…zones (patchset v8#11 id:200001 of https://codereview.chromium.org/2368313002/ )

Reason for revert:
Revert due to asm.js slowdown

Original issue's description:
> Don't use different function scopes when parsing with temp zones
>
> Previously we'd have a scope in the main zone, and another in the temp zone. Then we carefully copied back data to the main zone. This CL changes it so that the scope is just fixed up to only contain data from the main zone. That avoids additional copies and additional allocations; while not increasing the care that needs to be taken. This will also make it easier to abort preparsing while parsing using a temp zone.
>
> BUG=
>
> Committed: https://crrev.com/f41e7ebd62b32e861b6aa14ad8bfce3018d03c3c
> Cr-Commit-Position: refs/heads/master@{#39800}

TBR=marja@chromium.org,adamk@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/2379533003
Cr-Commit-Position: refs/heads/master@{#39821}

…ttps://codereview.chromium.org/2232653003/ )

Reason for revert:
Breaks benchmark with --turbo on avx2

https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20avx2/builds/9895

Original issue's description:
> Reland of "[heap] Switch to 500k pages"
>
> Decrease regular heap object size to 400k. In a follow up, we can now get rid of
> the new space border page while keeping the 1M minimum new space size.
>
> BUG=chromium:636331
>
> This reverts commit 555c961.
>
> Committed: https://crrev.com/20e2ea80e169e85c5b8231adc02901fb6c989609
> Cr-Commit-Position: refs/heads/master@{#38608}

TBR=hpayer@chromium.org,yangguo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:636331

Review-Url: https://codereview.chromium.org/2239323002
Cr-Commit-Position: refs/heads/master@{#38613}

Cr-Commit-Position: refs/branch-heads/5.4@{v8#11}
Cr-Branched-From: 5ce2827-refs/heads/5.4.500@{#2}
Cr-Branched-From: ad07b49-refs/heads/master@{#38841}

…8#11 id:200001 of https://codereview.chromium.org/2416543002/ )

Reason for revert:
Reverting because of failure on V8 Linux64 GC Stress

http://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/builds/8572

Original issue's description:
> [wasm] Fix bounds check for zero initial memory.
>
> Currently when memory size references are updated with zero initial memory during GrowMemory/Relocation of Instance objects, the bounds check does not take into account the size of memtype.
>
> R=titzer@chromium.org, bradnelson@chromium.org
>
> Committed: https://crrev.com/70416a2b360c0d993cffb48284b143d484d1e290
> Cr-Commit-Position: refs/heads/master@{#40326}

TBR=bradnelson@chromium.org,titzer@chromium.org,bradnelson@google.com,mtrofin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2416393002
Cr-Commit-Position: refs/heads/master@{#40328}

Cr-Commit-Position: refs/branch-heads/5.5@{v8#11}
Cr-Branched-From: 3cbd583-refs/heads/5.5.372@{#1}
Cr-Branched-From: b3c8b0c-refs/heads/master@{#40015}

Revision: 9d1d387

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
R=joransiu@ca.ibm.com, jyan@ca.ibm.com
BUG=

Review-Url: https://codereview.chromium.org/2525813002
Cr-Commit-Position: refs/branch-heads/5.6@{v8#11}
Cr-Branched-From: bdd3886-refs/heads/5.6.326@{#1}
Cr-Branched-From: 879f659-refs/heads/master@{#41014}

…ed by their ID (patchset v8#11 id:190001 of https://codereview.chromium.org/2547483002/ )

Reason for revert:
LiveEdit is broken in some cases.

Original issue's description:
> Store SharedFunctionInfos of a Script in a FixedArray indexed by their ID
>
> Now that SharedFunctionInfos have a unique ID (and the IDs are dense),
> we can use them as an index into an array, instead of using a
> WeakFixedArray where we have to do a linear scan.
>
> Hooking up liveedit is a bit more involved, see
> https://docs.google.com/presentation/d/1FtNa3U7WsF5bPhY9uGoJG5Y9hnz5VBDabfOWpb4unWI/edit
> for an overview
>
> BUG=v8:5589
> R=verwaest@chromium.org,jgruber@chromium.org
>
> Committed: https://crrev.com/6595e7405769dc9d49e9568d61485efc6d468baf
> Cr-Commit-Position: refs/heads/master@{#41600}

TBR=jgruber@chromium.org,verwaest@chromium.org,yangguo@chromium.org,jochen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=v8:5589,chromium:673950
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2578433002
Cr-Commit-Position: refs/heads/master@{#41684}

…ls slots (patchset v8#11 id:370001 of https://codereview.chromium.org/2504153002/ )

Reason for revert:
Speculative revert because of blocked roll: https://codereview.chromium.org/2596013002/

Original issue's description:
> [TypeFeedbackVector] Root literal arrays in function literals slots
>
> Literal arrays and feedback vectors for a function can be garbage
> collected if we don't have a rooted closure for the function, which
> happens often. It's expensive to come back from this (recreating
> boilerplates and gathering feedback again), and the cost is
> disproportionate if the function was inlined into optimized code.
>
> To guard against losing these arrays when we need them, we'll now
> create literal arrays when creating the feedback vector for the outer
> closure, and root them strongly in that vector.
>
> BUG=v8:5456
>
> Review-Url: https://codereview.chromium.org/2504153002
> Cr-Commit-Position: refs/heads/master@{#41893}
> Committed: https://chromium.googlesource.com/v8/v8/+/93df094081f04c629c3df2e40318de90ce5e0fb9

TBR=bmeurer@chromium.org,mlippautz@chromium.org,mvstanton@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5456

Review-Url: https://codereview.chromium.org/2597163002
Cr-Commit-Position: refs/heads/master@{#41917}

Merged aa8a208

Revert of [TypeFeedbackVector] Root literal arrays in function literals slots (patchset #11 id:370001 of https://codereview.chromium.org/2504153002/ )

TBR=jgruber@chromium.org

Review-Url: https://codereview.chromium.org/2592393002 .
Cr-Commit-Position: refs/heads/5.7.324@{#3}
Cr-Branched-From: 2041c50-refs/heads/master@{#41902}

… with compiler dispatcher. (patchset v8#11 id:260001 of https://codereview.chromium.org/2611313002/ )

Reason for revert:
Some crashes on mac:
https://build.chromium.org/p/client.v8/builders/V8%20Mac%20-%20debug/builds/11982/steps/Ignition%20-%20turbofan/logs/regress-crbug-429159
https://build.chromium.org/p/client.v8/builders/V8%20Mac%20GC%20Stress/builds/10966

Original issue's description:
> [complier] Enable parallel eager inner function compilation with compiler dispatcher.
>
> Enable enqueueing of eager inner function compilation onto the compiler
> dispatcher. This enables these tasks to be performed in parallel to
> compilation of the outer functio (only for Ignition functions).
> We currently synchronize to ensure all inner function compilations
>  are complete before executing the outer function - future work will
> allow outer function execution to happenin parallel to inner function
> compilation.
>
> BUG=v8:5203,v8:5215
>
> Review-Url: https://codereview.chromium.org/2611313002
> Cr-Commit-Position: refs/heads/master@{#42413}
> Committed: https://chromium.googlesource.com/v8/v8/+/f12661a1ece4e9c9cb8df5c2d349db960356e604

TBR=jochen@chromium.org,marja@chromium.org,mstarzinger@chromium.org,rmcilroy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5203,v8:5215

Review-Url: https://codereview.chromium.org/2637123002
Cr-Commit-Position: refs/heads/master@{#42416}

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Revision: ef2a9e2

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true
R=joransiu@ca.ibm.com, jyan@ca.ibm.com, machenbach@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2728763005
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Revision: 136c712

BUG=chromium:711195,v8:5267,v8:6241
TBR=jarin@chromium.org
LOG=N
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

Change-Id: Id6e9bf726c268d525c33b363b4358d565b41535f
Reviewed-on: https://chromium-review.googlesource.com/479731
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
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Merged 9b7035d

LookupIterator should find private symbols on JSProxies

BUG=chromium:571365
LOG=N
TBR=hablich@chromium.org

Review URL: https://codereview.chromium.org/1612093004 .

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Merged 6e281f1

[heap] Fix SemiSpace::Commit/GrowTo to deal with OOM

BUG=chromium:581412,chromium:601041,chromium:601417
LOG=N
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/1892043002 .

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Merged b71f1cc

Bugfix: Crankshaft array literals with incorrect values.

BUG=chromium:606021
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/2010503002 .

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Cr-Branched-From: 2cd36d6-refs/heads/5.2.361@{#1}
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Cr-Branched-From: f3c8926-refs/heads/master@{#31014}

BUG=chromium:318206
R=jkummerow@chromium.org, hablich@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1751843002 .

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Merged 833fb7d
Merged 9864129

[debugger] track debugger feature usage via histogram.

[debugger] only track LiveEdit if source changes.

R=yangguo@chromium.org
BUG=v8:4596

Review URL: https://codereview.chromium.org/1510433002 .

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Cr-Branched-From: 10449d4-refs/heads/4.8.271@{#1}
Cr-Branched-From: 2ebd5fc-refs/heads/master@{#31941}

…tps://codereview.chromium.org/2847923003/ )

Reason for revert:
Seems to have made nosnap debug very slow and also leads to check failures:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug/builds/13248

Original issue's description:
> [csa] Add assertions to CSA
>
> This adds a bunch of assertions to CSA, mostly about documenting and checking
> parameter types.
>
> Drive-by-change: Removed unused function.
>
> BUG=v8:6325
>
> Review-Url: https://codereview.chromium.org/2847923003
> Cr-Commit-Position: refs/heads/master@{#45398}
> Committed: https://chromium.googlesource.com/v8/v8/+/b14a981496ad1f841683479d2f9188dfa2d6b4bd

TBR=cbruni@chromium.org,ishell@chromium.org,jgruber@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6325

Review-Url: https://codereview.chromium.org/2892023002
Cr-Commit-Position: refs/heads/master@{#45401}

… registers."

This reverts commit 16d77bb.

Reason for revert: breaks build

Original change's description:
> Merged: [Interpreter] Allocate context registers as temporary registers.
> 
> Revision: c68df41
> 
> BUG=chromium:716265,v8:6322
> LOG=N
> NOTRY=true
> NOPRESUBMIT=true
> NOTREECHECKS=true
> R=​mythria
> 
> Change-Id: Ieaf426865f90c4dc8d59a4c1e545748e7b7b34e2
> Reviewed-on: https://chromium-review.googlesource.com/519169
> Reviewed-by: Mythri Alle <mythria@chromium.org>
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> Cr-Branched-From: 97dbf62-refs/heads/6.0.286@{#1}
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TBR=rmcilroy@chromium.org,mythria@chromium.org
BUG=chromium:716265,v8:6322

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TBR=machenbach@chromium.org

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Revision: b1c1228

BUG=chromium:739902
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R=bmeurer@chromium.org

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…cts.

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R=bmeurer@chromium.org

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Revision: b3270b8

BUG=v8:9146
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R=machenbach@chromium.com

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Revision: e165544

NOTRY=true
NOPRESUBMIT=true
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R=pthier@chromium.org

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Port 1ab14ed

This reverts commit 08607d3.

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This reverts commit c14b3e4.

Reason for revert: https://crbug.com/1335195

Original change's description:
> [regalloc] add hint for operands in gap moves.
>
> To eliminate unnecessary move instructions from register to fixed register. We check the fixed register hint for operands in move gaps
> when building LiveRanges. If a to_operand has a hint_operand (with fixed register), then set the hint_operand for from_operand too. This can avoid the register allocator ignore hint information about fixed register.
>
> Bug: v8:12909
> Change-Id: I17f9afa484ee08de8ac1ab42945caba2c362fc9e
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3669019
> Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
> Commit-Queue: Jialu Zhang <jialu.zhang@intel.com>
> Cr-Commit-Position: refs/heads/main@{#80844}

(cherry picked from commit b22fcf9)

Bug: v8:12909, chromium:1335195
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