2416 Jul 13 15:00 go/src/runtime/cgo.go
-rw-r--r-- 0 0 0 2795 Jul 13 15:00 go/src/runtime/cgo/abi_amd64.h
After:
% tar tzvf pkg/distpack/go1.21rsc.src.tar.gz | grep -C1 runtime/cgo.go
-rw-r--r-- 0 0 0 1848 Dec 31 1969 go/src/runtime/cgo/signal_ios_arm64.s
-rw-r--r-- 0 0 0 2416 Dec 31 1969 go/src/runtime/cgo.go
-rw-r--r-- 0 0 0 2479 Dec 31 1969 go/src/runtime/cgo_mmap.go
For #24904.
For #61513.
Change-Id: Ib7374bc0d6324377f81c561bef57fd87b2111b98
Reviewed-on: https://go-review.googlesource.com/c/go/+/511977
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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Make the load detection a bit clearer and more precise. In particular,
for architectures which have to materialize the address using a
separate instruction, we were using the address materialization
instruction, not the load itself.
Also apply the marking a bit less. We don't need to mark the load itself,
only the instructions after the load. And we don't need to mark the WBend
itself, only the instructions before it.
Change-Id: Ie367a8023b003d5317b752d873bb385f931bb30e
Reviewed-on: https://go-review.googlesource.com/c/go/+/499395
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s==s is always true for strings. This comes up in NaN testing in
generic code, where we want x==x to compile completely away except for
float types.
Fixes#60777
Change-Id: I3ce054b5121354de2f9751b010fb409f148cb637
Reviewed-on: https://go-review.googlesource.com/c/go/+/503795
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Reviewed-by: Cherry Mui <cherryyz@google.com>
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The 5ms sleep in (*Process).Wait was added to mitigate errors while
removing executable files using os.RemoveAll.
Windows 10 1903 implements POSIX semantics for DeleteFile, making the
implementation of os.RemoveAll on Windows much more robust. Older
Windows 10 versions also made internal improvements to avoid errors
when removing files, making it less likely that the 5ms sleep is
necessary.
Windows 10 is the oldest version that Go supports (see #57004), so it
makes sense to unconditionally remove the 5ms sleep now. We have all
the Go 1.22 development cycle to see if this causes any regression.
Fixes#25965
Change-Id: Ie0bbe6dc3e8389fd51a32484d5d20cf59b019451
Reviewed-on: https://go-review.googlesource.com/c/go/+/509335
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
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The default WASI runtime was originally set to Wazero, because it was
the first runtime used to test the Go implementation and because we
could easily find and fix issues in our implementation and theirs.
In CL 498675 we switched the default wasip1 runner to Wasmtime as it
runs faster and is a more established and mature runtime. We should
switch the default runtime to Wasmtime to consistently promote
Wasmtime as the primary tested and approved runtime.
Change-Id: Ic6c064142321af90f015e02b7fe0e71444d8842c
Reviewed-on: https://go-review.googlesource.com/c/go/+/513235
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Rather than duplicating this code, factor it out into a function and
add test coverage.
Change-Id: I37ce568ded4659d98a4ff1361520c5fb2207e947
Reviewed-on: https://go-review.googlesource.com/c/go/+/512537
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This code stems from the original 7l C code, where one way to determine
the end of a table is to put a sentinel entry, then scan for it. This is
now Go code and the length of an array is readily available.
Remove the sentinel and sentinel scan, then adjust the remaining code to
work accordingly.
Change-Id: I8964c787f5149f3548fa78bf8923aa7a93f9482e
Reviewed-on: https://go-review.googlesource.com/c/go/+/512536
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Same as https://go-review.googlesource.com/c/go/+/510635, reduces risk of overflow
Change-Id: I18f5560d73af76c3e853464a89ad7e42dbbd5894
GitHub-Last-Rev: 652c8c6712
GitHub-Pull-Request: golang/go#61547
Reviewed-on: https://go-review.googlesource.com/c/go/+/512200
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This leaves the specific unification details out in favor
of a (forthcoming) section in an appendix.
Change-Id: If984c48bdf71c278e1a2759f9a18c51ef58df999
Reviewed-on: https://go-review.googlesource.com/c/go/+/507417
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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On AIX and Solaris the errno value is fetched using m.mOS.perrno.
When checkfds is called, that value has not yet been set up by minit.
Since the error value doesn't really matter in checkfds,
don't bother to check it on AIX and Solaris.
Fixes#61584
Change-Id: I4e679ee3fdad4f0b833ae102597b2d6b8cb46cb6
Reviewed-on: https://go-review.googlesource.com/c/go/+/513215
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While here, also update the go15bootstrap link to use the
shorter go.dev domain and https:// prefix for consistency.
For #54265.
Change-Id: I881eeda235589511a93bf47186f91f6c47c12932
Reviewed-on: https://go-review.googlesource.com/c/go/+/512720
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
On Unix-like platforms, enforce that the standard file descriptions (0,
1, 2) are always open during initialization. If any of the FDs are
closed, we open them pointing at /dev/null, or fail.
Fixes#60641
Change-Id: Iaab6b3f3e5ca44006ae3ba3544d47da9a613f58f
Reviewed-on: https://go-review.googlesource.com/c/go/+/509020
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Also add a go:generate command to the standard library slices package.
For #61374
Change-Id: I7aae8e451b7c6c4390e0344257478d1a96a14189
Reviewed-on: https://go-review.googlesource.com/c/go/+/511660
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Eli Bendersky <eliben@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Also use a unique share name for each run of the test.
This may help with #61467, but since I couldn't reproduce the failure
in the first place I don't know. It passes locally for me.
For #61467.
Change-Id: Ie51e3cf381063e02e4849af5c1a1ed7441ce21c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/512075
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Bryan Mills <bcmills@google.com>
At the beginning of the for-loop iteration cap(data) > len(data) always.
Therefore, in the first iteration, this check becomes unnecessary.
we can move this check to after the read operation.
Change-Id: I205e4a842ced74f31124b45a39b70523b56ad840
GitHub-Last-Rev: 2fdf25dff2
GitHub-Pull-Request: golang/go#60473
Reviewed-on: https://go-review.googlesource.com/c/go/+/498915
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Rob Pike <r@golang.org>
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In most cases this change removes assumptions that there is a single
main module in vendor mode and iterates over the workspace modules
when doing checks. The go mod vendor command will now, if in workspace
mode, create a vendor directory in the same directory as the go.work
file, containing the packages (and modules in modules.txt) loaded from
the workspace. When reassembling the module graph from the vendor
directory, an edges are added from each of the main modules to their
requirements, plus additionally to a fake 'vendor/modules.txt' module
with edges to all the modules listed in vendor/modules.txt.
For #60056
Change-Id: I4a485bb39836e7ab35cdc7726229191c6599903e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495801
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
This was missed in the update of the bootstrap toolchain
and should help people who don't set GOROOT_BOOTSTRAP
and instead assume these scripts will find the right one.
For #54265.
Change-Id: I37a0d0976006d13b73df00013780be5abf202e91
Reviewed-on: https://go-review.googlesource.com/c/go/+/512275
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
