Change-Id: If91de8dd11bdd2207bf88cad376c626964bfd162
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3644848Reviewed-by: Lutz Vahl <vahl@chromium.org>
Commit-Queue: Lutz Vahl <vahl@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80488}

Bug: chromium:1310062
Change-Id: Iba231f98ef88df07b24b1c2bc9026a5b8ca18e15
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3644228Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80487}

R=thibaudm@chromium.org

Bug: v8:12864
Change-Id: Ic8f031eafaeab6e17fa070a8447cd093ebb9adf5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3643656Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80486}

This is a reland of commit 25e32252

Original change's description:
> Reland "[heap] Refactor atomic marking phase"
>
> This is a reland of commit a3f66927
>
> The reland addresses a few CHECKs that were too agressive and also
> properly adjusts Oilpan's marking configurations depending on V8's
> flags.
>
> Original change's description:
> > [heap] Refactor atomic marking phase
> >
> > The atomic marking phase was organized in many distinct smaller
> > phases. In particular, before http://crrev.com/c/3584115 the marking
> > phase split into two large separate phases.
> >
> > This CL reorganizes marking into two phases that perform regular V8
> > heap marking, Oilpan, and ephemerons:
> > - A parallel phase that likely drains all marking worklists;
> > - A single-threaded final phase to catch any left overs;
> >
> > This avoids artificial splitting in phases and also avoids repeated
> > starting and joining of jobs.
> >
> > Change-Id: I5cccfc5777837d9ece10d8f4925781bf2d07d9da
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3602507
> > Reviewed-by: Omer Katz <omerkatz@chromium.org>
> > Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
> > Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#80265}
>
> Change-Id: I26648da361b92d787c173aa9d390100ce8958728
> Bug: chromium:1320896
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3616519
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Omer Katz <omerkatz@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#80301}

Bug: chromium:1320896
Change-Id: I7ebb3bde9f0d3497f46c728bfbc380c1bd4bc021
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641167Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80485}

This CL introduces SideEffectDetectorScope which requires explicit
allowlisting of cases when side effects are allowed after calling
interceptor callbacks.
Side effects are not allowed when the callback does not intercept
the request.
The side effects detector is not enabled yet, it will be enabled in
a follow-up CL.

Bug: chromium:1310062
Change-Id: I805764920ed016cb37390aef7bb02cbdf5f72846
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641172Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80484}

Port commit fe443a4e

Bug: v8:12284
Change-Id: I242c4161ecff09fd7bcfeda27560a6c881c87d09
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641034
Auto-Submit: Yu Liu <liuyu@loongson.cn>
Commit-Queue: Yu Liu <liuyu@loongson.cn>
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/main@{#80483}

NewSpace is renamed to SemiSpaceNewSpace and NewSpaceBase is renamed to
NewSpace (the new PagedSpace new space implementation will be named
PagedNewSpace).

Most usecases are updated to use the base class rather than the concrete
semi space based implementation. To that end, the base class is extended
with additional virtual methods (for delegating to the concrete class).

This CL follows these guidelines:
(*) If at a method callsite we should know the exact new space
implementation we use, we cast to the concrete class. This is the case
for example for callsites in scavenger.*.
(*) If a method is called from outside the heap implementation or should
be present regardless of the concrete implementation, that method is
made virtual.
(*) Other cases are usually methods that are specific to a concrete
implementation but the concrete implementation is not known at the
callsite and there's no clear way to nicely abstract the method. In such
cases we cast to the concrete SemiSpaceNewSpace implementation for now
and we will revisit these cases once PagedNewSpace exists.

Bug: v8:12612
Change-Id: I7b85626774ce0d785b0257bf8d32b9f50eeaf292
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3625975
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80482}

Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/bc4639c..aecbdbf

fix some typos (#1393) (cui fliter)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/aecbdbf

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

Change-Id: Ib44a175614b0e3f2394c901b96e8d0b7fbaaa33c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641659
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
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Cr-Commit-Position: refs/heads/main@{#80481}

Change-Id: I0efdbb9cdfef6c206201adf4d75a0c542979d2f3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3640267Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80480}

Port fe443a4e

Original Commit Message:

    Prototype the instruction on the interpreter, and Arm64. Details of
    instruction lowerings on all relevant architectures can be found at:
    https://github.com/WebAssembly/relaxed-simd/issues/40

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

Change-Id: I5da65cb5f59db811d9d796918b8f5c8892e053fe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3642299Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80479}

Bug: chromium:1322555
Change-Id: I2416150c19cd1b9dc062edd42806c1b10eead969
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3625836
Commit-Queue: Robert Paveza <Rob.Paveza@microsoft.com>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80478}

BS for "backing store", obviously.

R=ahaas@chromium.org

Bug: v8:12425
Change-Id: I310ba8e34e8ca2c7b7bdeec5f1bc184330fbaf28
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641175Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80477}

Change-Id: Iafca9e5ddf85bc528d4043863ec71ae1ce7020d1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641168Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80476}

Prototype the instruction on the interpreter, and Arm64. Details of
instruction lowerings on all relevant architectures can be found at:
https://github.com/WebAssembly/relaxed-simd/issues/40

Bug: v8:12284
Change-Id: Id4cb3889d94cf0bb7169ea068efe5ca68cfcbad9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3636365
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80475}

Side product: enable null as __proto__.

Bug: v8:11525,v8:12820
Change-Id: I2b9508d0f3563d9000ddede24e7684aab18c2b5e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3637791Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80474}

- Make sure the viewport size of the svg is adjusted properly when
  scaling
- Fix an off-by-one when calculating Chunk groups

Bug: v8:10644
Change-Id: I56e857a8aa1a67e408bcfb08ed126e6bfdb0ce1b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641177
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Patrick Thier <pthier@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Auto-Submit: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80473}

Once the root SharedFunctionInfo for any Script gets its bytecode
flushed, the Isolate's compilation cache currently evicts that entry, to
reduce memory usage. However, the associated Script is likely still
alive, since scripts often declare functions which outlive the initial
evaluation of the script. If an identical script is loaded later, a
duplicate Script is created for it, which can waste memory.

In this change, I propose that the compilation cache keys can refer
weakly to the Script. When the root SharedFunctionInfo gets old, instead
of deleting the cache entry entirely, we can just drop the strong
reference to the SharedFunctionInfo. A subsequent lookup in the cache
will retrieve the Script instead of the root SharedFunctionInfo,
indicating an opportunity to save some memory by reusing the existing
Script.

Eventually, all callers to CompilationCache::LookupScript should reuse
the Script if possible. This change implements only the easy case of
reusing the Script for synchronous parsing. Follow-up changes will be
required for the TODO comments left by this change.

Bug: v8:12808
Change-Id: Ia8b0389441a682de9a43e73329049fd2e7835d3d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3597106Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80472}

This adds a non-standard, unsafe instruction for performance
experiments: ref.cast_nop_static behaves like ref.cast_static
as far as static types are concerned, but emits no code.

Bug: v8:7748
Change-Id: Ic5797a941146a06d7c6ff249d8e29919145d8ea1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3639206Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80471}

The issue is that a thread_local variable used in RwxMemoryWriteScope
can't be directly accessed from another component, so the workaround is
to avoid inlining accesses the variable into other components.

Bug: v8:12797, chromium:1324333
Change-Id: I0f83358ac0c663c92ef7b3dff54a068472d61aed
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641169
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80470}

CIPD provides both amd64 and arm64 binaries for GN, download the correct
one. This way we get the correct GN when checking out V8 on an AArch64
linux host.

Change-Id: I39c2d7a0062eb330bccac9bc71068bc02bf6958b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3637798
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80469}

This filters the flags --maglev and --no-use-map-space when passed to
foozzie. Most open bugs are known or spurious, but all take up the
limited hashes for correctness bugs, which prevents finding other
bugs. Filtering on the source-side will make those reports appear
as fixed.

Bug: chromium:1324097, chromium:1317880
Change-Id: Ibf1b04bdfdd2395c3bda5787b4843c6bb5ca8f8e
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641171Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80468}

Bug: chromium:1319267
Change-Id: I7956b804246ee2c1fa170bf2eb8f3588b7488b42
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3620285Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80467}

Bug: v8:12619
Change-Id: Idcad21d03081e6f012656d36d99ce465158f84eb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3634958Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80466}

This reverts commit b086aa70.

Reason for revert: Significant negative performance impact on Android.

Original change's description:
> [csa] Load hash in TryToName with Acquire semantics
>
> Add support to atomically load (untagged) values from objects to CSA.
>
> Bug: v8:12007
> Change-Id: If0c4f20f20e021ace3b1e3a874c0405574d313e1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3627513
> Commit-Queue: Patrick Thier <pthier@chromium.org>
> Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#80444}

Bug: v8:12007
Change-Id: Iee97d83725beb0671fd585a2955cf208975315e8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641164Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#80465}

Bug: v8:11525
Change-Id: I59fdb446d2b704ef386a8695ee3ddd1b1cdd1dac
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3635724Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80464}

They are causing failures in the Linux ChromiumOS MSan bot.

Bug: chromium:1324301
Change-Id: I7a7bcd111a9f0e0e652d38e107027c51e51bd4bc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3639205Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Auto-Submit: Samuel Groß <saelo@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80463}

Doc: https://bit.ly/revive-restart-frame

This CL implements support for the Debugger's "restart frame"
functionality in the deoptimizer. When the debugger wants to restart
a frame, we throw a termination exception.

If the restarted frame is an optimized frame or was inlined into
an optimized frame, the deoptimizer has to materialize all the
frames up to (and including) the frame we want to restart. This
is similar to materializing all the frames up until the frame
with a catch handler.

The main difference is that we do not jump into the middle of the
top-most materialized frame, but instead use the
RestartFrameTrampolone to immediatly exit, and then re-invoke the
top-most materialized frame.

R=jarin@chromium.org, tebbi@chromium.org

Bug: chromium:1303521
Change-Id: I74ee412bc67f027be81fe56e529b5e5161e97153
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3616504Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80462}

Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/8d86026..bc4639c

Add installation and build instructions for Python bindings (#1392) (Nicholas Junge)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/bc4639c

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

Change-Id: I1ab826ee75b642f04c753dd43e5fe01e9821cc2d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3640524
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Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/256e629..1c34f36

Rolling v8/buildtools/third_party/libc++abi/trunk: https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi/+log/ac1834f..ecff200

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/406c287..d1ddc12

Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/1bc3cd2..31bfd51

Rolling v8/third_party/fuchsia-sdk/sdk: version:8.20220509.2.1..version:8.20220510.2.1

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/cd2b9e3..9da9510

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

Change-Id: Ide529df4fdc042606e784122148ad1593893b8f0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3640523
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
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Upon destroying a v8::TracedReference while concurrent marking is
running, we merely reset the object pointer but do not get rid of the
global handle.

We were also restting the parameter which would read the internal
state for a DCHECK. Remove this clearing as the parameter field is not
used for v8::TracedReference.

Bug: chromium:1324074
Change-Id: Ic21bad78deba0925e12c3fc1215b087d0ef5dd7a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3637796Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80459}

This prevents "ambiguous call" warnings when compiling in C++20 mode.

Bug: chromium:1284275
Change-Id: I52f782aaddfad1920e4b2df5e916b2c292cc7cff
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3630346
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80458}

UnsafePointerAdd is unnecessary as long as a proper bitcast is used
before the addition. The bitcast is already in the effect chain and
prevents the addition from floating before a GC operation.

Change-Id: Ieadb8a51d2d24eaa1132a62c77c674954f7e2644
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3616727Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80457}

Deprecate the existing parameter to treat global objects as roots as
this is implied by exposing internals.

Bug: chromium:1321620
Change-Id: I73a8124d63f87599dee7080980844c418eb3b5e4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3637797
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80456}

Private brand checks have shipped since M91.

Bug: v8:11374
Change-Id: Ifd2f8e9904cdb25b45b2e4019da13b3cfc9efdc5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3622266Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Auto-Submit: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80455}

Bug: chromium:1284275
Change-Id: I727950c0bed499050ff550e90b9da07404057abe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3630348
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80454}

Deprecate the OOMErrorCallback such that we can add a new parameter for
OOM details.

R=mlippautz@chromium.org

Bug: chromium:1323177
Change-Id: I72c931ad0d1b75cda46e8815387098acbe091c68
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3632106Reviewed-by: Lutz Vahl <vahl@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80453}

Bug: v8:11111, chromium:1307340
Change-Id: I7c68d4985c080bf5c595a4ae3360fc924b1bdefb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3627595
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80452}

Change-Id: I16a090fc9af5447c5d36e7bbd4bece1537724678
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3637792
Auto-Submit: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80451}

This is a reland of commit e8cac377
Broken jitless mode is fixed in a separate CL.

Original change's description:
> [rwx][mac] Enable fast W^X on Apple Silicon (M1)
>
> Bug: v8:12797
> Change-Id: I53bb803dd77db5bdd42b1a1b4b568e63857adf31
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3598861
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Igor Sheludko <ishell@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#80396}

Bug: v8:12797
Change-Id: I5436ceced5d4673f3b80d9cacdb3d6e84012c6e7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3635720Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80450}

This CL adds the array type flag to distinguish between
sparse array and dense array and adds serialization
and deserialization for sparse array.

Bug: v8:11525
Change-Id: Ia302af017d6f52924256a2b3fa9e3d2b34caa442
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3629739
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80449}