The TLS implementation previously kept a separate buffer for
incoming pieces of data, into which buffers were copied
before they were up for writing.

This removes this buffer, and replaces it with a simple list
of `uv_buf_t`s:

- The previous implementation copied all incoming data into
  that buffer, both allocating new storage and wasting time
  with copy operations. Node’s streams/net implementation
  already has to make sure that the allocated memory stays
  fresh until the write is finished, since that is what
  libuv streams rely on anyway.
- The fact that a separate kind of buffer, `crypto::NodeBIO`
  was used, was confusing: These `BIO` instances are
  only used to communicate with openssl’s streams system
  otherwise, whereas this one was purely for internal
  memory management.
- The name `clear_in_` was not very helpful.

PR-URL: #17883
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

Original commit message:

    Introduce ScriptOrModule and HostDefinedOptions

    This patch introduces a new container type ScriptOrModule which
    provides the name and the host defined options of the script/module.

    This patch also introduces a new PrimitivesArray that can hold
    Primitive values, which the embedder can use to store metadata.

    The HostDefinedOptions is passed to V8 through the ScriptOrigin, and
    passed back to the embedder through HostImportModuleDynamically for
    module loading.

    Bug: v8:5785, v8:6658, v8:6683
    Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
    Change-Id: I56c26fc9a680b273ac0a6691e5ad75f15b8dc80a
    Reviewed-on: https://chromium-review.googlesource.com/622158
    Reviewed-by: Adam Klein <adamk@chromium.org>
    Reviewed-by: Georg Neis <neis@chromium.org>
    Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#47724}

Backport-PR-URL: #17823
PR-URL: #16889
Refs: v8/v8@dbfe4a4
Refs: #15713
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

This is an initial implementation to support dynamic import in
both scripts and modules. It's off by default since support for
dynamic import is still flagged in V8. Without setting the V8 flag,
this code won't be executed.

This initial version does not support importing into vm contexts.

Backport-PR-URL: #17823
PR-URL: #15713
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>

currently if you want to use dynamic import you must use both the
`--experimental-modules` and the `--harmony-dynamic-imports` flags.
Chrome is currently shipping dynamic import unflagged, the flag
only remains in V8 to guard embedders who have not set the appropriate
callback from throwing an unhandled rejection when the feature is used.

As such it is reasonable to enable the flag by default for
`--experimental-modules`

Backport-PR-URL: #17823
PR-URL: #18387
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

Test test-require-deps-deprecation.js was failing when user already had
node installed with acorn in require.resolve range.

Modified test to acknowledge the possibility and throw only if acorn is
found in the deps directory.

Also changed the deprecation test for v9.x: common.expectWarning was failing
because the required deps now throw ReferenceErrors when not properly called
internally in the right order.

Bacport-PR-URL: #18077
PR-URL: #17848
Fixes: #17148
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Backport-PR-URL: #18465
PR-URL: #18111
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Backport-PR-URL: #18487
PR-URL: #17403
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>

Instead of callback bound apply, instead use the standard
Reflect.apply. This is both safer and appears to offer
a slight performance benefit.

Backport-PR-URL: #18487
PR-URL: #17456
Refs: #12956
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Fix an issue where error is never emitted on the original EventEmitter
in situations where a listener for error does exist.

Refactor to eliminate unnecessary try/catch/finally block.

Backport-PR-URL: #18487
PR-URL: #17588
Refs: #17403
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: #16874
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>

PR-URL: #18596
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Replace some repeated full links
with concise ones and bottom references.

PR-URL: #18213
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

- Update to Maintainance ICU 60.2
- CLDR 32.0.1
- http://site.icu-project.org/download/60#TOC-ICU-60.2-bug-fixes
- Subsumes #16931

PR-URL: #17687
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Reworked rebase of PR #17360 with feedback

PR-URL: #18194
Fixes: #17340
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: #18293
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>

Ensure `common.tmpDir` exists before trying to chdir into it.  Fixes a
"ENOENT: no such file or directory, uv_chdir" error when the temporary
directory is removed before running the test.

PR-URL: #17407
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

V8's behavior changed in c3bd741efd. Top-level variables
in a module are no longer context-allocated by default.

PR-URL: #18312
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Long ago, V8 was much faster switching on string lengths than values.
That is no longer the case, so we can simplify a couple of methods.

PR-URL: #18351
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Kyle Farnung <kfarnung@microsoft.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>

Move the majority of C++ domain-related code into JS land by introducing
a top level domain callback which handles entering & exiting the domain.

Move the rest of the domain necessities into their own file that creates
an internal binding, to avoid exposing domain-related code on the
process object.

Modify an existing test slightly to better test domain-related code.

PR-URL: #18291
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

- remove TODOs: the one about defaults has been
addressed, and the one about testing is a work
item that doesn't belong in a doc.
- add some background information

Fixes: #7843

PR-URL: #16939
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: #18445
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>

PR-URL: #18376
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Fixes: #18434
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

This is described as being a doc-only deprecation subset.

Refs: #18417
PR-URL: #18433
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

It makes more sense to provide instructions on how to update the PR
branch before instructions on pushing the commit.

PR-URL: #18355
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>

PR-URL: #18460
Fixes: #18459
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Nikolai Vavilov <vvnicholas@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>

PR-URL: #18468
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Welcome Gibson to the TSC!

PR-URL: #18481
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: #18414
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1. Fixer for crypto-check.js
2. Extends tests

PR-URL: #16647
Refs: #16636
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1. Adds fixer method
2. Extends test

PR-URL: #16646
Refs: #16636
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: #18739
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>

Currenlty when configuring --debug-http2
/test/parallel/test-http2-getpackedsettings.js will segment fault:

$ out/Debug/node test/parallel/test-http2-getpackedsettings.js
Segmentation fault: 11

This is happening because the settings is created with the Environment in
PackSettings:
Http2Session::Http2Settings settings(env);
This will cause the session to be set to nullptr. When the init
function is later called the expanded DEBUG_HTTP2SESSION macro will
cause the segment fault when the session is dereferenced.

PR-URL: #18815
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

When using a debug build (on Windows specifically) the error case for
tls_wrap causes an assert to fire because the index being passed is
outside the bounds of the vector.

The fix is to switch to iterators.

PR-URL: #18830
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

PR-URL: #18872
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: #18873
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

Refs: #11135

PR-URL: #18843
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>

PR-URL: #18845
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

PR-URL: #18849
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

PR-URL: #18850
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

This fixes a bug in the CPU profiler where some ticks were attributed
to the wrong file.

Original commit message:
  [cpu-profiler] Fix script name when recording inlining info

  Use the script name from the shared function info to create an
  inline entry. Otherwise functions are attributed to the wrong file
  in the CpuProfileNode.

  See googleapis/cloud-profiler-nodejs#89

  Bug: v8:7203, v8:7241
  Change-Id: I8ea31943741770e6611275a9c93375922b934547
  Reviewed-on: https://chromium-review.googlesource.com/848093
  Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
  Commit-Queue: Franziska Hinkelmann <franzih@chromium.org>
  Cr-Commit-Position: refs/heads/master@{#50339}

Refs: v8/v8@76c3ac5
PR-URL: #18298
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Note that the CI run for the exercise can be minimal.

PR-URL: #18846
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: #18847
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>

* Sync format schemes with the current doc state.
* Lowercase primitive types.
* Fix typos and unify the style.
* Remove tautological info.

PR-URL: #18874
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

Notable changes:

* async_hooks:
  - deprecate unsafe emit{Before,After} (Ali Ijaz Sheikh)
    #18513
  - rename PromiseWrap.parentId to PromiseWrap.isChainedPromise
    (Ali Ijaz Sheikh) #18633
* deps:
  - update node-inspect to 1.11.3 (Jan Krems)
    #18354
  - ICU 60.2 bump (Steven R. Loomis)
    #17687
  - Introduce ScriptOrModule and HostDefinedOptions to V8 (Jan Krems)
    #16889
* http:
  - add options to http.createServer() for `IncomingMessage` and
    `ServerReponse` (Peter Marton)
    #15752
* http2:
  - add http fallback options to .createServer (Peter Marton)
    #15752
* https:
  - Adds the remaining options from tls.createSecureContext() to the
    string generated by Agent#getName(). This allows https.request()
    to accept the options and generate unique sockets appropriately.
    (Jeff Principe)
    #16402
* inspector:
  - --inspect-brk for es modules (Guy Bedford)
    #18194
* lib:
  - allow process kill by signal number (Sam Roberts)
    #16944
* module:
  - enable dynamic import (Myles Borins)
    #18387
  - dynamic import is now supported (Jan Krems)
    #15713
* napi:
  - add methods to open/close callback scope (Michael Dawson)
    #18089
* src:
  - allow --perf-(basic-)?prof in NODE_OPTIONS (Leko)
    #17600
* vm:
  - add support for es modules (Gus Caplan)
    #17560

PR-URL: #18902