Fixes revive linter receiver-naming warnings:
- receiver name f should be consistent with previous receiver name e for fileListEntry
- receiver name r should be consistent with previous receiver name z for Reader
- receiver name f should be consistent with previous receiver name h for FileHeader
Change-Id: Ibfa14b97f6ca7adc86e3a1df919c5bb5de9716dc
GitHub-Last-Rev: dd7315b09d
GitHub-Pull-Request: golang/go#58477
Reviewed-on: https://go-review.googlesource.com/c/go/+/467519
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These directives affect the next declaration, so the existing form is
valid, but can be confusing because it is easy to miss. Move then
directly above the declaration for improved readability.
CL 69120 previously moved the Gosched nosplit away to hide it from
documentation. Since CL 224737, directives are automatically excluded
from documentation.
Change-Id: I8ebf2d47fbb5e77c6f40ed8afdf79eaa4f4e335e
Reviewed-on: https://go-review.googlesource.com/c/go/+/472957
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After CL 470215 it should be safe to run this test on Plan 9.
Fixes#26945
Change-Id: I17880b696d2e91e6c4862fac05e6372f44e69b22
Reviewed-on: https://go-review.googlesource.com/c/go/+/472436
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Remove unnecessary assignments by using the same two variables
for methods consistently throughout.
Change-Id: I8b9bc8dbc8022b2472724d2a170f2635de3306e9
Reviewed-on: https://go-review.googlesource.com/c/go/+/472915
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Use a state to exactly track lookup results. In case of lookup failure,
use the state to directly report the cause instead of trying to guess
from the missing and alternative method.
Addresses a TODO (incorrect error message).
Change-Id: I50902752deab741f8199a09fd1ed29286cf5be42
Reviewed-on: https://go-review.googlesource.com/c/go/+/472637
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internal/platform.MustLinkExternal is used in various places to
determine whether external linking is required. It should always
match what the linker actually requires, but today does not match
because the linker imposes additional constraints.
Updates #31544.
Change-Id: I0cc6ad587e95c607329dea5d60d29a5fb2a9e722
Reviewed-on: https://go-review.googlesource.com/c/go/+/472515
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For now this is simply a mechanical combination without any
relevant logic changes. This will make it easier to review
subsequent changes.
Change-Id: Ic2e2ae32b031d2dda0f69a08a5cc2349748bd25d
Reviewed-on: https://go-review.googlesource.com/c/go/+/472675
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After CL 235820 all references to FD.rtimedout and FD.wtimedout
are guarded by mutexes. Therefore they can safely be changed
from type atomic.Bool to bool.
Change-Id: I7ab921d1ad5c7ccc147feb2b0fba58a66b031261
Reviewed-on: https://go-review.googlesource.com/c/go/+/472435
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Go programs can now use the //go:wasmimport module_name function_name
directive to import functions from the WebAssembly runtime.
For now, the directive is restricted to the runtime and syscall/js
packages.
* Derived from CL 350737
* Original work modified to work with changes to the IR conversion code.
* Modification of CL 350737 changes to fully exist in Unified IR path (emp)
* Original work modified to work with changes to the ABI configuration code.
* Fixes#38248
Co-authored-by: Vedant Roy <vroy101@gmail.com>
Co-authored-by: Richard Musiol <mail@richard-musiol.de>
Co-authored-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Change-Id: I740719735d91c306ac718a435a78e1ee9686bc16
Reviewed-on: https://go-review.googlesource.com/c/go/+/463018
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Change-Id: I18bb87bfdea8b6d7994091ced5134aa2549f221e
Reviewed-on: https://go-review.googlesource.com/c/go/+/472476
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This simplifies the use of missingMethod and also opens the door to
further missingMethod-internal simplifications.
Change-Id: I74d9694b6fca67c4103aea04d08916a69ad0e3c5
Reviewed-on: https://go-review.googlesource.com/c/go/+/472495
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This CL allows missingMethod (and with it the assertableTo methods)
to provide an error cause without an extra external (and messy) call
of missingMethodCause. This latter function is now only called by
missingMethod and can be eliminated eventually in favor of more
precise error causes generated directly by missingMethod.
The change requires that missingMethod (and the assertableTo methods)
accept general types for both relevant argument types (rather than a
Type and a *Interface) so that error causes can report the appropriate
(possibly defined) type rather than the underlying interface type.
Change-Id: Ic31508073fa138dd5fa27285b06cf232ee638685
Reviewed-on: https://go-review.googlesource.com/c/go/+/472395
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An inferred type argument must implement its type parameter's constraint's
methods whether or not a core type exists. This allows us to infer type
parameters used in method signatures.
Fixes#51593.
Change-Id: I1fddb05a71d442641b4311d8e30a13ea9bdb4db5
Reviewed-on: https://go-review.googlesource.com/c/go/+/472298
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This allows us to use missingMethod with different type comparers,
such as the global Identical predicate, or a unifier.
Preparation for the next CL.
Change-Id: I237fd9dd7feb3708847ae6d9a112bcdd0aa1ecb4
Reviewed-on: https://go-review.googlesource.com/c/go/+/472297
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This simply moves the special handling for unbound type parameters
into the switch (which already looks for type parameters).
Change-Id: I2d6d22f3fdffc443065c3681a442288cd1d375ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/472115
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Because we rename type parameters to avoid problems with self-recursive
function calls, there's no need anymore for special (and hard to follow)
logic for pointer-identical types. If they are identical, we have a
match. Simplify the code accordingly.
Change-Id: I2e1838a43e90fa4abfae3ab9e4f7da6463508966
Reviewed-on: https://go-review.googlesource.com/c/go/+/471018
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Adjust imports but no other code changes otherwise.
Change-Id: Iffbd7f9b1786676a42b68d91ee6cc7df07d776bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/471015
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The primary change is that type inference now always reports
an error if a unification step fails (rather than ignoring that
case, see infer2.go). This brings the implementation closely to
the description in #58650; but the implementation is more direct
by always maintaining a simple (type parameter => type) mapping.
To make this work, there are two small but subtle changes in the
unifier:
1) When deciding whether to proceed with the underlying type of
a defined type, we also use the underlying type if the other
type is a basic type (switch from !hasName(x) to isTypeLit(x)
in unifier.go). This makes the case in issue #53650 work out.
See the comment in the code for a detailed explanation of this
change.
2) When we unify against an unbound type parameter, we always
proceed with its core type (if any).
Again, see the comment in the code for a detailed explanation
of this change.
The remaining changes are comment and test adjustments. Because
the new logic now results in failing type inference where it
succeeded before or vice versa, and then instatiation or parameter
passing failed, a handful of error messages changed.
As desired, we still have the same number of errors for the same
programs.
Also, because type inference now produces different results, we
cannot easily compare against infer1 anymore (also infer1 won't
work correctly anymore due to the changes in the unifier). This
comparison (together with infer1) is now disabled.
Because some errors and their positions have changed, we need a
slightly larger error position tolerance for types2 (which produces
less accurate error positions than go/types). Hence the change in
types2/check_test.go.
Finally, because type inference is now slightly more relaxed,
issue #51139 doesn't produce a type unification failure anymore
for a (previously correctly) inferred type argument.
Fixes#51139.
Change-Id: Id796eea42f1b706a248843ad855d9d429d077bd1
Reviewed-on: https://go-review.googlesource.com/c/go/+/470916
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The assertion here was to make sure the newly constructed and
typechecked expression selected the same receiver-qualified method,
but in the case of anonymous receiver types we can actually end up
with separate types.Field instances corresponding to each types.Type
instance. In that case, the assertion spuriously failed.
The fix here is to relax and assertion and just compare the method's
name and type (including receiver type).
Fixes#58563.
Change-Id: I67d51ddb020e6ed52671473c93fc08f283a40886
Reviewed-on: https://go-review.googlesource.com/c/go/+/471676
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Since we can't gate tests on the macOS version on normal machines,
restrict TestIssue51759 to only run on builders, where we have a way to
do this.
Change-Id: I70fc83c587689b499b6a38864973a77bb3e52596
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The -T flag actually means the start address of text symbols, not
the text sections, which may differ by the header size. It has
been behaving like this since at least 2009. Make it clear in the
documentation.
Also remove the -D flag from the doc. The flag doesn't actually
exist in the implementation.
Fixes#58727.
Change-Id: Ic5b7e93adca3f1ff9f0de33dbb6089f46cdf4738
Reviewed-on: https://go-review.googlesource.com/c/go/+/472356
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Convert TestUnknownAuthorityError to use subtests, avoiding continuing
the test after an unrecoverable failure.
Skip TestIssue51759 on pre-macOS 11 builders, which don't enforce the
behavior we were testing for.
Updates #58791Fixes#58812
Change-Id: I4e3e5bc371aa139d38052184c8232f8cb564138f
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The existing runtime/coverage API set includes a "ClearCounters()"
function that zeros out the counter values in a running process so as
enable capturing of a coverage profile from a specific execution time
segment. Calling this function is only permitted if the program is
built with "-covermode=atomic", due (in part) to concerns about
processors with relaxed memory models in which normal stores can be
reordered.
In the bug in question, a test that stresses a different set of
counter-related APIs was hitting an invalid counter segment when
running on a machine (ppc64) which does indeed have a relaxed memory
consistency model.
From a post-mortem examination of the counter array for the harness
from the ppc64 test run, it was clear that the thread reading values
from the counter array was seeing the sort of inconsistency that could
result from stores being reordered (specifically the prolog
"packageID" and "number-of-counters" stores).
To preclude the possibility of future similar problems, this patch
extends the "atomic mode only" restriction from ClearCounters to the
other APIs that deal with counters (WriteCounters, WriteCountersDir).
Fixes#56197.
Change-Id: Idb85d67a84d69ead508e0902ab46ab4dc82af466
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All amd64 OSes already make use of the NOFRAME flag wherever is
required, so we can remove the frameless nosplit functions heuristic
code path.
Updates #58378
Change-Id: I966970693ba07f8c66da0aca83c23caad7cbbfe5
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A build constraint reports whether the test binary was compiled with
cgo enabled, but that doesn't necessarily imply that cgo can be used
in the environment in which the test binary is run.
In particular, cross-compiled builders (such as Android) may compile
the test binaries on the host with CGO enabled but not provide a C
toolchain on the device that runs the test.
For #58775.
Change-Id: Ibf2f44c9e956cd3fa898c3de67af4449e8ef2dd1
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This CL marks some plan9 assembly functions as NOFRAME to avoid
relying on the implicit amd64 NOFRAME heuristic, where NOSPLIT functions
without stack were also marked as NOFRAME.
Updates #58378
Change-Id: Ic8c9ab5c1a0897bebc6c1419ddc903a7492a1b0a
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This CL removes some NOFRAME flags on Windows assembly files
for several reasons:
- windows/386 does not use a frame pointer
- Leaf frameless functions already skip the frame pointer
- Some non-leaf functions do not contain enough dragons to justify
not using the frame pointer
Updates #58378
Change-Id: I31e71bf7f769e1957a4adba91778da5af66ce1e4
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On Windows, replace tests which rely on a root that expired last year.
On Darwin fix an test which wasn't testing the expected behavior, and
fix the behavior which was broken.
Fixes#58791
Change-Id: I771175b9e123b8bb0e4efdf58cc2bb93aa94fbae
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In the past, we planned to implement asynchronous preemption using
precise register pointer maps. In this strategy, conversions between
unsafe.Pointer and uintptr would need to be marked as unsafe points,
as if a pointer value is temporarily converted to uintptr (and not
live otherwise), the GC would not be able to see it when scanning
the stack (and registers).
But now we actually implemented asynchronous preemption with inner
frame conservative scan. So even if a pointer value lives as an
integer the GC can still see it. There is no need to mark the
conversion as unsafe points. This allows more places to be
preempted, as well as for debugger to inject a call.
Fixes#57719.
Change-Id: I375ab820d8d74d122b565cf72ecc7cdb225dbc01
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This was noticed while testing hash-search debugging
of the loopvar experiment.
The change is incomplete -- it only addresses local
variables, not parameters. The code to log/search
changes in loop variable semantics depends on this,
so that will be the test.
Change-Id: I0f84ab7696c6cab43486242cacaba6a0bfc45475
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After CL 436435 chain, the only case left where we create an ONAME node
with nil Func is interface method from imported package.
Change-Id: I9d9144916d01712283f2b116973f88965715fea3
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Some folks working on the Go project may have a go.work file in
GOROOT/src in order to test changes in x repos. 'go test cmd/go'
should not fail if that is the case.
For #58767.
Change-Id: I0e57b15fb1d3e4abc4903c177434626c9f125cae
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Workspace mode is specifically for working with modules;
it doesn't make sense in GOPATH mode.
This also fixes a panic in (*modload.MainModuleSet).GoVersion
when go.work is present in GOPATH mode.
For #58767.
Change-Id: Ic6924352afb486fecc18e009e6b517f078e81094
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No test case because the problem can only happen for invalid data. Let
the fuzzer find cases like this.
For #47653Fixes#58754
Change-Id: Ic3ef58b204b946f8bff80310d4c8dfcbb2939a1c
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Because "CopyN" will read one more byte, which will cause us
to overflow when calling "Reader.ReadForm(math.MaxInt64)".
So we should check if the parameter exceeds "math.MaxInt64"
to avoid returning no data.
Fixes#58384.
Change-Id: I30088ce6468176b21e4a9a0b8b6080f2986dda23
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The compiler used to generate ONAME node with nil Func for them, so the
inliner can still analyze, but could not generate inline call for them
anyway.
CL 436961 attempts to create ONAME node with non-nil Func, causing the
inliner complains about missing body reader.
This CL makes inliner recognize type eq/hash functions, and mark them as
non-inlineable. Longer term, if we do want to inline these functions, we
need to integrate the code generation into Unified IR frontend.
Updates #58572
Change-Id: Icdd4dda03711929faa3d48fe2d9886568471f0bc
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Go 1.19 introduced doc links (https://go.dev/doc/comment#doclinks).
It will be convenient when we can directly jump to the suggested
function when the original function is deprecated.
Change-Id: I6172a5265f3b47aefec53179bca60f9904606b3f
GitHub-Last-Rev: b2aa85bf1b
GitHub-Pull-Request: golang/go#58779
Reviewed-on: https://go-review.googlesource.com/c/go/+/471915
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
testGo is currently only configured if testenv.HasGoBuild returns
true, which implies that a complete toolchain is present.
Since setting up testGo now only uses the test binary itself, it does
not actually require 'go build', but fixing that will be a bit more
involved. For now, just skip the test when it isn't set up.
Fixes#58775.
Change-Id: I6487b47b44c87aa139ae11cfa44ce6f0f5f84bd4
Reviewed-on: https://go-review.googlesource.com/c/go/+/472095
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
