On Loong64, the two input operands and one output operand of the ADDF
instruction are both floating-point registers; and the floating-point
comparison instruction CMPEQ{F,D}, CMPGE{F,D}, CMPGT{F,D} both input
operands are floating-point registers, and the output operation is a
floating-point condition register, currently, only FCC0 is used as the
floating-point condition register.
Example:
ADDF F0, F1, F0
CMPEQF F0, F1, FCC0
Change-Id: I4c1c453e522d43f294a8dcab7b6b5247f41c9c68
Reviewed-on: https://go-review.googlesource.com/c/go/+/580281
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Auto-Submit: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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As of CL 455017 we have switched to following the new style relocations on
loong64, these stack based relocations should be removed.
Change-Id: Ic129a5665cf6f183a32e13b6f1a55d712a99d721
Reviewed-on: https://go-review.googlesource.com/c/go/+/537335
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: abner chenc <chenguoqi@loongson.cn>
Commit-Queue: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
The relocation number of each architecture starts from 0. objabi.ElfRelocOffset
+ objabi.RelocType(xxx) cannot uniquely represent a relocation, so the new
argument 'arch' was added to help identify relocation.
Change-Id: Ic8121dbfd1a4f31f279d50ffdc9c932ce3066efd
Reviewed-on: https://go-review.googlesource.com/c/go/+/580275
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The CPUCFG instruction is used to dynamically obtain the features
supported by the current CPU during the running of the program.
Go asm syntax:
CPUCFG RJ, RD
Equivalent platform assembler syntax:
cpucfg rd, rj
Reference: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
Change-Id: I545110ff837ae9c5ccd7c448a1daf2d1277f9aa1
Reviewed-on: https://go-review.googlesource.com/c/go/+/493436
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
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CL 588675 removes pidfdRelease, but misses this one.
Change-Id: Id1d93d10baa5b26a42a2289e29624409c4e351f2
Reviewed-on: https://go-review.googlesource.com/c/go/+/601461
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Issue #51503 was fixed with the rewrite in CL 594740.
Add a respective test case.
Fixes#51503.
For #51343.
Change-Id: Iff9e7e3274c5ad40789e107b6f62d17e335e2428
Reviewed-on: https://go-review.googlesource.com/c/go/+/595697
Reviewed-by: Robert Griesemer <gri@google.com>
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1) Factor out handling of receiver from Checker.funcType into
Checker.collectRecv. Analyze the receiver parameter "manually"
without resorting to calling Checker.collectParams.
The code is more straight-forward and error handling is simpler
because constructing the receiver type and variable is all handled
in one function.
2) Change Checker.collectParams to collect parameter names and
corresponding parameter variables, but do not declare them.
Instead return two equal-length slices of parameter names
and variables for later declaration.
3) Streamline Checker.funcType into a sequence of simple steps.
By declaring the receiver and parameters after type parameters,
there is no need for a temporary scope and scope squashing anymore.
4) Simplify Checker.unpackRecv some more: don't strip multiple
*'s from receiver type expression because we don't typecheck
that expression as a whole later (we don't use collectParams
for receiver types anymore). If we have a **T receiver, we
need to use *T (one * stripped) as receiver base type expression
so that we can report an error later.
5) Remove Checker.recvTParamMap and associated machinery as it is
not needed anymore.
6) Remove Scope.Squash/squash as it is not needed anymore.
7) Remove the explicit scope parameter from Checker.collectParams
as it is not needed anymore.
8) Minor adjustments to tests: in some cases, error positions have
shifted slightly (because we don't use Checker.collectParams to
typecheck receivers anymore), and in some cases duplicate errors
don't appear anymore (resolves TODOs).
Fixes#51343.
Change-Id: Ia77e939bb68e2912ef2e4ed68d2a7a0ad605c5ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/594740
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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Instead of returning the receiver type name (rname), return the
receiver type base expression (base), with pointer indirections
stripped. The type base may or may not not be a type name. This
is needed for further rewrites of the signature type-checking code.
Adjust call sites accordingly to preserve existing behavior.
For #51343.
Change-Id: Ib472ca25d43ec340762d0a8dd1ad038568c2b2bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/595335
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Tim King <taking@google.com>
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Change-Id: I982cf4da98af73ac41936a9d0b51588e3dbfd706
Reviewed-on: https://go-review.googlesource.com/c/go/+/594739
Reviewed-by: Robert Griesemer <gri@google.com>
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When reporting an error for the element type of a struct literal, use
the element type's type name rather than it's underlying/core type.
Also, combine error reporting for invalid composite literal types in
one place, at the end.
Fixes#68184.
Change-Id: I1f407d5403777948da9a0eca95aacc1389f4bd44
Reviewed-on: https://go-review.googlesource.com/c/go/+/595075
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Reviewed-by: Tim King <taking@google.com>
Found while re-reading this code.
Change-Id: I5c87bb38ce07e49f1d122db1630c48d5ff082a30
Reviewed-on: https://go-review.googlesource.com/c/go/+/594975
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While at it, slightly regroup surounding code for clarity.
For #51343.
Change-Id: Ibb3a58c2ea138afae0be5315d98f698d7633b22a
Reviewed-on: https://go-review.googlesource.com/c/go/+/593455
Reviewed-by: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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- move receiver checks up, closer to where the receiver is collected
- adjust some comments after verifying against some test cases
- removed some minor discrepancies between the two type checkers
For #51343.
Change-Id: I75b58efbed1e408df89b8d6536e6c6da45740f93
Reviewed-on: https://go-review.googlesource.com/c/go/+/593336
Auto-Submit: Robert Griesemer <gri@google.com>
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Previously, the end position for a select statement clause body was
computed explicitly as the start of the next clause or the closing "}"
of the select statement, respectively.
Since syntax.EndPos computes the end position of a node, there's no
need to compute these positions "manually", we can simply use the
syntax.ExdPos for each clause. The positions are not exactly the
same as before but for the purpose of identifier visibility in
scopes there is no semantic change.
Simplifies the code and brings it more in line with go/types.
Change-Id: I24bca85a131a0ea31a2adaafc08ab713450258fb
Reviewed-on: https://go-review.googlesource.com/c/go/+/593016
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Auto-Submit: Robert Griesemer <gri@google.com>
Adjust the respective API test accordingly.
Change-Id: I7ecc8899b40ae3b5aeb2c1e032935c672b41e0b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/592675
Reviewed-by: Robert Findley <rfindley@google.com>
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Move logic for type-specific variable type into typeCases function
which already does all the relevant work.
Add more detailed documentation to typeCases function.
Uncomment alernative typeCases function so that it is being type-
checked and kept up-to-date. Since it's not (yet) used, the code
will not appear in the binary.
Follow-up on CL 592555.
Change-Id: I6e746503827d512a1dbf7b99b48345c480e61200
Reviewed-on: https://go-review.googlesource.com/c/go/+/592616
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Auto-Submit: Robert Griesemer <gri@google.com>
- Replace the various subst.XList methods with a generic function.
- Rename comparable function to comparableType to avoid shadowing
predeclared type comparable.
- Rename substFunc/Var to cloneFunc/Var which is more accurate.
Change-Id: I3243f2093e4c43a537766f47e3348402de517090
Reviewed-on: https://go-review.googlesource.com/c/go/+/587775
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Currently, we can only cache regular trace event buffers on each M. As
a result, calling unsafeTraceExpWriter will, in effect, always return
a new trace batch, with all of the overhead that entails.
This extends that cache to support buffers for experimental trace
data. This way, unsafeTraceExpWriter can return a partially used
buffer, which the caller can continue to extend. This gives the caller
control over when these buffers get flushed and reuses all of the
existing trace buffering mechanism.
This also has the consequence of simplifying the experimental batch
infrastructure a bit. Now, traceWriter needs to know the experiment ID
anyway, which means there's no need for a separate traceExpWriter
type.
Change-Id: Idc2100176c5d02e0fbb229dc8aa4aea2b1cf5231
Reviewed-on: https://go-review.googlesource.com/c/go/+/594595
Auto-Submit: Austin Clements <austin@google.com>
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By now macOS 11 is the minimum required version.
Updates #43926
Change-Id: I13716e2e521c26bd9997f0ea1b717cf72ab7e47c
Reviewed-on: https://go-review.googlesource.com/c/go/+/601276
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
From information we have available in the issue, this test was flaky
on OS X 10.10 but not newer. By now macOS 11 is the minimum required
version, and 1000 local runs of the test passed, so try to unskip as
the next step.
For #29225.
Change-Id: I18a24459f01e53ef9de05b50d1dd8786d0683107
Cq-Include-Trybots: luci.golang.try:gotip-darwin-amd64_11,gotip-darwin-amd64_14
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The abi.NoEscape function is introduced to replace all usages of
noescape wrapper in the standard library. However, the last usage in
reflect package is still present, because the inlining test failed if
abi.NoEscape were used. The reason is that reflect.noescape is treated
as a cheap call, while abi.NoEscape is not.
By treating abi.NoEscape a cheap call, the last usage of noescape in
reflect package can now be removed.
Change-Id: I798079780129221a5a26cbcb18c95ee30855b784
Reviewed-on: https://go-review.googlesource.com/c/go/+/601275
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Same as CL 543315 did for cmd/compile.
Change-Id: I56a200664c92fe34d4b78c2dbf6ed56288e89e0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/600675
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Change-Id: Ibb9a7ce37ac28873aa720a64d1f89cb87fc5fa27
Reviewed-on: https://go-review.googlesource.com/c/go/+/543315
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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The typechecker is assuming that alias instances cannot be reached from
a named type. However, when type parameters on aliases are permited, it
can happen.
This CL changes the typechecker to propagate the correct named instance
is being expanded.
Updates #46477Fixes#68580
Change-Id: Id0879021f4640c0fefe277701d5096c649413811
Reviewed-on: https://go-review.googlesource.com/c/go/+/601115
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Change-Id: Ib93f2b565e5271dfa3c3ca5d040ef24269c47cf8
GitHub-Last-Rev: 3f1da518a4
GitHub-Pull-Request: golang/go#68584
Reviewed-on: https://go-review.googlesource.com/c/go/+/601036
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This change allows the tracer to be reentrant by restructuring the
internals such that writing an event is atomic with respect to stack
growth. Essentially, a core set of functions that are involved in
acquiring a trace buffer and writing to it are all marked nosplit.
Stack growth is currently the only hidden place where the tracer may be
accidentally reentrant, preventing the tracer from being used
everywhere. It already lacks write barriers, lacks allocations, and is
non-preemptible. This change thus makes the tracer fully reentrant,
since the only reentry case it needs to handle is stack growth.
Since the invariants needed to attain this are subtle, this change also
extends the debugTraceReentrancy debug mode to check these invariants as
well. Specifically, the invariants are checked by setting the throwsplit
flag.
A side benefit of this change is it simplifies the trace event writing
API a good bit: there's no need to actually thread the event writer
through things, and most callsites look a bit simpler.
Change-Id: I7c329fb7a6cb936bd363c44cf882ea0a925132f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/587599
Reviewed-by: Austin Clements <austin@google.com>
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Replace reflect.DeepEqual with slices.Equal/maps.Equal, which is
much faster.
Clean up some unnecessary helper functions.
Change-Id: I9b94bd43886302b9b327539ab065a435ce0d75d9
GitHub-Last-Rev: b9ca21f165
GitHub-Pull-Request: golang/go#67607
Reviewed-on: https://go-review.googlesource.com/c/go/+/587936
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Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Replace reflect.DeepEqual with slices.Equal/maps.Equal, which is
much faster.
Change-Id: I62ad60a66e28cfb2bb49c36037bafd4b9d201e88
GitHub-Last-Rev: 79554baddb
GitHub-Pull-Request: golang/go#67611
Reviewed-on: https://go-review.googlesource.com/c/go/+/587818
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Replace reflect.DeepEqual with slices.Equal which is much faster.
Change-Id: I299db6f998738174983731f08c1021346b87dfaa
GitHub-Last-Rev: 44ca9015d6
GitHub-Pull-Request: golang/go#67613
Reviewed-on: https://go-review.googlesource.com/c/go/+/587938
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Replace reflect.DeepEqual with slices.Equal/maps.Equal, which is
much faster.
Also remove some unecessary helper functions.
Change-Id: I3e4fa2938fed1598278c9e556cd4fa3b9ed3ad6d
GitHub-Last-Rev: 69bb43fc6e
GitHub-Pull-Request: golang/go#67603
Reviewed-on: https://go-review.googlesource.com/c/go/+/587815
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Replace reflect.DeepEqual with slices.Equal/maps.Equal, which is
much faster.
Change-Id: Id9cb550884da817da96befdeccfecb3325fb4414
GitHub-Last-Rev: 7d64d78feb
GitHub-Pull-Request: golang/go#67612
Reviewed-on: https://go-review.googlesource.com/c/go/+/587819
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Replace reflect.DeepEqual with slices.Equal/maps.Equal, which is
much faster.
Change-Id: I54600fb63a56460c11d3d5af9072da585e31b1a2
GitHub-Last-Rev: 08c1445ad5
GitHub-Pull-Request: golang/go#67606
Reviewed-on: https://go-review.googlesource.com/c/go/+/587816
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The Go release notes are served on multiple domains (go.dev,
golang.google.cn, tip.golang.org, localhost:8080 and so on), so links
pointing to the Go website itself need to be relative to work in all
those contexts.
Caught by a test in x/website. The next CL adds the same test to this
repository so these kinds of problems are caught sooner and with less
friction.
For #68545.
Fixes#68575.
Change-Id: I08056b98968c77a1d0ed93b63fccfbe41274ec8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/600656
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Add support for detecting the DIT feature on ARM64 processors. This
mirrors https://go.dev/cl/597377, but using the platform specific
semantics.
Updates #66450
Change-Id: Ia107e3e3369de7825af70823b485afe2f587358e
Reviewed-on: https://go-review.googlesource.com/c/go/+/598335
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Replace reflect.DeepEqual with slices.Equal, which is much faster.
Remove some redundant helper functions.
Change-Id: I51b32a3d0c3fc5ad0d3b6ff0dd03f39c507e5762
GitHub-Last-Rev: e21f46d4a0
GitHub-Pull-Request: golang/go#67609
Reviewed-on: https://go-review.googlesource.com/c/go/+/587937
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Commit-Queue: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
Also clarify the permissions of created files,
and note that CopyFS will not overwrite files.
Update a few places in documentation to use 0oXXX for octal consts.
For #62484
Change-Id: I208ed2bde250304bc7fac2b93963ba57037e791e
Reviewed-on: https://go-review.googlesource.com/c/go/+/600775
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Replace reflect.DeepEqual with slices.Equal, which is much faster.
Change-Id: Ia93cc153d1f71ce92656129843be8dadcefbbca3
GitHub-Last-Rev: 0af0cc4205
GitHub-Pull-Request: golang/go#67610
Reviewed-on: https://go-review.googlesource.com/c/go/+/587817
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Change-Id: Ied098312399d2d6557ebf0ee294ca0e71dfa677b
GitHub-Last-Rev: 82f914e857
GitHub-Pull-Request: golang/go#68565
Reviewed-on: https://go-review.googlesource.com/c/go/+/600655
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Change-Id: Ia191daf8e748f17dcea6038166504fb50e7ddb0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/589535
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
For #49884
Change-Id: I1623201c47c820a152773d2f43d0072a1466d3bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/588118
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Follow up review in CL 597535.
Updates #54846
Change-Id: Idf586552a22bbc6710c0888f046df0a5d1f0ce4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/597537
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
By using cgo.Incomplete to represent not-in-heap type.
While at it, also removing the type conversions tests, since they could
not be present without //go:notinheap pragma.
Fixes#54846
Change-Id: I5ee2a4b6498d4100c9770ed7bd62f52623e42526
Reviewed-on: https://go-review.googlesource.com/c/go/+/597536
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
CL 388538 removed unused -G=0 node types.
However, the code for checking not-in-heap types for map and channel
type was also removed, which is likely not intentional.
This CL restores the check, porting removed code to noder.
Updates #54846
Change-Id: I2995836b90e36d2684197fefc9829fddfffe8585
Reviewed-on: https://go-review.googlesource.com/c/go/+/597535
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
So the bounds check which are eliminated during late fuse pass could be
detected correctly.
Fixes#67329
Change-Id: Id7992fbb8c26e0d43e7db66a0a3a2c0d9ed937a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/598635
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Follow up discussion in CL 594575.
The wrapping in "any" is only necessary if either casType or tagType is
an interface, as "==" in this situation is implemented by upconverting
to an interface anyway.
Change-Id: I73da771d25685a23eec612ac696965c892db4764
Reviewed-on: https://go-review.googlesource.com/c/go/+/596555
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Pull in the latest published version of github.com/google/pprof
as part of the continuous process of keeping Go's dependencies
up to date.
For #36905.
[git-generate]
cd src/cmd
go get github.com/google/pprof@v0.0.0-20240722153945-304e4f0156b8
go mod tidy
go mod vendor
Change-Id: If009cff7f2d99ec58315102963cbe07b6739c09a
Reviewed-on: https://go-review.googlesource.com/c/go/+/600596
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
CL 600436 moved runtime/internal/sys to internal/runtime/sys and updated
TestNewReleaseRebuildsStalePackagesInGOPATH in part accordingly. This is
the other part that's needed for it to pass.
For #65355.
Change-Id: I26cff96c15caf185a4ee2c8fb31ec6c877ab87e2
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/600595
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
