We represent WTF-8 views as ByteArray instances.

Bug: v8:12868
Change-Id: I642ee2ef3d6fd7ea0f383073b282549c31233c7b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3750931
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81607}

Bug: v8:7700
Change-Id: I78d22fe079313312274a1ee9ac285d5dc4e9c38f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751208Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81606}

The stack-switching variant of the wasm-to-js wrapper was only generated
for js functions with matching arity. Also suspend for js functions with
mismatching arity and unknown callables.

R=ahaas@chromium.org

Bug: v8:12191
Change-Id: Iab3e2d85210c86a814ae1defab9cd57bf74d80d2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749578Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81605}

Having interrupt budget updates be part of register allocation caused
various difficulties around gap moves for temporaries vs. gap moves for
phis. This patch splits them off into a separate node which is
separately allocated, and adds invariant checks that phi-updating nodes
don't do any other tricky register allocation.

Bug: v8:7700
Change-Id: I5a454fe4c5a5adff08d5a327ee34fbb43cda97ce
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751196Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81604}

This is a reland of commit 1ed7d0b8.
The (hopefully) last issue in chromium is fixed in https://crrev.com/c/3745533.

Original change's description:
> [flags] Enable freezing of flags
>
> This enables the --freeze-flags-after-init flag globally. Note that
> tests, fuzzers, Node and other still explicitly disable the flag. The
> chrome renderer process and default d8 execution will have it enabled
> though.
>
> R=cbruni@chromium.org
>
> Bug: v8:12887
> Change-Id: I9a15ef64227e5e6e04779d8d671a2c50d99c9097
> Cq-Include-Trybots: luci.v8.try:v8_linux_blink_rel
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695264
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Commit-Queue: Clemens Backes <clemensb@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#81214}

Bug: v8:12887
Change-Id: I6445c04abc55242d6e2f204d45ec9ce22c6ece34
Cq-Include-Trybots: luci.v8.try:v8_linux_blink_rel
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3707284Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81603}

Limit the allowed module size in the streaming decoder to 256kiB to
avoid OOMs on systems that are very memory constained (32-bit ASan
builds).

Drive-by: Skip linting wasm fuzzer input files, as those are binary
files.

R=ahaas@chromium.org

Bug: chromium:1334577, chromium:1337558
Change-Id: Ie5599088fd25c0bc7c8f9f1a953d31fe61a21844
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3700073Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81602}

in unit tests:
- function-body-decoder-unittest.cc
- module-decoder-unittest.cc

    Bug: v8:7748

Change-Id: I1f782bb7292ecd1206a921daccde23b1d314d325
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751198Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@google.com>
Auto-Submit: Matthias Liedtke <mliedtke@google.com>
Cr-Commit-Position: refs/heads/main@{#81601}

Bug: v8:12868
Change-Id: I4229cefc4dfdb29214712aeef18841092cdf9e87
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3748653
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81600}

In this part: sort

Bug: v8:11111
Change-Id: Idd1e7552b4cdda0cdec610189391dbb729c94cdf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3742703Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81599}

Bug: v8:11111,chromium:1339648
Change-Id: I3b472f74f37a4e1514ce20635b16970e95a36e15
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3735162Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81598}

Bug: v8:12868
Change-Id: Ide772c6e480783931942f6c02eb3e57dd3adf508
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751201
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81597}

In this part: shift, unshift, reverse

Bug: v8:11111
Change-Id: I13c156dc401b6a90b3bcccd9261b7240d8dc7498
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3740720Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81596}

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/ea8947a..85604a1

R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com

Change-Id: Idd514783b20c79ebd5db5a1f8a411580c1e21013
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751763
Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
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Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/6f2de7b..d7cbf23

Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/78c53d1..bb07d9e

Rolling v8/third_party/fuchsia-sdk/sdk: version:8.20220706.2.1..version:8.20220707.3.1

R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com

Change-Id: I939a41ce43ce12a41da87970bc550c0ee03797ba
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751761
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Cr-Commit-Position: refs/heads/main@{#81594}

Parallel marking is running at the beginning of the atomic pause, so the
extraction of these objects must happen atomically.

Bug: v8:13045
Change-Id: I90d489597847e76ade7185cd7120816eddcdc9fe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749204Reviewed-by: Omer Katz <omerkatz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81593}

Now that we have block-lists this isn't strictly necessary anymore.
As a side-effect, AllocateRegister for results now can't use registers
used as inputs anymore either. We could explicitly use
FreeSomeRegister without blocklist in that case, but this CL doesn't
do that yet.

Bug: v8:7700
Change-Id: If4aef1face138e528dc4f8da674326805e4af67c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749194
Auto-Submit: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81592}

Either the whole module or a single function:

$ out/x64.release/wami my_module.wasm --single-wat 42
$ out/x64.release/wami my_module.wasm --full-wat

Change-Id: Ifa1088a78bb6f86427074806b05226c4bf583b9a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747677
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81591}

Merging typed slots in the marking barrier may require allocating a
new typed slots set. We need a CodePageHeaderModificationScope since
that slot set is actually written into the code page.

Bug: chromium:1336850, v8:12797
Change-Id: If3f7d2bb179c2554ea2888c5ad92f098bd29b1c5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751210Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81590}

Bug: v8:13005
Change-Id: I25f44231d936d7b3688898e6941d3877f31fafd3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751205
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81589}

No-Try: true
Bug: v8:13005
Change-Id: I940d78696885f94afee8b6222b439227b22a3ea5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751209
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Liviu Rau <liviurau@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81588}

The test mjsunit/wasm/shared-memory-worker-gc is too slow on the gcov
bot.

No-Try: true
Bug: v8:13005
Change-Id: Idac2a6df836c981195d61f9c2737c06d548edb28
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3751204
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81587}

Port 1f16e67b

Original Commit Message:

    Mostly src/codegen, src/compiler, src/snapshot, src/utils.

R=manoskouk@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: I8d3c2296aa82332e854ba6c3c8f99346d9561168
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749827
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/main@{#81586}

Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/7280499..ac8a6d3

cleanup comments (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/ac8a6d3

fix sanitizer builds by using clang 13 (#1426) (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/8205547

fix dependabot numpy version warning (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/0a95a42

fix cmake warning for libcxx setup (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/a8bc318

Expose default help printer function (#1425) (Yuri Khan)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/4136c4a

Fix DoNotOptimize() GCC compile error with some types (#1340) (#1424) (Alexander Popov)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/dfdda57

R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com,mlippautz@chromium.org

Change-Id: I3e08e9e4f0374c836b9fb96d80feff125664589f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3750518
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81585}

DevTools needs this.

Bug: v8:12917
Change-Id: Id63f290ebc9eff4ab87e88b97d81ae4d5ac3283a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747676Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81584}

Bug: v8:12783
Change-Id: I5495aac4213b0f9783b5e239b2d90047d25552d8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3721497
Commit-Queue: Darius Mercadier <dmercadier@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81583}

See https://github.com/WebAssembly/stringref/issues/24.

Bug: v8:12868
Change-Id: Ib3854625aa18ae0e59f8d62d04e7132ca7381f60
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749179
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81582}

std::is_same is the wrong predicate to use because `unsigned long` need
not be equivalent to either `unsigned int` or `unsigned long long`.

Fixes: https://github.com/nodejs/node-v8/issues/229
Bug: v8:12982
Change-Id: Iafff3c6a33f841490fa66d48649d24f720c869f1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749192
Auto-Submit: Ben Noordhuis <info@bnoordhuis.nl>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-by: Darius Mercadier <dmercadier@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81581}

Refactor register saving (both general and double registers) as using a
PushAll helper taking a RegList.

Change-Id: I0ccdec091f60988cbdb6893eb9cdda11efd8e1eb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749176
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81580}

This field points to the start of an ArrayBuffer backing store, which
is guaranteed to be located inside the sandbox if it is enabled. As
such, this simply turns the field into a sandboxed pointer field.

Bug: chromium:1342548
Change-Id: I5a76e23cfc83b2a04cd461def1cd04337ccf5cf7
Cq-Include-Trybots: luci.v8.try:v8_linux64_heap_sandbox_dbg_ng,v8_linux_arm64_sim_heap_sandbox_dbg_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749190Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Samuel Groß <saelo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81579}

Page allocation in a partially-reserved sandbox is generally best-effort
once the reserved part is fully allocated, which happens in this test.
As such, there is no guarantee that this test succeeds, and it does seem
to fail in practice on some bots with memory sanitizers enabled. The
same logic is essentially tested by the
VirtualAddressSpaceTest.TestEmulatedSubspace test so simply deleting
this test should be fine.

Bug: v8:13040
Change-Id: I1469bd9d2e330a6e834bb565ce4e7f5985be28a9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749180Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Auto-Submit: Samuel Groß <saelo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81578}

Instead of just failing with a CHECK failure, do print the actual cycle.

Before:
# Check failed: iteration++ < 1000.

After:
# Cycle in flag implications:
--assert-types -> --no-concurrent-recompilation
--stress-concurrent-inlining -> --concurrent-recompilation

R=tebbi@chromium.org

Bug: chromium:1336577
Change-Id: I9707fbe19fbc3c27b54cf2ef7626a5f8825e8c60
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3707275
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81577}

To implement this, this cl introduces explicit check smi/heapobject
nodes that we use for the value (and also separate from CheckMaps
now). This will allow us to remove duplicate checks later.

The performance of StoreField itself isn't vastly better due to fixed
register requirements though.

Bug: v8:7700
Change-Id: I98caa290c88be64f41154fd232bde98fb46ce497
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747870
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81576}

Mostly src/codegen, src/compiler, src/snapshot, src/utils.

Bug: v8:13006
Change-Id: I2fb31acc749a7376e6f2a7424ed2e67ff479d971
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749178
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81575}

Bug: v8:7748
Change-Id: I8da40c9443747ec8004ec78f0b1f82b83535944e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3749181
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81574}

This adds support for a better error message when wasm code generation
is not allowed. Chrome will use this new API here: https://chromium-review.googlesource.com/c/chromium/src/+/3738183.

Bug: chromium:1255058
Change-Id: I8c9639c4fd08d1dff0a5a2fc6a8360f40a7e140e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3740721Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Paul Semel <paulsemel@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81573}

See https://github.com/WebAssembly/stringref/pull/32.

Bug: v8:12868
Change-Id: Ia804809b01eb06163c4477b3f06ac09e016b6277
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747875Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Andy Wingo <wingo@igalia.com>
Cr-Commit-Position: refs/heads/main@{#81572}

See https://github.com/WebAssembly/stringref/pull/31.

Bug: v8:12868
Change-Id: Iefe6b8e6c1b6f2eed8a2aca1818d5edbf6ab48ae
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747874
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81571}

See https://github.com/WebAssembly/stringref/pull/29.

Bug: v8:12868
Change-Id: I5a1e3662a7c3457c6835d7dfccf3a1583ef49f2a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747873
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81570}

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/f855a2b..ea8947a

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/c8f1e5e..8bd72d6

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Change-Id: I6a322050d37383935b05174fda14b0ee2b6c7627
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3750517
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Rolling v8/third_party/fuchsia-sdk/sdk: version:8.20220705.3.1..version:8.20220706.2.1

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Change-Id: I4e01266cbfacd70405ddaa228182872749fc7d36
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3750516
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