In test files, using testenv.Executable is more reliable than
os.Executable or os.Args[0].
Change-Id: I88e577efeabc20d02ada27bf706ae4523129128e
Reviewed-on: https://go-review.googlesource.com/c/go/+/651955
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: I91f1b93298671bcb2aa5f86a59f5794bd3e3b2a9
GitHub-Last-Rev: f2e7ffb45f
GitHub-Pull-Request: golang/go#71911
Reviewed-on: https://go-review.googlesource.com/c/go/+/651220
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Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: I8f332eb14c0ce4f31a2e0f44ddd227769d7b940f
Reviewed-on: https://go-review.googlesource.com/c/go/+/651875
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Fixes#70893
Change-Id: Ia0aaa497dad335fe962d52d3f115d26e8046e36f
GitHub-Last-Rev: 7dd663678d
GitHub-Pull-Request: golang/go#71851
Reviewed-on: https://go-review.googlesource.com/c/go/+/650875
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
Replace the usage of runtime.SetFinalizer with runtime.AddCleanup in
tests.
Updates #70907
Change-Id: I0d91b6af9643bde278215318f6176277373ddd19
Reviewed-on: https://go-review.googlesource.com/c/go/+/649458
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The extension-removing rules for ARM64 were moved to late lower in
CL 568616. This means that the late lower pass can now generate
MOVDreg, however the rules that potentially eliminate MOVDreg only
exist in the earlier pass. Fix this by duplicating the MOVDreg/NOVDnop
rules in late lower, such that we can potentially eliminate conversions.
Removes 400+ instructions from the Go binary on openbsd/arm64.
Change-Id: I14aad06b994c9179f3ecdda566629793ba167511
Reviewed-on: https://go-review.googlesource.com/c/go/+/651819
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
AMD64latelower.rules currently has Windows style line endings,
rather than Unix style line endings. Correct this.
Change-Id: Ie068dc6c64bd51cf2aa5bd192839fca4f28f40b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/651818
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
The overhead for allocation is not significant but it should be excluded
from the memmove/memclr benchmarking anyway.
Change-Id: I7ea86d1b85b13352ccbff16f7510caa250654dab
Reviewed-on: https://go-review.googlesource.com/c/go/+/645576
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This patch rolls the main .debug_info DWARF section from version 4 to
version 5, and also introduces machinery in the Go compiler and linker
for taking advantage of the DWARF5 ".debug_addr" section for
subprogram DIE "high" and "low" PC attributes. All functionality is
gated by GOEXPERIMENT=dwarf5.
For the compiler portion of this patch, we add a new DIE attribute
form "DW_FORM_addrx", which accepts as an argument a function (text)
symbol. The dwarf "putattr" function is enhanced to handle this
format by invoking a new dwarf context method "AddIndirectTextRef".
Under the hood, this method invokes the Lsym method WriteDwTxtAddrx,
which emits a new objabi.R_DWTXTADDR_* relocation. The size of the
relocation is dependent on the number of functions in the package; we
pick a size that is just big enough for the largest func index.
In the linker portion of this patch, we now switch over to writing out
a version number of 5 (instead of 4) in the compile unit header (this
is required if we want to use addrx attributes). In the parallel portion
of DWARF gen, within each compilation unit we scan subprogram DIEs to
look for R_DWTXTADDR_* relocations, and when we find such a reloc,
we assign a slot in the .debug_addr section for the func targeted.
After the parallel portion is complete, we then walk through all of the
compilation units to assign a value to their DW_AT_addr_base attribute,
which points to the portion of the single .debug_addr section containing
the text addrs for that compilation unit.
Note that once this patch is in, programs built with GOEXPERIMENT=dwarf5
will have broken/damaged DWARF info; in particular, since we've changed
only the CU and subprogram DIEs and haven't incorported the other
changes mandated by DWARF5 (ex: .debug_ranges => .debug_rnglists)
a lot of the variable location info will be missing/incorrect. This
will obviously change in subsequent patches.
Note also that R_DWTXTADDR_* can't be used effectively for lexical
scope DIE hi/lo PC attrs, since there isn't a viable way to encode
"addrx + constant" in the attribute value (you would need a new entry
for each attr endpoint in .debug_addr, which would defeat the point).
Updates #26379.
Change-Id: I2dfc45c9a8333e7b2a58f8e3b88fc8701fefd006
Reviewed-on: https://go-review.googlesource.com/c/go/+/635337
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Add a new symbol type: SDWARFADDR. This kind of symbol stores content
to be added to the DWARF .debug_addr section (new with DWARF5). At the
moment these symbols are created only in the linker, but it's not hard to
imagine other implementations in which the compiler would create them,
so they are added to both the compiler and linker symbol kind space.
Updates #26379.
Change-Id: I4a82ead0d59fe6028abfd6d6e3fc3df2e28c0ef6
Reviewed-on: https://go-review.googlesource.com/c/go/+/634415
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Add a set of new relocations to be used when the compiler is writing
debug information using DWARF version 5. No changes in compiler or
linker functionality, this patch just adds the relocations themselves
and some helper functions; uses will appear in a later patch. These
relocations are generated by the compiler when writing a DWARF DIE
attribute of form DW_FORM_addrx, or when writing a .debug_addr index
reference in a SDWARFRANGE or SDWARFLOC section. The target symbol of
the relocation is a function (STEXT symbol); the linker resolves the
relocation by replacing the target of the reloc with an index of a
slot in the .debug_addr section (.debug_addr is new with DWARF5).
Updates #26379.
Change-Id: I43c587d25d0836972dac487d09c8924d77345f4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/633880
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
This patch rolls out the necessary changes to migrate the DWARF line
table support in the compiler and linker to DWARF version 5, gated by
the "dwarf5" GOEXPERIMENT.
DWARF version 5 includes a number of changes to the line table,
notably a revamped prolog section and a change in the indexing system
used to refer to files and directories within the line table
program. Specifically, prior to DWARF 4 a compilation's directory
table was considered to have an implicit zero entry containing the
compilation directory of the translation unit (package), and the file
table was considered to have an implicit zero entry storing the
"primary source file" (stored in the compilation unit DIE name).
DWARF 5 does away with these implicity entries meaning that files and
dirs are now effectively a 0-based index.
Updates #26379.
Change-Id: I9b4f1be5415aacec1ba57366d60bd48819c56ea5
Reviewed-on: https://go-review.googlesource.com/c/go/+/633879
Reviewed-by: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Add a set of constants for the DWARF version 5 line table content
description values found in the V5 line table prolog, and for the
new DWARF unit type encodings.
Updates #26379.
Change-Id: I8f4989ea6b6cbb303deda1a6a20ad243d73b46b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/633878
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Add new experiment to enable generation of DWARF version 5 in
the compiler and linker.
Updates #26379.
Change-Id: I5e686a5e66d13b01e8cc8cd7c04f6fffd90d597b
Reviewed-on: https://go-review.googlesource.com/c/go/+/633877
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Get rid of the R_DWARFFILEREF relocation type -- we have not used this
relocation for a while now, ever since jfaller's revamp of the DWARF
line table file section in Go 1.15. No change in compiler or linker
functionality; this is purely a dead code cleanup.
Change-Id: I178760c87f3aa79694cfabe7364ca382605c6975
Reviewed-on: https://go-review.googlesource.com/c/go/+/633876
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
For #58508Fixes#71863
Change-Id: Ib1ebaf751bcc6900da6ffd01a9462dd237e2c89a
Reviewed-on: https://go-review.googlesource.com/c/go/+/651295
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Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
For #69735
Change-Id: I2a0336214786e14b9a37834d81a0a0d14231451c
Reviewed-on: https://go-review.googlesource.com/c/go/+/651315
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Similarly to CL 648035, SetBytes doesn't need to be constant time for
the uses we make of it in the standard library (ECDH and ECDSA public
keys), but it doesn't cost much to make it constant time for users of
the re-exported package, or even just to save the next person from
convincing themselves that it's ok for it not to be constant time.
Change-Id: I6a6a465622a0de08d9fc71db75c63185a82aa54a
Reviewed-on: https://go-review.googlesource.com/c/go/+/650579
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Currently method values aren't correctly handled in Seq because we call
canRangeFunc on the reciever type, not the method value type, when we're
handling a method value. reflect.Value.Type has the logic to obtain the
method value type from the Value.
This change slightly refactors reflect.Value.Type into a separate
function so we can obtain the correct type as an abi.Type and pass it
off to canRangeFunc (and canRangeFunc2).
Fixes#71874.
Change-Id: Ie62dfca2a84b8f2f816bb87ff1ed1a58a7bb8122
Reviewed-on: https://go-review.googlesource.com/c/go/+/651416
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Auto-Submit: Michael Knyszek <mknyszek@google.com>
As of CL 650835, the pidfd test child no longer sends SIGCHLD on exit.
Per clone(2), "If [the child termination] signal is specified as
anything other than SIGCHLD, then the parent process must specify the
__WALL or __WCLONE options when waiting for the child with wait(2)."
Align with this requirement.
For #71828.
Change-Id: I6a6a636c739e4a59abe1533fe429a433e8588939
Reviewed-on: https://go-review.googlesource.com/c/go/+/651415
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
TestEnvironConsistency logs the values of all the environment variables,
which can be quite large on some environments. This change limits the
output to just the variables that caused the test to fail.
Change-Id: Ie796b57ac2cc845093c73298058b720df344fa28
Reviewed-on: https://go-review.googlesource.com/c/go/+/650581
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Relates to #71257. Since post-quantum TLS algorithms are enabled by default, we should warn about the possible bugs with legacy servers (see https://tldr.fail/)
Change-Id: I06a5d8a927497ea2141007b14a90af27e0891720
GitHub-Last-Rev: 476e6462df
GitHub-Pull-Request: golang/go#71865
Reviewed-on: https://go-review.googlesource.com/c/go/+/651036
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Overzealous security scanners don't like the Go 1.17 binary because they
think it has every 1.17 security vulnerability. base64-encode the binary
to hide from them.
I've also extended the instructions to make the binary easier to
reproduce.
Since we do the Go binary, we might as well do the C binary too, as it
apparently makes some virus scanners unhappy.
Fixes#71753.
For #71734.
For #71821.
Change-Id: I6a6a636cccbf5312522f52f27f74eded64048fb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/651175
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Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
We used to generate register GC maps as an experimental approach
for asynchronous preemption, which later we chose not to take.
Most of the register GC map code are already removed. One
exception is that the ssa.Register type still contains a field
for the register map index. Remove it.
Change-Id: Ib177ebce9548aa5ffbcaedd4b507240ea7df8afe
Reviewed-on: https://go-review.googlesource.com/c/go/+/651076
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
For #69735
Change-Id: Ide6b3077768a96b76078e5d4f6460596b8ff1560
Reviewed-on: https://go-review.googlesource.com/c/go/+/631756
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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Auto-Submit: Keith Randall <khr@golang.org>
Avoid a spurious SIGCHLD the first time we start a process.
Fixes#71828
Change-Id: I744100d21bf6aaaaafc99bc5eec9f9f807a50682
Reviewed-on: https://go-review.googlesource.com/c/go/+/650835
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
newAfterFuncContext has never been used, the only reason I can imagine
for its existence is to guarantee that the implementation is correct.
It is a small cleanup and make code more idiomatic.
Change-Id: I61ee213a9284f3c3bda7f91196f3a1604babd0f6
GitHub-Last-Rev: c08bd69ef3
GitHub-Pull-Request: golang/go#71856
Reviewed-on: https://go-review.googlesource.com/c/go/+/651015
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Now that riscv64 is only regabi, remove the entrypoint separation and
have runtime.memequal_varlen call runtime.memequal. Add a zero byte
length check and replace the equal and not equal exit paths with a
single exit path that conditions on length reaching zero.
Cq-Include-Trybots: luci.golang.try:gotip-linux-riscv64
Change-Id: Ida4e54378daa7fd423f759753eba04ce513a27cb
Reviewed-on: https://go-review.googlesource.com/c/go/+/648855
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Add support for endbr64, which terminates an indirect branch in 64-bit
mode. This is effectively used to mark locations where an indirect branch
is permitted to land, when Indirect Branch Tracking (IBT) is enforced on
Intel CPUs.
Updates #66054
Change-Id: Ib898031711cfaaa6e05c197bfe727ded0bce6f52
Reviewed-on: https://go-review.googlesource.com/c/go/+/649215
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Make the errors we return when parsing an ECHConfig slightly more
verbose.
Fixes#71706
Change-Id: Id138fd9defec71ce492a490a71af4981cb9ede51
Reviewed-on: https://go-review.googlesource.com/c/go/+/650720
Auto-Submit: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
In the few obvious candidates that I found after a bit of grepping.
Change-Id: I36af79c46d29e4422bce1f43bbbac9db7de2001a
Reviewed-on: https://go-review.googlesource.com/c/go/+/650656
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Change-Id: I8d7bbeebbf4a46f2fd8d630b1edbaf79b8ffccc5
Reviewed-on: https://go-review.googlesource.com/c/go/+/420114
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
TryBot-Bypass: Joel Sing <joel@sing.id.au>
For #69735
Change-Id: I34ca2b027494525ab64f94beee89ca373a5031ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/631615
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
We shouldn't drop the workaround in case we're running on an unpatched
kernel.
For #44272.
Change-Id: I6a6a636cb81c31856ac9b682e7d02fa1d8efa5d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/644878
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@golang.org>
This change moves finBlockSize into mfinal.go and renames finblock to
finBlock.
Change-Id: I20a0bc3907e7b028a2caa5d2fe8cf3f76332c871
Reviewed-on: https://go-review.googlesource.com/c/go/+/650695
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Currently Make panics when passed a linker-allocated object. This is
inconsistent with both runtime.AddCleanup and runtime.SetFinalizer. Not
panicking in this case is important so that all pointers can be treated
equally by these APIs. Libraries should not have to worry where a
pointer came from to still make weak pointers.
Supporting this behavior is a bit complex for weak pointers versus
finalizers and cleanups. For the latter two, it means a function is
never called, so we can just drop everything on the floor. For weak
pointers, we still need to produce pointers that compare as per the API.
To do this, copy the tiny lock-free trace map implementation and use it
to store weak handles for "immortal" objects. These paths in the
runtime should be rare, so it's OK if it's not incredibly fast, but we
should keep the memory footprint relatively low (at least not have it be
any worse than specials), so this change tweaks the map implementation a
little bit to ensure that's the case.
Fixes#71726.
Change-Id: I0c87c9d90656d81659ac8d70f511773d0093ce27
Reviewed-on: https://go-review.googlesource.com/c/go/+/649460
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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This CL is the result of pulling the thread of some unused parameter
diagnostics reported by gopls: remove some variables holding partial
type argument expression information that are no longer needed.
Change-Id: Idfc1d0271252ce9bc5b75feb86e30dd2f6dd550b
Reviewed-on: https://go-review.googlesource.com/c/go/+/650775
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Findley <rfindley@google.com>
ObjectID was a misnaming of OutputID from cacheprog's initial
implementation. It was maintained for compatibility with existing
cacheprog users in 1.24 but can be removed in 1.25.
Updates #64876
Change-Id: I8ff53bc581c16b7739e1cfbaa8bd35d285d3231d
Reviewed-on: https://go-review.googlesource.com/c/go/+/649435
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Change-Id: I50404dbf0f10ee59007bd0dc5353f38e056a0430
Reviewed-on: https://go-review.googlesource.com/c/go/+/650655
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
While looking at the SSA of following code, i noticed
that these rules do not work properly, and the types
are loaded indirectly through an itab, instead of statically.
type M interface{ M() }
type A interface{ A() }
type Impl struct{}
func (*Impl) M() {}
func (*Impl) A() {}
func main() {
var a M = &Impl{}
a.(A).A()
}
Change-Id: Ia275993f81a2e7302102d4ff87ac28586023d13c
GitHub-Last-Rev: 4bfc901917
GitHub-Pull-Request: golang/go#71784
Reviewed-on: https://go-review.googlesource.com/c/go/+/649500
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
This change improves escape analysis by attempting to
deduce static values for the len and cap parameters,
allowing allocations to be made on the stack.
Change-Id: I1161019aed9f60cf2c2fe4d405da94ad415231ac
GitHub-Last-Rev: d78c1b4ca5
GitHub-Pull-Request: golang/go#71693
Reviewed-on: https://go-review.googlesource.com/c/go/+/649035
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
The support we provide is tightly scoped, and is not safe for generic
usage elsewhere in the standard library.
Change-Id: Ic38d5c4b416859ab30e2b4a3fc977ba8a2535ae8
Reviewed-on: https://go-review.googlesource.com/c/go/+/647815
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Fixes#71122
Change-Id: Icaf27842f4a42e11eea4bd2203eba5d56610c196
Reviewed-on: https://go-review.googlesource.com/c/go/+/649275
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
qmuntal
Harald Nordgren
Olivier Mengué
Albert Sundjaja
Carlos Amedee
Joel Sing
Tobias Klauser
Dmitrii Martynov
Than McIntosh
Ian Lance Taylor
Julian Zhu
Alan Yee
Filippo Valsorda
Michael Anthony Knyszek
Michael Pratt
Thomas Vaillant
Cherry Mui
Jorropo
Jes Cok
limeidan
Roland Shoemaker
Daniel Martí
Meng Zhuo
Julian Zhu
Rob Findley
Dan Peterson
alirezaarzehgar
Mateusz Poliwczak
qiulaidongfeng