The WASI specification has file types for both stream and datagram
sockets. This change refactors the internal implementation of the
net.FileConn and net.FileListener functions to avoid returning a
misleading ENOTSOCK when calling net.FileConn with a file referencing
a datagram socket and instead properly construct net.UDPConn values
or return EOPNOTSUPP otherwise.
Change-Id: I594f700847254895cd6ce172979fd89c4b851940
Reviewed-on: https://go-review.googlesource.com/c/go/+/502316
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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These sections are now complete, remove remaining TODOs. Several entries
were missing CL numbers.
For #58645
Change-Id: I67489356016013be876c4bd522afb977becf54ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/502696
Run-TryBot: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
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There is no guarantee that the user build cache will have
correct data if we are using a versioned build (with a VERSION file),
because that overrides the use of tool build IDs for staleness.
An earlier build might have run with a buggy compiler, and we don't
want those files lying around.
Change-Id: I831956911162ccbd0b4d943c305b3537918fe119
Reviewed-on: https://go-review.googlesource.com/c/go/+/502699
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
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Don't use the line number of the argument itself, as that may be from
arbitrarily earlier in the function.
Fixes#60673
Change-Id: Ifc0a2aaae221a256be3a4b0b2e04849bae4b79d7
Reviewed-on: https://go-review.googlesource.com/c/go/+/502656
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Reviewed-by: Keith Randall <khr@google.com>
Michael noticed some minor issues in backports of CL 496635.
Those issues have been addressed in the backport CLs; this change
applies them to the main branch as well.
Updates #60313.
Change-Id: If68696711a10a9270193df66ed551395c14cae00
Reviewed-on: https://go-review.googlesource.com/c/go/+/502695
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
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The go parser previously checked for invalid import paths, go/build,
seeing the parse error would put files with invalid import paths into
InvalidGoFiles. golang.org/cl/424855 removed that check from the
parser, which meant files with invalid import paths not have any parse
errors on them and not be put into InvalidGoFiles. Do a check for
invalid import paths in go/build soon after parsing so we can make
sure files with invalid import paths go into InvalidGoFiles.
This fixes an issue where the Go command assumed that if a file wasn't
invalid it had non empty import paths, leading to a panic.
Fixes#60230Fixes#60686
Change-Id: I33c1dc9304649536834939cef7c689940236ee20
Reviewed-on: https://go-review.googlesource.com/c/go/+/502615
Reviewed-by: Bryan Mills <bcmills@google.com>
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This reverts CL 471256, except for its new tests, which are expanded to
cover the case in #60717.
Updates #60717
Change-Id: I712bbcd05bf3ea4a2c9aecc9e0f02841b21aadfa
Reviewed-on: https://go-review.googlesource.com/c/go/+/502477
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To infer type arguments in an assignment of the form
var target func(t1, t2, ...) = g
where g is a generic function
func g[P1, P2, ...](p1, p2, ...)
the type checker used the synthetic function call
g(t1, t2, ...)
But because each argument (of type) t1, t2, ... is assigned to its
corresponding parameter p1, p2, ..., type inference uses assignment
rules ("inexact match") for unification.
As a result, types such as mystring and string match even though
they should not (they are not identical), yet function parameter
types must be identical to match.
This CL fixes this by constructing the synthetic call
g'(func(t1, t2, ...))
where g' is the generic function
func g'[P1, P2, ...](func(p1, p2, ...))
This mimics the function assignment directly by representing it as
a single argument passing (of a function-typed argument). Function
parameter types must now be identical to unify.
As an added benefit, the implementation is simpler.
As a consequence, when such an assignment is invalid because the
function types cannot possibly match, we now correctly get an
inference error. Without this change, in some cases unification
would succeed, only to lead to an assignment error afterwards.
While at it, update the date in the copyright notice of
testdata/manual.go so we don't need to fix it each time we copy
code from a test case in manual.go into a issueXXXXX.go file.
Fixes#60688.
Change-Id: I716247f426ef33d76c7849b0c33c59124e55b859
Reviewed-on: https://go-review.googlesource.com/c/go/+/501938
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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Add 3 tests that exist in go/types but that were not ported to types2.
Change-Id: I34d219f605f9ae66e8b4439c3dfe93cfa0ec9524
Reviewed-on: https://go-review.googlesource.com/c/go/+/501304
Reviewed-by: Robert Findley <rfindley@google.com>
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Follow-up on CL 498955 which introduced a unification mode, to be used
to control the precision of unification of element types (CL 498895):
When unifying against core types of unbound type parameters, we must
use inexact unification at the top (irrespective of the unification mode),
otherwise it may fail when unifying against a defined type (core types
are always underlying types).
No specific test case (I have not been able to create one yet).
Change-Id: Ie15e98f4b9e9fb60d6857d34b03d350ebbf0375e
Reviewed-on: https://go-review.googlesource.com/c/go/+/501302
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This updates the logic from CL 489075 to avoid trying to save extra
sums if they aren't already expected to be present
and cfg.BuildMod != "mod" (as in the case of "go list -m -u all" with
a go.mod file that specifies go < 1.21).
Fixes#60667.
Updates #56222.
Change-Id: Ied6ed3e80a62f9cd9a328b43a415a42d14481056
Reviewed-on: https://go-review.googlesource.com/c/go/+/502015
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Reviewed-by: Russ Cox <rsc@golang.org>
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Fixes#60716
Change-Id: I86037784d6c12fd22bd03c3efabef379fa0646aa
Reviewed-on: https://go-review.googlesource.com/c/go/+/502355
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Reviewed-by: Ian Lance Taylor <iant@google.com>
For #59488.
For #58645.
Change-Id: Ia9b76d49825dd74f7e52d829ec6d47e6c2addd76
Reviewed-on: https://go-review.googlesource.com/c/go/+/501825
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Add notes for cmp.Ordered and builtin.{min,max}.
Fixes#60648
Change-Id: I81806af2d9a0613befde3f2bbfbc2720f0726912
Reviewed-on: https://go-review.googlesource.com/c/go/+/502235
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Change-Id: Ib02b35887896eab418ba9dde764754538cb23b4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/501277
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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Change-Id: If13f4d4bc545f78e3eb8c23cf2e63f0eb273d71f
GitHub-Last-Rev: 32ca70f52a
GitHub-Pull-Request: golang/go#60703
Reviewed-on: https://go-review.googlesource.com/c/go/+/502055
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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In the ptrace system call, most of the newer architectures (e.g. arm64,riscv64,loong64)
do not provide support for the command PTRACE_{GET, SET}REGS.
The Linux kernel 2.6.33-rc7[1] introduces support for the command PTRACE_{GET,SET}REGSET,
which exports different types of register sets depending on the NT_* types, completely
overriding the functionality provided by PTRACE_{GET,SET}REGS.
[1] https://lore.kernel.org/all/20100211195614.886724710@sbs-t61.sc.intel.com/Fixes#60679.
Change-Id: I8c2671d64a7ecd654834740f4f1e1e50c00edcae
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When determining DepsErrors for packages, we were trying to sort
errors by the top package on their ImportStack (which would likely be
the package the error was generated for) to get a deterministic
error order.
The problem is that some PackageErrors don't have ImportStacks set on
them. Fall back to sorting the errors by the error text (instead of
making things more complicated by tracking the packages that produced
the errors more closely).
Fixes#59905
Change-Id: Id305e1e70801f8909fd6463383b8eda193559787
Reviewed-on: https://go-review.googlesource.com/c/go/+/501978
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In plugin mode, we mangle the type symbol name so it doesn't
contain characters that may confuse the external linker. With
generics, instantiated function name includes type names, so it
may also contain such characters and so also needs to be mangled.
Fixes#58800.
Change-Id: Ibb08c95b89b8a815ccef98193d3a025e9d4756cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/500095
Reviewed-by: Than McIntosh <thanm@google.com>
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Some of the TestScript/gotoolchain* tests assume that go.env contains
GOTOOLCHAIN=auto, but that's not always the case, for example CI
environments may set it to `local` to avoid downloading a new toolchain.
This commit fixes the tests to work regardless of the value of
GOTOOLCHAIN in go.env.
Fixes#60685
Change-Id: Ieda22574f8a028893762274cf9db721c9d69bf7e
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Change-Id: I915eff34fcfe82f3514254f7d8998baa88a91da6
Reviewed-on: https://go-review.googlesource.com/c/go/+/501997
Reviewed-by: Ian Lance Taylor <iant@google.com>
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For #45964
For #59359
Change-Id: I7fd295a096e5776102e057789d157da681df9073
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This reverts CL 40364.
Reason for revert: Fallback path is still required on Solaris.
For #45964
For #59359
Change-Id: I4b8c8af77ee987cad6617221793b90c9a8829c3e
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It's not needed per CL 499515.
Change-Id: I2a5ce46be93dad1442c0aad736fd8d230ee35f39
Reviewed-on: https://go-review.googlesource.com/c/go/+/501996
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/gc/heap/live:bytes may exceed MemStats.HeapAlloc, even when all data is
flushed, becuase the GC may double-count objects when marking them. This
is an intentional design choice that is largely inconsequential. The
runtime is already robust to it, and the condition is rare.
Fixes#60607.
Change-Id: I4da402efc24327328d2d8780e4e49961b189f0ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/501858
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For #60105
For #44886
Change-Id: I8f6cfc4490535979ee8c0d8381c03b03c9c7b9a0
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The returned descriptor now remains in non-blocking mode.
For #58408
For #60211
Change-Id: I88d33c180db642d055b4fed3b03a9afa02e746bd
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For #59584
Change-Id: Iaa3f8b23010ad452c134ac608c63d2a41cc4e409
Reviewed-on: https://go-review.googlesource.com/c/go/+/501698
Reviewed-by: Ian Lance Taylor <iant@google.com>
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For #59488
Change-Id: I73ee4d1d8b9d8e6f0aad9e3bb98729aaa0f06a47
Reviewed-on: https://go-review.googlesource.com/c/go/+/501697
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Fill in some of the simpler entries, leave some more TODO entries.
For #58645
Change-Id: I20eb09ba709520ab27301c568d777184a405ffdc
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Change-Id: I8ae86200675dcad0f1d4c9924459d8196da9740f
Reviewed-on: https://go-review.googlesource.com/c/go/+/501755
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Per the spec, methods cannot be associated with a named pointer type.
Exit early with an empty method set in this case.
This matches the corresponding check in LookupFieldOrMethod;
the check is not present in (lowercase) lookupFieldOrMethod
because it (the check) doesn't apply to struct fields.
Fixes#60634.
Change-Id: Ica6ca8be6b850ea0da6f0b441fbf5b99cb0b6b17
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Line directives do not provide a way to escape newline characters, so
source file paths containing newlines must not be written in them.
Updates #60167.
Change-Id: I30f8b381cc7d1df6914c27591544edf424a4b634
Reviewed-on: https://go-review.googlesource.com/c/go/+/501578
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Failing to close the response body before returning leaks
the in-progress request past the test lifetime.
Fixes#60264
Change-Id: Ic327d9f8e02e87ed656324aaa042f833d9ea18ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/501309
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The section on type inference has not been updated yet for Go 1.21.
Add a temporary note so that readers referred to this section from
the release notes are not confused.
Change-Id: Idc4c74d6d700f891c625289e873ad5aa9c2c5213
Reviewed-on: https://go-review.googlesource.com/c/go/+/501308
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For #45964
For #59359
Change-Id: I9f8f4c17ccd9711f81d152953a5e6aea50c6a28f
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This reverts CL 422375.
Reason for revert: We still need the fallback path on Solaris.
For #45964
For #59359
Change-Id: Ie598b9ef180708fb157080015aee44f67f6737c4
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cmd/cover uses '//line' directives to map instrumented source files
back to the original source file and line numbers.
Line directives have no way to escape newline characters, so cmd/cover
must not be used with source file paths that contain such characters.
Updates #60167.
Change-Id: I6dc039392d59fc3a5a6121ef6ca97b0ab0da5288
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cmd/cgo uses '//line' directives to map generated source
files back to the original source file and line nmubers.
The line directives have no way to escape newline characters,
so cmd/cgo must not be used if the line directives would contain
such characters.
Updates #60167.
Change-Id: I8581cea74d6c08f82e86ed87127e81252e1bf78c
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Toolchain2 is only used for building toolchain3. We don't need to
build it with PGO. And building with PGO causes packages to be
built twice (one with PGO for the compiler, one without for other
programs). Disable PGO for toolchain2.
Also, I thought cmd/dist requires toolchain2 and toolchain3
compilers are identical binaries, so they need to be built in the
same way. But it doesn't.
Change-Id: Iaf49816da3dd06db79b48482c0e2435e09b512d7
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Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
This test is fundamentally about testing cgo.
Skip on nocgo builders.
Fixes CGO_ENABLED=0 go test -run=Script/newline
Change-Id: Ic02349e0acd8cf67508c1bd788333f42b30e84fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/501395
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
The gccgo on the builder is not updated to support runtime/cgo
Updates #60306
Change-Id: If0fb1ccdf589cc9741f6a065bacfa4f06e64ec15
Reviewed-on: https://go-review.googlesource.com/c/go/+/501435
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This only affects tests, typically manual tests, but when using trace
we're debugging and we don't want to crash because of trace itself.
No test because a test would cause trace output. Manually verified.
Fixes#60649.
Change-Id: I97abdb94db05774801ec5da56171f4a1aff35615
Reviewed-on: https://go-review.googlesource.com/c/go/+/501415
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
For #15527
For #57786
Change-Id: I75ed0b4bac8e31fac2afef17dad708dc9a3d74e1
Reviewed-on: https://go-review.googlesource.com/c/go/+/501300
Run-TryBot: Damien Neil <dneil@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
