A workaround has been submitted.

Updates #27993

Change-Id: Ife6443c32673b38000b90dd2efb2985db37ab773
Reviewed-on: https://go-review.googlesource.com/c/156318Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

These updates have been automatically generated using a modified
version of the updateac command with the following changes:

-	code to automatically update the AUTHORS file has been removed,
	since we're not updating that file automatically after Go 1.11
	(see CL 128877)
-	CLA checking code has been removed, since it was primarily needed
	for updating the AUTHORS file
-	instead of executing the misc/sortac binary, its code was embedded
	into the updateac command itself

The modified updateac command will be added to x/build repository soon,
and the misc/sortac command can be removed afterwards.

Updates #12042

Change-Id: Ibf73068698b14b1aad4df4490747b488508ff5fd
Reviewed-on: https://go-review.googlesource.com/c/156278Reviewed-by: Filippo Valsorda <filippo@golang.org>

Change-Id: I9350e5a72e3c375f6b76897708f09f1f50c7be14
Reviewed-on: https://go-review.googlesource.com/c/155482Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #29439
Updates #28466

Change-Id: Ifa0779a089a969f99f1a47127e23565f31eec24f
Reviewed-on: https://go-review.googlesource.com/c/155929Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>

Fixes #29541

Change-Id: I006915b020b6e710298c32c05e3de77a7f9b54f3
GitHub-Last-Rev: c7a90a4bbe17fd1904c0942e8b343264fb85cba1
GitHub-Pull-Request: golang/go#29542
Reviewed-on: https://go-review.googlesource.com/c/156277
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #23899
Fixes #28458

Change-Id: Ie177f2d4c399445d8d5e1a327f2419c7866cb45e
Reviewed-on: https://go-review.googlesource.com/c/155697
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>

We still don't understand what's causing there to be remaining GC work
when we enter mark termination, but in order to move forward on this
issue, this CL implements a work-around for the problem.

If debugCachedWork is false, this CL does a second check for remaining
GC work as soon as it stops the world for mark termination. If it
finds any work, it starts the world again and re-enters concurrent
mark. This will increase STW time by a small amount proportional to
GOMAXPROCS, but fixes a serious correctness issue.

This works-around #27993.

Change-Id: Ia23b85dd6c792ee8d623428bd1a3115631e387b8
Reviewed-on: https://go-review.googlesource.com/c/156140
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Rick Hudson <rlh@golang.org>

This test case failed on the longtest builder. It relied on
runtime/internal/atomic not being compiled with the -l flag in the
cache. The test case now creates its own GOCACHE, similar to
build_cache_compile and a few others.

Also, mention the correct issue the test case verifies.

Fixes #29395

Change-Id: Id50e9dfc50db03fb11582d3dd6b69c3e1ed750eb
Reviewed-on: https://go-review.googlesource.com/c/156237
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

As a followon to CL 152537, modify the panic-printing traceback
to also handle mid-stack inlining correctly.

Also declare -fm functions (aka method functions) as wrappers, so that
they get elided during traceback. This fixes part 2 of #26839.

Fixes #28640
Fixes #24488
Update #26839

Change-Id: I1c535a9b87a9a1ea699621be1e6526877b696c21
Reviewed-on: https://go-review.googlesource.com/c/153477Reviewed-by: David Chase <drchase@google.com>

Use the length of the bitmap to decide how much to pass to the
write barrier, not the total length of the arguments.

The test needs enough arguments so that two distinct bitmaps
get interpreted as a single longer bitmap.

Update #29362

Change-Id: I78f3f7f9ec89c2ad4678f0c52d3d3def9cac8e72
Reviewed-on: https://go-review.googlesource.com/c/156123
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>

Fixes #29517

Change-Id: I7e741d82bb9f8e6ab39b6d9ab37ba6163176a097
GitHub-Last-Rev: 764d0bd9579cd90868c6a134cbb06dda584474d7
GitHub-Pull-Request: golang/go#29519
Reviewed-on: https://go-review.googlesource.com/c/156118Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Derived	from Naoki's reproducer.

Update #29362

Change-Id: I1cbd33b38a2f74905dbc22c5ecbad4a87a24bdd1
Reviewed-on: https://go-review.googlesource.com/c/156122
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

After CL 31455, "go fun(n)" may put "n" to write barrier buffer
when there are no pointers in fun's arguments.

Fixes #29362

Change-Id: Icfa42b8759ce8ad9267dcb3859c626feb6fda381
Reviewed-on: https://go-review.googlesource.com/c/155779Reviewed-by: Keith Randall <khr@golang.org>

In the twoNonZero function in hash_test, the buffer is sliced as [:] three times. This change deletes them.

Change-Id: I0701d0c810b4f3e267f80133a0dcdb4ed81fe356
Reviewed-on: https://go-review.googlesource.com/c/156138Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Fixes bug introduced by https://golang.org/cl/129059 where
gcflags='all=...' and ldflags='all=...' would not be applied to some
packages built by 'go test'.

LoadImport used to set gcflags/ldflags for the Package objects it
created, in https://golang.org/cl/129059 this code was factored out to
setToolFlags. The codepath of `go build` was updated to call
setToolFlags appropriatley, but the codepath of `go test -c` wasn't,
resulting in gcflags/ldflags being applied inconsistently when building
tests.

This commit changes TestPackagesFor to call setToolFlags on the package
objects it creates.

Fixes #27681

Change-Id: Idcbec0c989ee96ec066207184611f08818873e8d
Reviewed-on: https://go-review.googlesource.com/c/136275
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>

CL 152537 introduced a new use for ginsnop, the arch-dependent
routine that generates nops. The previous s390x nop clobbered flags.
It turns out the previous uses of this nop did not require flags
to be preserved, but the new use does.

Use a real nop: the 4-byte preferred nop.

Fixes #29453

Change-Id: I95310dfdd831932e26f5d5b6608324687f4c3162
Reviewed-on: https://go-review.googlesource.com/c/155926Reviewed-by: Michael Munday <mike.munday@ibm.com>

Updates #29225

Change-Id: I4c9b7a108861ce5c9ab84f7324ced3da51e7bf2a
Reviewed-on: https://go-review.googlesource.com/c/156119
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #29337

Change-Id: I1d632d19058c63dac8e25d2a5ad55555c1aec9d4
Reviewed-on: https://go-review.googlesource.com/c/155438Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Recent changes to compiler backtraces perturbed the line
number assignment, some better, some worse, probably net
worse.  For purposes of passing the long tests, update the
reference files (delve's file was also stale).

TODO: Figure out a less delicate way to locate statement
boundaries for 1.13.

Fixes #29511.

Change-Id: If0e488341d848ba6012045b126c86b1250408d65
Reviewed-on: https://go-review.googlesource.com/c/156021
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

CL 156019 adds some debug output, including printing ssa.relation
as string. Update the map.

Change-Id: I0299d2008d199da10d86e5b47a50385b3a314c68
Reviewed-on: https://go-review.googlesource.com/c/156020
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #29507

Change-Id: I8cf52e4b89fd28126f252757260d07a31d9dad61
Reviewed-on: https://go-review.googlesource.com/c/155933Reviewed-by: Katie Hockman <katie@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>

Fixes #28466

Change-Id: I05b2e0da09394d111913963b60f2ec865c9b4744
Reviewed-on: https://go-review.googlesource.com/c/155931
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>

Currently it's possible for the runtime to deadlock if checkPut is
called in a non-preemptible context. In this case, checkPut may spin,
so it won't leave the non-preemptible context, but the thread running
gcMarkDone needs to preempt all of the goroutines before it can
release the checkPut spin loops.

Fix this by returning from checkPut if it's called under any of the
conditions that would prevent gcMarkDone from preempting it. In this
case, it leaves a note behind that this happened; if the runtime does
later detect left-over work it can at least indicate that it was
unable to catch it in the act.

For #27993.
Updates #29385 (may fix it).

Change-Id: Ic71c10701229febb4ddf8c104fb10e06d84b122e
Reviewed-on: https://go-review.googlesource.com/c/156017
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rick Hudson <rlh@golang.org>

Introduce an incomplete map in dist alongside cgoEnabled and filter out
the incomplete ports in 'dist list'.

Fixes #28944

Change-Id: I15aae56aec570e1cd9e28906900cd5ba0db77811
Reviewed-on: https://go-review.googlesource.com/c/155839
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

In the case of x+d >= w, where d and w are constants, we are
deriving x is within the bound of min=w-d and max=maxInt-d. When
there is an overflow (min >= max), we know only one of x >= min
or x <= max is true, and we derive this by excluding the other.
When excluding x >= min, we did not consider the equal case, so
we could incorrectly derive x <= max when x == min.

Fixes #29502.

Change-Id: Ia9f7d814264b1a3ddf78f52e2ce23377450e6e8a
Reviewed-on: https://go-review.googlesource.com/c/156019Reviewed-by: David Chase <drchase@google.com>

Updates #29508
Updates #28679

Change-Id: I19bc9f88aeb2b1f3e69856173a00c5a4d5ed3613
Reviewed-on: https://go-review.googlesource.com/c/155932
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>

When using switching protocol, previous headers set before the reverse proxy are lost.

Fixes #29407

Change-Id: Ia2b9784022d9bccef8625519ccbabbe8a276dfc0
GitHub-Last-Rev: 79bb493dcbb9b76d9d2ff9cd0854b29d634f8b73
GitHub-Pull-Request: golang/go#29408
Reviewed-on: https://go-review.googlesource.com/c/155741Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Change-Id: I87d0bc78a246e479d97b3f83cf77c1f701975413
GitHub-Last-Rev: 22cd684e08464f0e01f1cba2235443371dba3a5d
GitHub-Pull-Request: golang/go#29157
Reviewed-on: https://go-review.googlesource.com/c/153298
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Austin Clements <austin@google.com>

Fixes #23669

Change-Id: Ib7f0aab0b066f778a3097583f432f8092310fb81
Reviewed-on: https://go-review.googlesource.com/c/155598Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

methodbyname was used for sorting in bexport.go, until
https://golang.org/cl/139338 removed the code that
invoked sorting function.

R=1.13

Change-Id: I13e313fb60111a142ed3883d81916af254445fdc
Reviewed-on: https://go-review.googlesource.com/c/155959
Run-TryBot: Iskander Sharipov <quasilyte@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

A notetsleepg may get stuck if its timeout callback gets invoked
exactly on its deadline due to low precision of nanotime. This change
fixes the comparison so it also resolves the note if the timestamps are
equal.

Updates #28975

Change-Id: I045d2f48b7f41cea0caec19b56876e9de01dcd6c
Reviewed-on: https://go-review.googlesource.com/c/153558
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Removes spurious equals sign from REFLECTMETHOD macro.

Fixes #29487

Change-Id: Iaa3d85ff57087aa79a259f28816f8b0a552536f3
Reviewed-on: https://go-review.googlesource.com/c/155927
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

whereas this is a longstanding tradition
and insofaras it is worth continuing such traditions
and notwithstanding an attempt at future-proofing
thetruthofthematter is that I have been waiting for years to send this change
so despiteallobjections I have updated the copyright year.

Change-Id: I55961b15a7eda35d84fdd9250afdbe19f0bf8412
Reviewed-on: https://go-review.googlesource.com/c/155928Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>

Fixes #29461

Change-Id: I5db8bc80e5bd0778dced8471581c67e66853aada
Reviewed-on: https://go-review.googlesource.com/c/155924Reviewed-by: Rob Pike <r@golang.org>

CL 138595 introduced the new names when the hardcoded stat8 definitions was replaced
with a cgo generated one.

Fixes #29393
Updates #22448

Change-Id: I6309958306329ff301c17344b2e0ead0cc874224
Reviewed-on: https://go-review.googlesource.com/c/155958
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Change-Id: I336ad707a85bf0c81b6c2230c90452c0b3b92924
Reviewed-on: https://go-review.googlesource.com/c/155998Reviewed-by: Robert Griesemer <gri@golang.org>

Use EnumTimeFormatsEx() to test panics across callback boundaries
instead of EnumWindows(). EnumWindows() is incompatible with Go's panic
unwinding mechanism. See the associated issue for more information.

Updates #26148

Change-Id: If1dd70885d9c418b980b6827942cb1fd16c73803
Reviewed-on: https://go-review.googlesource.com/c/155923
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>

Change-Id: I5f9de0daa3c18ecd7d6cd30ea13d147e227b3550
GitHub-Last-Rev: 5eabcbd91f8988c8f74f5bd11fb0e79cb85a9451
GitHub-Pull-Request: golang/go#29454
Reviewed-on: https://go-review.googlesource.com/c/155920Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

CL 155917 added a -race test that shouldn't be run when cgo is not
enabled. Enforce this in the test file, with a buildflag.

Fixes the nocgo builder.

Change-Id: I9fe0d8f21da4d6e2de3f8fe9395e1fa7e9664b02
Reviewed-on: https://go-review.googlesource.com/c/155957
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Reorg map flags a bit so we don't need any extra space for the extra flag.

Fixes #23734

Change-Id: I436812156240ae90de53d0943fe1aabf3ea37417
Reviewed-on: https://go-review.googlesource.com/c/155918
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>