1
0
mirror of https://github.com/golang/go synced 2024-11-17 04:04:46 -07:00
Commit Graph

53649 Commits

Author SHA1 Message Date
Cuong Manh Le
014f0e8205 runtime: convert mSpanStateBox.s to atomic type
Updates #53821

Change-Id: I02f31a7a8295deb3e840565412abf10ff776c2c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/424395
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Keith Randall <khr@google.com>
2022-08-17 16:26:24 +00:00
Cuong Manh Le
5b0ce94c07 runtime: convert g.parkingOnChan to atomic type
Updates #53821

Change-Id: I54de39b984984fb3c160aba5afacb90131fd47c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/424394
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2022-08-17 16:26:22 +00:00
Bryan C. Mills
ea6cb02ae5 cmd/go: propagate match errors in 'go run'
Fixes #51604.

Change-Id: I3bc86652c62d2b329d9c2db5ea443d56cf17f8d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/418094
Reviewed-by: Nooras Saba‎ <saba@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
2022-08-17 16:11:11 +00:00
Bryan C. Mills
bd1bff4e7a internal/testenv: add a test for the GoTool function
GoTool was added in CL 20967, and revised in CL 21292, for #14901.

I don't fully understand what problem the GoTool function was added to
solve: the discussion on that issue was pretty sparse, but it seems
like when we run tests of GOROOT packages they always know their own
location relative to GOROOT (and thus always know where to find the
'go' tool).

Lacking that understanding, I don't want to change its behavior, but I
do at least want to verify that it resolves to the real 'go' tool in
the common case (running 'go test' on a package in GOROOT/src).

For #50892
For #50893
Updates #14901

Change-Id: I06d831e6765be631dfc4854d7fddc3d27fc1de34
Reviewed-on: https://go-review.googlesource.com/c/go/+/381834
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-17 16:08:04 +00:00
Archana R
d09c6ac417 test/codegen: updated multiple tests to verify on ppc64,ppc64le
Updated multiple tests in test/codegen: math.go, mathbits.go, shift.go
and slices.go to verify on ppc64/ppc64le as well

Change-Id: Id88dd41569b7097819fb4d451b615f69cf7f7a94
Reviewed-on: https://go-review.googlesource.com/c/go/+/412115
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Archana Ravindar <aravind5@in.ibm.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Paul Murphy <murp@ibm.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-17 13:56:55 +00:00
Amarjeet Anand
2c46cc8b89 time: optimize GoString
Optimize Time.GoString by avoiding multiple calls to absDate.

	name        old time/op    new time/op    delta
	GoString-8     313ns ± 2%     197ns ± 1%  -37.08%  (p=0.008 n=5+5)

	name        old alloc/op   new alloc/op   delta
	GoString-8     80.0B ± 0%     80.0B ± 0%     ~     (all equal)

	name        old allocs/op  new allocs/op  delta
	GoString-8      1.00 ± 0%      1.00 ± 0%     ~     (all equal)

Fixes #54436

Change-Id: I8e6f8e7bbb9857b4bc0cdf6ed29a6b2415775db7
Reviewed-on: https://go-review.googlesource.com/c/go/+/423634
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
2022-08-17 04:10:17 +00:00
Cuong Manh Le
c411886c75 all: use "noopt" build tag for checking optimization disabled
Fixes #49390

Change-Id: Ie5a5e097635c9fdcf4509455007283009a7d3021
Reviewed-on: https://go-review.googlesource.com/c/go/+/423256
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-17 04:02:17 +00:00
Dmitri Goutnik
c04977fa76 runtime: add symbolic constants for freebsd/amd64 syscalls
Brings freebsd/amd64 on par with other OSes/archs.

Updates #53479

Change-Id: I05164c887d776dd4a0ae51eafd4014042b782999
Reviewed-on: https://go-review.googlesource.com/c/go/+/413366
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
2022-08-17 03:29:36 +00:00
Russ Cox
c6be7103a5 cmd/go: add go generate -skip flag
Following proposal discussion in #38687, add go generate -skip
to allow easier skipping of specific //go:generate directives.

Fixes #38687.

Change-Id: Ied5b4042965dd6a2b93c1c517045fccae2d95c3f
Reviewed-on: https://go-review.googlesource.com/c/go/+/421440
Auto-Submit: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2022-08-17 03:24:24 +00:00
Dmitri Goutnik
848febdcec runtime: add symbolic constants for freebsd/386 syscalls
Brings freebsd/386 on par with other OSes/archs.

Updates #53479

Change-Id: I16a7d051233e06e589b19919e68f07b6bf92f73c
Reviewed-on: https://go-review.googlesource.com/c/go/+/413365
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
2022-08-17 03:24:20 +00:00
ErikPelli
e1b62efaf3 encoding/base64: optimize decodemap memory set
The existing implementation has an execution time higher in the benchmark than this one.
This is an optimized implementation using the copy() function and a constant 256 bytes string with the values to be copied.

```
name           old time/op    new time/op    delta
NewEncoding-4     329ns ± 1%     231ns ± 1%  -29.72%  (p=0.008 n=5+5)

name           old speed      new speed      delta
NewEncoding-4   778MB/s ± 1%  1108MB/s ± 1%  +42.29%  (p=0.008 n=5+5)
```

Fixes #53211

Change-Id: I80fe62aa40623125ef81ae9164a8405eed30b71b
GitHub-Last-Rev: 55dce6f636
GitHub-Pull-Request: golang/go#53212
Reviewed-on: https://go-review.googlesource.com/c/go/+/410194
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-17 03:15:44 +00:00
Ian Lance Taylor
0d8efa6e84 internal/xcoff: use saferio to read string table
No test case because the problem can only happen for invalid data.
Let the fuzzer find cases like this.

For #47653
Fixes #52526

Change-Id: Id90a5e391a4f684f45f8d7e32608eb03b8081076
Reviewed-on: https://go-review.googlesource.com/c/go/+/413875
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2022-08-17 03:11:57 +00:00
Ian Lance Taylor
7adfa82726 debug/macho, internal/saferio: limit slice allocation
Don't allocate slices that are too large; choose a smaller capacity
and build the slice using append. Use this in debug/macho to avoid
over-allocating if a fat header is incorrect.

No debug/macho test case because the problem can only happen for
invalid data. Let the fuzzer find cases like this.

For #47653
Fixes #52523

Change-Id: I372c9cdbdda8626a3225e79d713650beb350ebc7
Reviewed-on: https://go-review.googlesource.com/c/go/+/413874
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
2022-08-17 03:08:49 +00:00
Abirdcfly
71424806fa archive/tar: delete unreachable continue code
Change-Id: Id492ee4e614a38880a6a5830371dcd9a8b37129a
Reviewed-on: https://go-review.googlesource.com/c/go/+/422214
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: hopehook <hopehook@qq.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: hopehook <hopehook@qq.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2022-08-17 03:03:59 +00:00
Ian Lance Taylor
cdb3789772 debug/pe, internal/saferio: use saferio to read PE section data
For #47653
Fixes #53189

Change-Id: If35b968fc53e4c96b18964cfb020cdc003b881bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/412014
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2022-08-17 03:01:47 +00:00
hopehook
9e6cd3985d all: clean up unreachable Continue after Fatal
As CL 422214 did, this CL intends to clean up the rest
unreachable "Continue" after Fatal.

Change-Id: I3b7e1b59bdfccb185e20525ce113e241d277dad3
Reviewed-on: https://go-review.googlesource.com/c/go/+/422514
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: hopehook <hopehook@qq.com>
2022-08-17 02:52:18 +00:00
Keith Randall
e49e876455 runtime: process ptr bitmaps one word at a time
[This is a retry of CL 407036 + its revert CL 422394. The only
content change is the 1-line change in cmd/internal/obj/objfile.go.]

Read the bitmaps one uintptr at a time instead of one byte at a time.

Performance so far:
 Allocation heavy, no retention: ~30% faster in heapBitsSetType
 Scan heavy, ~no allocation: ~even in scanobject

Change-Id: I04d899e1dbd23e989e9f552cdc1880318779c14c
Reviewed-on: https://go-review.googlesource.com/c/go/+/422635
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2022-08-16 20:39:44 +00:00
Keith Randall
6a9c674a09 runtime: redo heap bitmap
[this is a retry of CL 407035 + its revert CL 422395. The content is unchanged]

Use just 1 bit per word to record the ptr/nonptr bitmap.
Use word-sized operations to manipulate the bitmap, so we can operate
on up to 64 ptr/nonptr bits at a time.

Use a separate bitmap, one bit per word of the ptr/nonptr bitmap,
to encode a no-more-pointers signal. Since we can check 64 ptr/nonptr
bits at once, knowing the exact last pointer location is not necessary.

As a followon CL, we should make the gcdata bitmap an array of
uintptr instead of an array of byte, so we can load 64 bits of it at once.
Similarly for the processing of gc programs.

Change-Id: Ica5eb622f5b87e647be64f471d67b02732ef8be6
Reviewed-on: https://go-review.googlesource.com/c/go/+/422634
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
2022-08-16 20:39:36 +00:00
Damien Neil
a55793835f net/http/httputil: add ReverseProxy.Rewrite
Add a new Rewrite hook to ReverseProxy, superseding the Director hook.

Director does not distinguish between the inbound and outbound request,
which makes it possible for headers added by Director to be inadvertently
removed before forwarding if they are listed in the inbound request's
Connection header. Rewrite accepts a value containing the inbound
and outbound requests, with hop-by-hop headers already removed from
the outbound request, avoiding this problem.

ReverseProxy's appends the client IP to the inbound X-Forwarded-For
header by default. Users must manually delete untrusted X-Forwarded-For
values. When used with a Rewrite hook, ReverseProxy now strips
X-Forwarded-* headers by default.

NewSingleHostReverseProxy creates a proxy that does not rewrite the
Host header of inbound requests. Changing this behavior is
cumbersome, as it requires wrapping the Director function created
by NewSingleHostReverseProxy. The Rewrite hook's ProxyRequest
parameter provides a SetURL method that provides equivalent
functionality to NewSingleHostReverseProxy, rewrites the Host
header by default, and can be more easily extended with additional
customizations.

Fixes #28168.
Fixes #50580.
Fixes #53002.

Change-Id: Ib84e2fdd1d52c610e3887af66f517d4a74e594d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/407214
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
2022-08-16 20:01:36 +00:00
Changkun Ou
68005592b3 strings, bytes: add CutPrefix and CutSuffix
Fixes #42537

Change-Id: Ie03c2614ffee30ebe707acad6b9f6c28fb134a45
Reviewed-on: https://go-review.googlesource.com/c/go/+/407176
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Changkun Ou <mail@changkun.de>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-16 19:48:39 +00:00
cui fliter
0df7ad2e79 all: fix some typos
Change-Id: I147622770587cff1551a0be189003666463f34e3
GitHub-Last-Rev: 71b5375983
GitHub-Pull-Request: golang/go#54472
Reviewed-on: https://go-review.googlesource.com/c/go/+/424154
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-08-16 18:05:58 +00:00
Bryan C. Mills
805305e24f cmd/go: stamp VCS information in test binaries when -buildvcs=true
(But still not when -buildvcs=auto, the default.)

Fixes #52648.

Change-Id: I87a87d4ea84e8bf9635a4f7c8674c9311c3e21be
Reviewed-on: https://go-review.googlesource.com/c/go/+/409177
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
2022-08-16 17:18:19 +00:00
Alan Donovan
a45bbeae33 go/token: add (*FileSet).RemoveFile(*File) method
The design of FileSet encourages it to be used as a global variable.
Each call to AddFile consumes about 3KB, that is never returned,
even after an application no longer cares about the File.
This change adds a RemoveFile method that a long-running application
can use to release a File that is no longer needed, saving memory.

Fixes golang/go#53200

Change-Id: Ifd34d650fe0d18b1395f922a4cd02a535afbe560
Reviewed-on: https://go-review.googlesource.com/c/go/+/410114
Auto-Submit: Alan Donovan <adonovan@google.com>
Run-TryBot: Alan Donovan <adonovan@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-08-16 16:27:35 +00:00
Bryan C. Mills
98f3eb2d3e cmd/go: restore TestLegacyMod as a script test
This test was apparently mistakenly removed without a replacement in
CL 213223, but its testdata was left in the tree. This change removes
the orphaned testdata subdirectory, and restores the test that
previously used that data as a self-contained script.

For #27494.

Change-Id: Ice81895a44c558aaab198b8ef7ec046d92f5d58f
Reviewed-on: https://go-review.googlesource.com/c/go/+/417658
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-16 16:15:13 +00:00
Bryan C. Mills
a135f8e251 cmd/go: convert TestAccidentalGitCheckout to a script test
As far as I can determine, this is the only existing non-script test
that relies on vcs-test.golang.org. I am attempting to eliminate the
vcs-test server, and to keep configuration straightforward I would
like to only set up its replacement for script tests.

For #27494.

Change-Id: Ib978228b9c3f403af5f1c445e08942cbe7915b62
Reviewed-on: https://go-review.googlesource.com/c/go/+/418103
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
2022-08-16 16:14:48 +00:00
Russ Cox
bd3c35e732 testing: do not print 'root' benchName during test of package testing
$ cd $GOROOT/src/testing
	$ go test
	root
	root
	root
	root
	PASS
	$

The root prints have been happening since Go 1.14.
There is a test in sub_test.go that calls b.Run directly
with a benchmark named "root", which triggers the print.
Silence them.

Change-Id: I2f0c186f04c6139bc24fab0e91975fcf0a8e80fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/421437
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-16 14:36:05 +00:00
Tobias Klauser
b565476e2c cmd/go/internal/mmap: use syscall.Mmap on solaris
Now that syscall.Mmap is defined on solaris (see CL 413374), use it in
mmapFile like on other Unix ports.

For #52875

Change-Id: Ic5c5a84da8613f0c6dc947a52b7fcca50af43d79
Reviewed-on: https://go-review.googlesource.com/c/go/+/413375
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
2022-08-16 05:09:57 +00:00
Cuong Manh Le
5e7697b627 test: add regression test for issue 43942
CL 356011 fixed this issue too.

Fixes #43942

Change-Id: I35ad397e78eeb80eff3a4217c4d40f15d40bdebb
Reviewed-on: https://go-review.googlesource.com/c/go/+/423814
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-16 01:54:23 +00:00
Robert Griesemer
f80b12667c go/types, types2: check integer constant literal overflow
Fixes #54280.

Change-Id: I44a31daaace50bc90c96cd36387bd1a009d6a287
Reviewed-on: https://go-review.googlesource.com/c/go/+/424055
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-16 01:11:29 +00:00
Robert Griesemer
7ec0ec3645 go/types, types2: skip comparison for operands with invalid types
Fixes #54405.

Change-Id: Ia7b2709b83966fa080e41e3d4818527d1e8b49f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/424054
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
2022-08-16 01:11:27 +00:00
Damien Neil
e3c2e4cb7d net/http: make Request.WithContext documentation less prescriptive
WithContext makes a shallow copy of a Request, and Clone makes a
deep copy. Both set the context of the new request. The distinction
between the two is clear, and it doesn't seem useful or necessary
to say that "it's rare to need WithContext".

Also update a couple locations that mention WithContext to mention
Clone as well.

Fixes #53413.

Change-Id: I89e6ddebd7d5ca6573e522fe48cd7f50cc645cdd
Reviewed-on: https://go-review.googlesource.com/c/go/+/412778
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
2022-08-15 21:54:27 +00:00
Robert Findley
de0f4d190f go/types, types2: don't build unnecessary error strings in implements
When accessing (*Checker).implements from types.AssignableTo or
types.ComparableTo, we don't need to build error strings -- they won't
be used.

This string manipulation showed up as a hot spot in gopls completion,
which checks a lot of type predicates when searching for candidate
completions.

This CL yields the following results for gopls' completion benchmarks:

StructCompletion-8         24.7ms ±34%  26.0ms ±17%     ~     (p=0.447 n=10+9)
ImportCompletion-8         1.41ms ± 2%  1.45ms ± 4%   +2.42%  (p=0.027 n=8+9)
SliceCompletion-8          27.0ms ±18%  25.2ms ± 3%   -6.67%  (p=0.008 n=9+8)
FuncDeepCompletion-8       57.6ms ± 4%  22.4ms ± 4%  -61.18%  (p=0.000 n=8+9)
CompletionFollowingEdit-8   157ms ±13%   103ms ±15%  -34.70%  (p=0.000 n=10+10)

Notably, deep completion (which searches many candidates) is almost 3x
faster after this change.

Fixes #54172

Change-Id: If8303a411aed3a20bd91f7b61e346d703084166c
Reviewed-on: https://go-review.googlesource.com/c/go/+/423360
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
2022-08-15 20:41:00 +00:00
Martin Möhrmann
7b45edb450 bytes: add Clone function
The new Clone function returns a copy of b[:len(b)]
for the input byte slice b.
The result may have additional unused capacity.
Clone(nil) returns nil.

Fixes #45038

Change-Id: I0469a202d77a7b491f1341c08915d07ddd1f0300
Reviewed-on: https://go-review.googlesource.com/c/go/+/359675
Run-TryBot: Martin Möhrmann <martin@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-15 19:17:20 +00:00
Martin Möhrmann
69a8954282 runtime: document GODEBUG=cpu.* in runtime package
So far was only documented in doc/diagnostics.

Fixes: #54183

Change-Id: Iab67a1500547f30325453c614a2f2f6621dfadb3
Reviewed-on: https://go-review.googlesource.com/c/go/+/423275
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
2022-08-15 19:15:11 +00:00
Amit Saha
95c125a44a net/http: allow zero-valued Expires in Cookie.Valid
The value of Expires is only checked when a value is set.

This fixes the bug that a cookie with a zero-valued Expire
was considered invalid, even though Expires is an optional
field.

Fixes #52989

Change-Id: I206c50e9b6ea2744a92c74673d589ce2aaa62670
Reviewed-on: https://go-review.googlesource.com/c/go/+/407654
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-15 18:58:51 +00:00
Alexander Yastrebov
05ff045dfe net/http: add Server.DisableOptionsHandler for custom handling of OPTIONS *
Fixes #41773

Change-Id: I432ad5410d5e3bb0aff3a6e0eea6906ab1b214e2
GitHub-Last-Rev: 57d1ee249d
GitHub-Pull-Request: golang/go#49014
Reviewed-on: https://go-review.googlesource.com/c/go/+/356410
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: hopehook <hopehook@qq.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-15 18:57:35 +00:00
xiongwy12
f7e6986d6b cmd/internal/obj: remove redundant code in genFuncInfoSyms
The length of slice hashedsyms is always 0, because it's not used after defined

Change-Id: Iba8e263aedfa403d5688678a1b37c2be3119eb7f
GitHub-Last-Rev: c236c4a482
GitHub-Pull-Request: golang/go#53450
Reviewed-on: https://go-review.googlesource.com/c/go/+/413234
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: guangyuan zhou <zhouguangyuan@golangcn.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2022-08-15 18:52:17 +00:00
Tobias Klauser
8ec1aa889f net: use testenv.SkipIfOptimizationOff in TestAllocs
Use the helper added by CL 422038 instead of manually detecting the
noopt builder.

Change-Id: I353f1a9d5f0184d73869520eb1ae8d0bdbbe2006
Reviewed-on: https://go-review.googlesource.com/c/go/+/423855
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2022-08-15 18:44:19 +00:00
Russ Cox
1d66144bfd build: update comments about Go 1.4 in make.bash, make.bat, make.rc
A few lingering references to Go 1.4 remain.
Fix them, and document the ones that should stay.

For #44505.
Fixes #54301.

Change-Id: Ieb9c0f08e4d1890ea3fdfd9c8df5493934ae7493
Reviewed-on: https://go-review.googlesource.com/c/go/+/423354
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2022-08-15 18:40:54 +00:00
cuiweixie
a13903562d cmd/compile/internal/ssagen: gofmt -w -s ssa.go
Change-Id: Ie169c226e8973c8b504412cc0ac1f14abcdfdb1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/423755
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
2022-08-15 17:51:36 +00:00
Cuong Manh Le
4a4e206884 test: fix issue53702.go for noopt builder
The test requires inlining happens.

Updates #53702

Change-Id: I0d93b5e29e271ace4098307b74c40c0e06d975e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/423834
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2022-08-15 17:50:32 +00:00
Cuong Manh Le
e99f285d52 cmd/compile: fix ICE when checking implicit dot for method call
CL 414836 limited the check for implicit dot for method call enabled by
a type bound. However, the checking condition for ODOTMETH only is not
right. For example, for promoted method, we have a OXDOT node instead,
and we still have to check for implicit dot in this case.

However, if the base type and embedded types have the same method name,
e.g in issue #53419, typecheck.AddImplicitDots will be confused and
result in an ambigus selector.

To fix this, we ensure methods for the base type are computed, then only
do the implicit dot check if we can find a matched method.

Fixes #54348

Change-Id: Iefe84ff330830afe35c5daffd499824db108da23
Reviewed-on: https://go-review.googlesource.com/c/go/+/422274
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
2022-08-15 17:49:19 +00:00
Alan Donovan
1f833e4a1b go/constant: share the empty string
This saves 11,000 allocations when loading the standard library
in golang.org/x/tools/go/ssa form.

Change-Id: I8aa32b0641c1a3dde29e6ee76c760006035dd56d
Reviewed-on: https://go-review.googlesource.com/c/go/+/423934
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Alan Donovan <adonovan@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
2022-08-15 17:42:12 +00:00
Wayne Zuo
c8000a18d6 cmd/compile,math: remove all sqrt assembly code
This CL make math.sqrt an intrinsic function, math.Sqrt is not affected
since compiler can inline it. With this change, we can remove all assembly
code for math.Sqrt that aims to speed up indirect call. The go compiler can
generate same or faster code (with regabi) for indirect call.

Benchmark on amd64:
name                 old time/op  new time/op  delta
SqrtIndirect         2.60ns ± 3%  1.03ns ± 4%  -60.24%  (p=0.000 n=10+10)
SqrtLatency          3.40ns ± 1%  3.32ns ± 1%   -2.26%  (p=0.000 n=10+8)
SqrtIndirectLatency  6.09ns ± 0%  3.31ns ± 0%  -45.67%  (p=0.000 n=10+10)
SqrtGoLatency        36.1ns ± 6%  34.6ns ± 1%     ~     (p=0.101 n=10+10)
SqrtPrime            2.53µs ± 2%  2.55µs ± 6%     ~     (p=0.398 n=9+9)

Change-Id: If4be0f242c1d9d4feca7d269fc9cd6e6066f163d
Reviewed-on: https://go-review.googlesource.com/c/go/+/421074
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-08-15 17:07:57 +00:00
Wayne Zuo
09932f95f5 cmd/compile: combine more constant stores on amd64
Fixes #53324

Change-Id: I06149d860f858b082235e9d80bf0ea494679b386
Reviewed-on: https://go-review.googlesource.com/c/go/+/411614
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-15 16:19:21 +00:00
Cuong Manh Le
8adc63b3eb Revert "runtime/trace: add missing events for the locked g in extra M."
This reverts commit ea9c3fd42d.

Reason for revert: break linux/ricsv64, openbsd/arm, illumos/amd64 builders

Change-Id: I98479a8f63e76eed89a0e8846acf2c73e8441377
Reviewed-on: https://go-review.googlesource.com/c/go/+/423437
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
2022-08-15 15:22:28 +00:00
ted
f1b1557cf3 internal/cpu: detect sha-ni instruction support for AMD64
addresses proposal #53084
    required by sha-256 change list developed for #50543

Change-Id: I5454d746fce069a7a4993d70dc5b0a5544f8eeaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/408794
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@google.com>
2022-08-15 15:15:10 +00:00
WANG Xuerui
2c5b174616 cmd/link: recognize the new R_LARCH_32_PCREL type on loong64
Due to the latest binutils change [1], at least for certain 32-bit
relocs in .eh_frame section, this new type of relocation record is
emitted, leading to breakage on systems with bleeding-edge toolchain
when trying to link with object(s) with such new-style relocs.

Simply treating it the same as the existing reloc types seems enough.

Fixes #54222

[1]: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f09482a8747b6fd4c2d59a6a64677d3a3fe1e092

Change-Id: I876d6711d5d4a674bead37e57f9503f1622d1136
Reviewed-on: https://go-review.googlesource.com/c/go/+/420983
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2022-08-15 13:11:25 +00:00
Mike Faraponov
03fb5d7574 crypto/tls: remove unused hashForClientCertificate param
Change-Id: I86af2508a31ea1e79d362c22ff4fac8900536761
GitHub-Last-Rev: d2a1ddccbd
GitHub-Pull-Request: golang/go#52328
Reviewed-on: https://go-review.googlesource.com/c/go/+/399829
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
2022-08-14 00:26:03 +00:00
djdv
beaa5717ba make.bat: handle spaces in path when determining bootstrap version
Single quotes don't account for whitespace in this context, which causes
output to look like this:

$ ./make.bat
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
Building Go cmd/dist using C:\Program Files\Go. (go version =)

When it should look like this:

Building Go cmd/dist using C:\Program Files\Go. (go1.19 windows/amd64)

For #44505.

Change-Id: I71328add5c74bd2829c0e23224cfa6252395ff2c
GitHub-Last-Rev: a01fda6b52
GitHub-Pull-Request: golang/go#54270
Reviewed-on: https://go-review.googlesource.com/c/go/+/421356
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-08-14 00:22:21 +00:00