Also: Added -h flag to test framework; setting -h causes a panic when
an error is reported (for debugging).
Change-Id: Ib45d4ef38769f2ecdd3ce53fa3aed9fd99ef6bc8
Next known issue:
type List(type E) []E
var _ List(List(List(int))) = [](List(List(int))){}
This won't work because the RHS's composite literal type
is not fully instantiated - it has non-instantiated elements
which are ignored by Checker.instantiatedType. We could just
call Checker.subst w/o any parameters and have it walk the
incoming type and instantiate any element Parameterized types
but that is expensive and also appears to lead to stack over-
flow. Need to investigate.
Change-Id: I80bd09ab5f06e3991f198965424ce3322c7d6402
testdata/typeinst2.go has some complex examples that pass now.
But code elsewhere seems broken. go test has some issues at the
moment. Committing anyway to not lose the snapshot.
Change-Id: Id8f753a7b098405e2580a45ca1707ef6476c198e
- use the right type when instantiating a type
- substitute defined types when underlying types are changing
- improved printing of parametrized types
- improved printing of instantiated types
- more top-level trace output
Change-Id: Ie8a65c9cc51e80925d3f580f54dcc6c0b5abe4c6
- move init and method parameter checks to resolve phase as well
- more consistent error messages
- more tests
Change-Id: I6cb147b35385541ca5d7d7e3f87159df84cced76
Updated go/ast and go/parser. go/types doesn't process the
new data structure yet and is missing a good type representation
of contracts.
Change-Id: I101f7c9e98008840dd1edb55404bb97db5a66ccd
Additionally, simplify the syntax for contracts specified in a
type parameter list: It is now not possible to provide explicit
type parameters to a contract in a type parameter list - they
are always implicit. For instance
func f(type P1, P2 C(P1, P2)) ...
must be written as
func f(type P1, P2 C) ...
If a different order or different types are desired for C,
a new "intermediate" contract must be declared, as in
contract C'(A, B) {
C(B, int) // here we allow type parameters
}
func f(type P1, P2 C')
This simplification will remove confusion if we decide to
allow individual contracts in type parameter lists, such as
func f(type P C, P1, P2 C') ...
In this case, C accepts one type parameter (and applies to P),
and C' accepts two type parameters and applies to P1 and P2.
The simplification avoids questions such as whether this code
should be permitted:
func f(type P C(P2), P1, P2 C'(P, P1)) ...
(i.e., can pass P2 to C, or P1 to C', etc.)
This change switches parsing back to using () parentheses for
type parameters. The parser now also accepts contracts in
parametrized type declarations, and top-level declared
contracts as defined in the design draft:
contract C(T1, T2) { ... }
(Internally, they are mapped to an ast.ContractType as before.)
Added more tests, incl. map.go2 from the design draft, and removed
some unused parser functions.
Passes parser and types tests.
Known issue: Composite literals with instantiated composite literal
types are not recognized properly: T(P){...} fails to parse.
This change implements parsing of contracts based on the
most recent design (using a combination of methods and
explicit basic types as well as the short-hand notations
0, 0.0, 0i, ==, and !=). At the moment, a contract is
considered a "type" and declared as such:
type C contract(T1, T2) { ...}
This change also implements parsing of type instantiations
and type parameters for type declarations, using both the
() parentheses and [] brackets (if the flag useBrackets is
set in parser.go).
Not all parsed data structures are set up correctly in the
AST yet. The parser and ast tests pass.
Change-Id: I11ce64ad49e404c5a66ce6623edc8313e803e135
This change implements parsing and type-checking
of parametrized functions (without contracts).
Type-checking includes checking of generic function
calls using explicit type parameters as well as
implicit type parameters inferred from the actual
arguments.
Change-Id: I03c9c6912aa1e2ac79d9c5125fd5ac72df4e808a
This alert is triggering occasionally. I've investigated the
collisions that happen, and they all seem to be pairwise, so they are
not a big deal. "pairwise" = when there are 32 collisions, it is two
keys mapping to the same hash, 32 times, not 33 keys all mapping to
the same hash.
Add some t.Logf calls in case this comes back, which will help isolate
the problem.
Fixes#39352
Change-Id: I1749d7c8efd0afcf9024d8964d15bc0f58a86e4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/237718
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Support for linux/386 was added to Delve in version 1.4.1, but the
version of Delve currently installed on the linux-386-longtest
builder is 1.2.0. That isn't new enough, which causes the test
to fail. Skip it on that builder until it can be made to work.
The only reason it used to pass on the linux-386-longtest builder
before is because that builder was misconfigured to run tests for
linux/amd64. This was resolved in CL 234520.
Also improve internal documentation and the text of skip reasons.
Fixes#39309.
Change-Id: I395cb1f076e59dd3a3feb53e1dcdce5101e9a0f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/237603
Reviewed-by: David Chase <drchase@google.com>
We replaced http.DefaultClient with securityPreservingHTTPClient,
but we still need that too many redirects check. This issue introduced
by CL 156838.
We introduce a special path to test rediret requests in the script test
framework. You can specify the number of redirects in the path.
$GOPROXY/redirect/<count>/...
Redirect request sequence details(count=8):
request: $GOPROXY/mod/redirect/8/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/7/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/6/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/5/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/4/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/3/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/2/rsc.io/quote/@v/v1.2.0.mod
redirect: $GOPROXY/mod/redirect/1/rsc.io/quote/@v/v1.2.0.mod
the last: $GOPROXY/mod/rsc.io/quote/@v/v1.2.0.mod
Fixes#39482
Change-Id: I149a3702b2b616069baeef787b2e4b73afc93b0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237177
Run-TryBot: Baokun Lee <nototon@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
This API and functionality was added late in the Go 1.15 release
cycle, and use within gopls has revealed some shortcomings. It's
possible (but not decided) that we'll want a different API long-term,
so for now this CL renames UsesCgo to a non-exported name to avoid
long-term commitment under the Go 1 compat guarantee.
Updates #16623.
Updates #39072.
Change-Id: I04bc0c161a84adebe43e926df5df406bc794c3db
Reviewed-on: https://go-review.googlesource.com/c/go/+/237417
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
The scheduler assumes two special invariants that apply to tuple
selectors (Select0 and Select1 ops):
1. There is only one tuple selector of each type per generator.
2. Tuple selectors and generators reside in the same block.
Prior to this CL the assumption was that these invariants would
only be broken by the CSE pass. The CSE pass therefore contained
code to move and de-duplicate selectors to fix these invariants.
However it is also possible to write relatively basic optimization
rules that cause these invariants to be broken. For example:
(A (Select0 (B))) -> (Select1 (B))
This rule could result in the newly added selector (Select1) being
in a different block to the tuple generator (see issue #38356). It
could also result in duplicate selectors if this rule matches
multiple times for the same tuple generator (see issue #39472).
The CSE pass will 'fix' these invariants. However it will only do
so when optimizations are enabled (since disabling optimizations
disables the CSE pass).
This CL moves the CSE tuple selector fixup code into its own pass
and makes it mandatory even when optimizations are disabled. This
allows tuple selectors to be treated like normal ops for most of
the compilation pipeline until after the new pass has run, at which
point we need to be careful to maintain the invariant again.
Fixes#39472.
Change-Id: Ia3f79e09d9c65ac95f897ce37e967ee1258a080b
Reviewed-on: https://go-review.googlesource.com/c/go/+/237118
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This removes the same logic from run.bat that was removed from
cmd/dist in CL 236819.
The duplicated logic was removed from run.bash and run.rc in CL 6531,
but that part of run.bat was apparently missed (and not noticed
because its effect was redundant).
Also fix a path-separator bug in cmd/addr2line.TestAddr2Line that was
exposed as a result.
Fixes#39478
Updates #39385
Change-Id: I00054966cf92ef92a03681bf23de7f45f46fbb5e
Reviewed-on: https://go-review.googlesource.com/c/go/+/237359
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Restore previously sent SCTs and stapled OCSP response during session
resumption for both TLS 1.2 and 1.3. This behavior is somewhat
complicated for TLS 1.2 as SCTs are sent during the server hello,
so they override what is saved in ClientSessionState. It is likely
that if the server is sending a different set of SCTs there is probably
a reason for doing so, such as a log being retired, or SCT validation
requirements changing, so it makes sense to defer to the server in
that case.
Fixes#39075
Change-Id: I3c0fa2f69c6bf0247a447c48a1b4c733a882a233
Reviewed-on: https://go-review.googlesource.com/c/go/+/234237
Reviewed-by: Filippo Valsorda <filippo@golang.org>
When the arrangement specifier is "B16", the 30-bit should be 1 rather than 0.
This CL fixes this error.
Fixes#39445
Change-Id: Ib44881cdb8b3aab855cb30f2c52a085cd73a6a2c
Reviewed-on: https://go-review.googlesource.com/c/go/+/236638
Run-TryBot: eric fang <eric.fang@arm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Also do not unset it by default in the tests for cmd/go.
GOROOT_FINAL affects the GOROOT value embedded in binaries,
such as 'cmd/cgo'. If its value changes and a build command
is performed that depends on one of those binaries, the binary
would be spuriously rebuilt.
Instead, only unset it in the specific tests that make assumptions
about the GOROOT paths embedded in specific compiled binaries.
That may cause those tests to do a little extra rebuilding when
GOROOT_FINAL is set, but that little bit of extra rebuilding
seems preferable to spuriously-stale binaries.
Fixes#39385
Change-Id: I7c87b1519bb5bcff64babf1505fd1033ffa4f4fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/236819
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
CL 236857 removed all uses of whitelist/blacklist, which is great.
But it substituted awkward phrasing using allowlist/blocklist,
especially as verbs or participles. This CL uses more standard English,
like "allow the function" or "blocked functions" instead of
"allowlist the function" or "blocklisted functions".
Change-Id: I9106a2fdbd62751c4cbda3a77181358a8a6d0f13
Reviewed-on: https://go-review.googlesource.com/c/go/+/236917
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The removed line assumed that the script's WORK directory is not a
child of any directory containing version-control metadata.
While that assumption does hold in most cases, it does not hold when,
for example, $TMPDIR is $HOME/tmp and $HOME/.git/config exists.
A similar situation may or may not arise when using
golang.org/x/build/cmd/release. Either way, the assertion is incorrect
and was interfering with local testing for #39385.
Updates #39385Fixes#39431
Change-Id: I67813d7ce455aa9b56a6eace6eddebf48d0f7fa6
Reviewed-on: https://go-review.googlesource.com/c/go/+/236818
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
The page sweeper depends on spans being marked if any object in the
span is marked, but currently only greyobject does this.
gcmarknewobject and wbBufFlush1 also mark objects, but neither set
span marks. As a result, if there are live objects on a span, but
they're all marked via allocation or write barriers, then the span
itself won't be marked and the page reclaimer will free the span,
ultimately leading to memory corruption when the memory for those live
allocations gets reused.
Fix this by making gcmarknewobject and wbBufFlush1 also mark pages.
No test because I have no idea how to reliably (or even unreliably)
trigger this.
Fixes#39432.
Performance is a wash or very slightly worse. I benchmarked the
gcmarknewobject and wbBufFlush1 changes independently and both showed
a slight performance improvement, so I'm going to call this noise.
name old time/op new time/op delta
BiogoIgor 15.9s ± 2% 15.9s ± 2% ~ (p=0.758 n=25+25)
BiogoKrishna 15.7s ± 3% 15.7s ± 3% ~ (p=0.382 n=21+21)
BleveIndexBatch100 4.94s ± 3% 5.07s ± 4% +2.63% (p=0.000 n=25+25)
CompileTemplate 204ms ± 1% 205ms ± 1% +0.43% (p=0.000 n=21+23)
CompileUnicode 77.8ms ± 1% 78.1ms ± 1% ~ (p=0.130 n=23+23)
CompileGoTypes 731ms ± 1% 733ms ± 1% +0.30% (p=0.006 n=22+22)
CompileCompiler 3.64s ± 2% 3.65s ± 3% ~ (p=0.179 n=24+25)
CompileSSA 8.44s ± 1% 8.46s ± 1% +0.30% (p=0.003 n=22+23)
CompileFlate 132ms ± 1% 133ms ± 1% ~ (p=0.098 n=22+22)
CompileGoParser 164ms ± 1% 164ms ± 1% +0.37% (p=0.000 n=21+23)
CompileReflect 455ms ± 1% 457ms ± 2% +0.50% (p=0.002 n=20+22)
CompileTar 182ms ± 2% 182ms ± 1% ~ (p=0.382 n=22+22)
CompileXML 245ms ± 3% 245ms ± 1% ~ (p=0.070 n=21+23)
CompileStdCmd 16.5s ± 2% 16.5s ± 3% ~ (p=0.486 n=23+23)
FoglemanFauxGLRenderRotateBoat 12.9s ± 1% 13.0s ± 1% +0.97% (p=0.000 n=21+24)
FoglemanPathTraceRenderGopherIter1 18.6s ± 1% 18.7s ± 0% ~ (p=0.083 n=23+24)
GopherLuaKNucleotide 28.4s ± 1% 29.3s ± 1% +2.84% (p=0.000 n=25+25)
MarkdownRenderXHTML 252ms ± 0% 251ms ± 1% -0.50% (p=0.000 n=23+24)
Tile38WithinCircle100kmRequest 516µs ± 2% 516µs ± 2% ~ (p=0.763 n=24+25)
Tile38IntersectsCircle100kmRequest 689µs ± 2% 689µs ± 2% ~ (p=0.617 n=24+24)
Tile38KNearestLimit100Request 608µs ± 1% 606µs ± 2% -0.35% (p=0.030 n=19+22)
[Geo mean] 522ms 524ms +0.41%
https://perf.golang.org/search?q=upload:20200606.4
Change-Id: I8b331f310dbfaba0468035f207467c8403005bf5
Reviewed-on: https://go-review.googlesource.com/c/go/+/236817
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Rather than hashing the encoding of the SPKI structure, hash the
bytes of the public key itself.
Fixes#39429
Change-Id: I55a0f8f08ab1f1b5702590b47d8b9a92d1dbcc1f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236878
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Previously, if there was a non-directory file with the name vendor or
testdata in the Go source tree, it was possible for some directories
to be skipped by filepath.Walk performed in findGorootModules.
As unusual and unlikely as such non-directory files are, it's better
to ensure all directories are visited, and all modules in the GOROOT
source tree are found.
This increases confidence that tests relying on findGorootModule
will not have unexpected false negatives.
For #36851.
For #36907.
Change-Id: I468e80d8f57119e2c72d546b3fd1e23c31fd6e6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/236600
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This is a followup to CL 96495.
It should be simpler and more robust to achieve .bat files having
CRLF line endings by treating it as a binary file, like all other
files, and checking it in with the desired CRLF line endings.
A test is used to check the entire Go tree, short of directories
starting with "." and named "testdata", for any .bat files that
have anything other than strict CRLF line endings. This will help
catch any accidental modifications to existing .bat files or check
ins of new .bat files.
Importantly, this is compatible with how Gerrit serves .tar.gz files,
making it so that CRLF line endings are preserved.
The Go project is supported on many different environments, some of
which may have limited git implementations available, or none at all.
Relying on fewer git features and special rules makes it easier to
have confidence in the exact content of all files. Additionally, Go
development started in Subversion, moved to Perforce, then Mercurial,
and now uses Git.¹ Reducing its reliance on git-specific features will
help if there will be another transition in the project's future.
There are only 5 .bat files in the entire Go source tree, so a new one
being added is a rare event, and we prefer to do things in Go instead.
We still have the option of improving the experience for developers by
adding a pre-commit converter for .bat files to the git-codereview tool.
¹ https://groups.google.com/d/msg/golang-dev/sckirqOWepg/YmyT7dWJiocJFixes#39391.
For #37791.
Change-Id: I6e202216322872f0307ac96f1b8d3f57cb901e6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/236437
Reviewed-by: Bryan C. Mills <bcmills@google.com>
There's been plenty of discussion on the usage of these terms in tech.
I'm not trying to have yet another debate. It's clear that there are
people who are hurt by them and who are made to feel unwelcome by their
use due not to technical reasons but to their historical and social
context. That's simply enough reason to replace them.
Anyway, allowlist and blocklist are more self-explanatory than whitelist
and blacklist, so this change has negative cost.
Didn't change vendored, bundled, and minified files. Nearly all changes
are tests or comments, with a couple renames in cmd/link and cmd/oldlink
which are extremely safe. This should be fine to land during the freeze
without even asking for an exception.
Change-Id: I8fc54a3c8f9cc1973b710bbb9558a9e45810b896
Reviewed-on: https://go-review.googlesource.com/c/go/+/236857
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Khosrow Moossavi <khos2ow@gmail.com>
Reviewed-by: Leigh McCulloch <leighmcc@gmail.com>
Reviewed-by: Urban Ishimwe <urbainishimwe@gmail.com>
This change makes the direct call darwin loadSystemRoots implementation
match the existing cgo implementation, which in turn _mostly_ matches
the Apple implementation. The main change here is that when
SecTrustSettingsCopyTrustSettings the error is ignored, and can either
cause a fallback to check admin trust settings, or cause the
certificate to be marked kSecTrustSettingsResultUnspecified.
As well as updating the implementation to match the cgo one, this
change also updates the documentation of how the fallbacks work and
how they match the Apple implementations. References are made to the
Apple source where appropriate. This change does not update the
existing comments in the cgo implementation, since the goal is to
delete that code once the direct call implementation is matured.
Updates #38888
Change-Id: Id0344ea9d2eede3b715f341e9cbd3c1c661b7a90
Reviewed-on: https://go-review.googlesource.com/c/go/+/233360
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
The ConnectionState's CipherSuite was not set prior
to the VerifyConnection callback in TLS 1.2 servers,
both for full handshakes and resumptions.
Change-Id: Iab91783eff84d1b42ca09c8df08e07861e18da30
Reviewed-on: https://go-review.googlesource.com/c/go/+/236558
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
There's a comment on the Syscall function that's supposed to be an
internal implementation note, but since it's not separated from the
function definition, it appears in godoc. Add a blank line to prevent
this.
Change-Id: Iba307f1cc3844689ec3c6d82c21d441852e35bca
Reviewed-on: https://go-review.googlesource.com/c/go/+/236561
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
The existing documentation of WriteFile does not make it clear for
non-native English speakers that it will not change the permissions if
the file already exists before.
Fixes#35711
Change-Id: If861c3e3700957fc9ac3d5313351c57d399d3f58
Reviewed-on: https://go-review.googlesource.com/c/go/+/218417
Reviewed-by: Rob Pike <r@golang.org>
"Fedora" and "Red Hat" are not numbers, it turns out.
Don't rely on version numbers, instead use a regexp to
handle variation across the 2 patterns thus far observed
for gdb-generated Go type names.
Change-Id: I18c81aa2848265a47daf1180d8f6678566ae3f19
Reviewed-on: https://go-review.googlesource.com/c/go/+/236280
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Currently, for symbols defined in other packages and referenced
by index, we don't record its name in the object file, as the
linker doesn't need the name, only the index. As a consequence,
tools like objdump and nm also don't know the referenced symbol
names and cannot dump it properly.
This CL adds referenced symbol names to the object file. So the
object file is self-contained. And tools can retrieve referenced
symbol names properly.
Tools now should work as good for new object files as for old
object files.
Fixes#38875.
Change-Id: I16c685c1fd83273ab1faef474e19acf4af46396f
Reviewed-on: https://go-review.googlesource.com/c/go/+/236168
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This reverts CL 229246.
For new indexed object files, in CL 229246 we added symbol index
to tools (nm, objdump) output. This affects external tools that
parse those outputs. And the added index doesn't look very nice.
In this release we take it out. For future releases we may
introduce a flag to tools (nm, objdump) and optionally dump the
symbol index.
For refererenced (not defined) indexed symbols, currently the
symbol is still referenced only by index, not by name. The next
CL will make the object file self-contained, so tools can dump
the symbol names properly (as before).
For #38875.
Change-Id: I07375e85a8e826e15c82fa452d11f0eaf8535a00
Reviewed-on: https://go-review.googlesource.com/c/go/+/236167
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Also add a test that could reproduce this error and
ensure it doesn't occur in other configurations.
Fixes#39012
Change-Id: If792b5131f312c269fd2c5f08c9ed5c00188d1af
Reviewed-on: https://go-review.googlesource.com/c/go/+/233957
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Add a test case for an issue with how Go emits DWARF line tables,
specifically relating to the line table "end sequence" operator.
Updates #38192.
Change-Id: I878b262e6ca6c550c0e460c3d5a1969ac4a2c31b
Reviewed-on: https://go-review.googlesource.com/c/go/+/235917
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
This reverts commit 7eab9506c9.
Reason for revert: Undoing to get back to semantics discussed in #8606.
Change-Id: If0cd7518c10c37a81fdbb4ae112239e04c0b1448
Reviewed-on: https://go-review.googlesource.com/c/go/+/236278
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This reverts commit 1cc7be89a9.
Reason for revert: Undoing to get back to semantics discussed in #8606.
Change-Id: Ib44a2e79cf113b3d15c3546cd8aa6fc27860819e
Reviewed-on: https://go-review.googlesource.com/c/go/+/236146
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Hand-verified for listed gdb versions. Gdb (apparently)
changed the way it names certain Go types, and this change
broke the pretty-printer-activating code in runtime-gdb.py
runtime-gdb_test.go now checks channel, map, string, and slice
printing unconditionally (i.e., no opt-out for old versions).
Updates #39368.
Change-Id: I98d72e1291c66bd40d970990e1a377ff2ed0c5d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/236164
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
The current document mismatches Go syntax loads a signed-byte
instruction "MOVB" with GNU syntax loads an 64bit double-word
instruction "ldr". This is just a typo in the document, the
assembler has the correct encoding. This patch fix this error.
Fixes#39367
Change-Id: Idb8f65ca540514ee5bc8f07073e756838710ba93
Reviewed-on: https://go-review.googlesource.com/c/go/+/236217
Reviewed-by: Cherry Zhang <cherryyz@google.com>
During DWARF line table emission in the linker, prior to issuing a
DW_LNE_end_sequence op to mark the end of the line table for a
compilation unit, advance the PC to produce an address beyond the last
text address in the unit (this is required by the DWARF standard).
Because of the way that GDB interprets end-sequence ops, we were
effectively losing the last row in the line table for each unit, which
degraded the debugging experience.
This problem has been around for a while, but has surfaced recently
due to changes in line table generation. Prior to Go 1.14, the DWARF
line table was emitted entirely in the linker, and a single monolithic
line table was created for each Go package (including functions from
assembly). In 1.14 we moved to having the compiler emit line table
fragments for each function, and having the linker stitch together the
fragments. As part of this change we moved to a model in which each
"go tool compile/asm" output has its own DWARF line table instance,
meaning that there are many more "end sequence" ops, which made the
problem more visible.
Fixes#38192.
Change-Id: Ic29e2f6e0ac952360c81fcba5268ad70b2b44184
Reviewed-on: https://go-review.googlesource.com/c/go/+/235739
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Previously we did not steal timers from running P's, because that P
should be responsible for running its own timers. However, if the P
is running a CPU-bound G, this can cause measurable delays in running
ready timers. Also, in CL 214185 we avoided taking the timer lock of a P
with no ready timers, which reduces the chances of timer lock contention.
So, if we can't find any ready timers on sleeping P's, try stealing
them from running P's.
Fixes#38860
Change-Id: I0bf1d5dc56258838bdacccbf89493524e23d7fed
Reviewed-on: https://go-review.googlesource.com/c/go/+/232199
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This is needed for cgo support for libpsx.
Fixes: #39361
Change-Id: I500f5614ea4b82b085322af1f1ffeb1f55270a05
Reviewed-on: https://go-review.googlesource.com/c/go/+/236139
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The existing documentation for time format constants doesn't mention
that they may parse technically-invalid strings, such as single-digit
hours when a two-digit hour is required by a specification. This commit
adds a short warning note to that effect.
Fixes#37616
Change-Id: I6e5e12bd42dc368f8ca542b4c0527a2b7d30acaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/229460
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
"Something" changed the names of types in gdb, causing the
pretty-printer matchers to fail to match. This tracks that
change.
Updated runtime-gdb_test.go to include a slice and a channel printing test.
(The straightforward printing of a slicevar doesn't work because
of compiler DWARF problems describing the slicevar, not gdb problems).
Change-Id: I21607a955b9c894f11ecf3763aea2a6dd59a3f42
Reviewed-on: https://go-review.googlesource.com/c/go/+/235926
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This teaches vet to recognize %O in a fmt.Printf format string.
O has been supported since the 1.13 release, but vet would warn about it.
Fixes#29986
Change-Id: I3a7a1fc8141f32888c081c5d92620461624371f6
Reviewed-on: https://go-review.googlesource.com/c/go/+/236138
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This change adds a comment to the Verify documentation that indicates
that you can use URI and email style name constraints with a leading
period for DNS names (and explains what they do). This behavior is
not standards compliant, but matches the community application of
RFC 5280, so it makes sense to document it.
Fixes#37535
Change-Id: Ibd6f039e4fa46d40ad7ae1ab48eab86f13cf8eff
Reviewed-on: https://go-review.googlesource.com/c/go/+/233525
Reviewed-by: Ryan Sleevi <sleevi@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
There are data races on fd.[rw]aio and fd.[rw]timedout when Read/Write
is called on a polled fd concurrently with SetDeadline (see #38769).
Adding a mutex around accesses to each pair (read and write) prevents
the race, which was causing deadlocks in net/http tests on the builders.
Updates #38769.
Change-Id: I31719b3c9a664e81a775cda583cff31c0da946c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/235820
Run-TryBot: David du Colombier <0intro@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David du Colombier <0intro@gmail.com>
Call FlushViewOfFile before unmapping the output file, for extra
safety. The documentation says the function does not wait for
the data to be written to disk, so it should be cheap.
Fixes#38440.
Change-Id: I05352f15d9305e6e7086a002f61802f74036b710
Reviewed-on: https://go-review.googlesource.com/c/go/+/235639
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
The version "" denotes the main module, which has no version. The
mvs.Reqs interface documentation hints this is allowed, but it's not
obvious from the implementation in modload.mvsReqs.Max.
Also, replace a related TODO with a comment in mvs.Downgrade.
Fixes#39042
Change-Id: I11e10908c9b3d8c2283eaa5c04bd8e1b936851fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/234003
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
When printing regular test output check the indentation of the output, and use
the report stack to find the appropriate test name for that output.
This change includes a whitespace change to some golden test files. The
indentation of tests was changed in CL 113177
from tabs to spaces. The golden files have been updated to match the new
output format. The tabs in the golden files cause problems because the indentation check
looks for 4 spaces.
Fixes#29755
Updates #25369
Change-Id: Iebab51816a9755168083a7a665b41497e9dfd85f
GitHub-Last-Rev: 898827f1a6
GitHub-Pull-Request: golang/go#34419
Reviewed-on: https://go-review.googlesource.com/c/go/+/196617
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This change fixes a race condition between beforeIdle waking up the
innermost event handler and a timer causing a different goroutine to
wake up at the exact same moment. This messes up the wasm event handling
and leads to memory corruption. The solution is to make beforeIdle
return the goroutine that must run next and have findrunnable pick
this goroutine without considering timers again.
Fixes#38093Fixes#38574
Change-Id: Iffbe99411d25c2730953d1c8b0741fd892f8e540
Reviewed-on: https://go-review.googlesource.com/c/go/+/230178
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Similarly to EGLDisplay, EGLConfig is declared as a pointer but may
contain non-pointer values.
I believe this is the root cause of https://todo.sr.ht/~eliasnaur/gio/121.
Change-Id: I412c4fbc2eef4aa028534d68bda95db98e3a365d
Reviewed-on: https://go-review.googlesource.com/c/go/+/235817
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The correct word to use here is 'another' not 'an other'
Change-Id: Ie4f748ae94a5945dceb52779222ffd8cf36b8845
Reviewed-on: https://go-review.googlesource.com/c/go/+/235838
Reviewed-by: Robert Griesemer <gri@golang.org>
Enforces section 14.13 of RFC 2616 so that Content-Length header
values with a sign such as "+5" will be rejected.
Updates #39017
Change-Id: Icce9f00d03c8475fe704b33f9bed9089ff8802f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/234817
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
This reverts https://golang.org/cl/232578.
Reason for revert: This commit broke TestScript/mod_load_badchain,
which is causing all longtest builders to fail.
Change-Id: I4a17392ce74ac3a7ad340980556025f669d94b65
Reviewed-on: https://go-review.googlesource.com/c/go/+/235857
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
When run with stdin == /dev/null and stdout/stderr == pipe (i.e., as
os/exec.Command.CombinedOutput), GDB suffers from a bug
(https://sourceware.org/bugzilla/show_bug.cgi?id=26056) that causes
SIGSEGV when sent a SIGWINCH signal.
Package runtime tests TestEINTR and TestSignalDuringExec both send
SIGWINCH signals to the entire process group, thus including GDB if one
of the GDB tests is running in parallel.
TestEINTR only intends its signals for the current process, so it is
changed to do so. TestSignalDuringExec, really does want its signals to
go to children. However, it does not call t.Parallel(), so it won't run
at the same time as GDB tests.
This is a simple fix, but GDB is vulnerable, so we must be careful not
to add new parallel tests that send SIGWINCH to the entire process
group.
Fixes#39021
Change-Id: I803606fb000f08c65c1b10ec554d4ef6819e5dd5
Reviewed-on: https://go-review.googlesource.com/c/go/+/235557
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
CL 228017 added a new help page 'go help buildconstraint' which
summarized the information on build constraints in the go/build
documentation. The summary was almost as long as the go/build
documentation, since there's very little that can be left out.
This CL moves the original go/build documentation to
'go help buildconstraint' to eliminate redundnancy. The text
describing enabled tags is slightly different (targeting command-line
users more than go/build users), but the rest of the documentation is
unchanged.
Fixes#37018
Change-Id: Ic0ed4c6fdae2395dd58852e1600c701247c9c4cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/232981
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
In module mode, 'go get' prints a message for each version query it
resolves. This change groups those messages together near the end of
the output so they aren't mixed with other module "finding" and
"downloading" messages. They'll still be printed before build-related
messages.
Fixes#37982
Change-Id: I107a9f2b2f839e896399df906e20d6fc77f280c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/232578
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Robert Griesemer
Keith Randall
Dmitri Shuralyov
Ian Lance Taylor
Baokun Lee
Matthew Dempsky
Gawen Arab
Rodolfo Carvalho
Michael Munday
Bryan C. Mills
Roland Shoemaker
Brad Fitzpatrick
Vee Zhang
eric fang
Xiangdong Ji
Russ Cox
Austin Clements
Filippo Valsorda
Tobias Klauser
Katie Hockman
joshuabezaleel
David Chase
Cherry Zhang
Than McIntosh
fanzha02
Andrew G. Morgan
Jean de Klerk
David Golden
Dan Scales
Richard Miller
Jay Conrod
Daniel Nephin
Richard Musiol
Elias Naur
Yasser Abdolmaleki
Paschalis Tsilias
Brad Erickson
Michael Pratt