Commit Graph

2997 Commits

Author SHA1 Message Date
Toon Verwaest
dc70cb6694 [parser] Only throw spread class property error if it's the first error
Bug: chromium:899474, v8:8363, v8:7926
Change-Id: I89680d35ab2557f5a2b2282813362f5f654862a9
Reviewed-on: https://chromium-review.googlesource.com/c/1304314
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57058}
2018-10-29 09:26:04 +00:00
Toon Verwaest
da024b5f94 [parser] Temporarily restore RETURN_IF_PARSE_ERROR guarding DCHECK
Bug: chromium:899133, v8:7926
Change-Id: I44121c5e6a5bfc27da30bd574a202a6c579594e5
Reviewed-on: https://chromium-review.googlesource.com/c/1301482
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57044}
2018-10-26 16:43:57 +00:00
Jakob Gruber
6f08b6471f [string] Remove invalid optimization in MaybeCallFunctionAtSymbol
The assumption behind this optimization was invalid. Even if the
string's prototype is unchanged, the symbol could exist somewhere
further up the prototype chain.

GetProperty has been sped up significantly so it might be fine to just
skip this fast path. An alternative would be to use a protector cell.

Bug: v8:8357
Change-Id: Ia577107a58157350eb15780c02aa63d77e600637
Reviewed-on: https://chromium-review.googlesource.com/c/1301498
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57038}
2018-10-26 14:39:57 +00:00
Georg Neis
cd629c01ec [turbofan] Serialize receiver prototypes more often.
This just adds calls to SerializePrototype right before we access the
serialized prototype. Eventually we need to do this earlier.

Bug: v8:7790, chromium:899115
Change-Id: I597e95f5f6df8aae608ee295fe9550e7c2a45e6d
Reviewed-on: https://chromium-review.googlesource.com/c/1301475
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57034}
2018-10-26 14:10:45 +00:00
Michael Starzinger
545fa6e51a [asm.js] Fix storing float32 value into float64 heap view.
The valid store types of a {Float64Array} heap view are specified to be
"float?" and "double?". We correctly accepted both types but forgot to
emit the appropriate conversion in the "float?" case. This just adds the
missing conversion expression.

R=clemensh@chromium.org
TEST=mjsunit/regress/regress-crbug-898974
BUG=chromium:898974,v8:8347

Change-Id: I306b10e2088185b1522da29b1a113908ef9925f2
Reviewed-on: https://chromium-review.googlesource.com/c/1301499
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57025}
2018-10-26 11:33:23 +00:00
Toon Verwaest
69f370b6c0 [parser] Only validate async params of valid arrow functions
Bug: chromium:898936
Change-Id: I2c8d8212fa97436e32628d4030d36ce457346c1f
Reviewed-on: https://chromium-review.googlesource.com/c/1300133
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57014}
2018-10-26 07:55:49 +00:00
Toon Verwaest
1efaf46058 [parser] Only parse async parenthesized arrow if current_token == ASYNC
Checking impl()->IsAsync(identifier) is insufficient since it could be
parenthesized. By checking the token in addition to IsIdentifier guarantees
that we've only seen the single token ASYNC.

Bug: chromium:898812
Change-Id: Id94dd607381050b4bd8cd6d8672a5d11256db7da
Reviewed-on: https://chromium-review.googlesource.com/c/1300134
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57013}
2018-10-26 07:54:44 +00:00
Jakob Gruber
0855fb151b [array] Ensure PrepareElementsForSort returns a legal value
PrepareElementsForSort must return a number less than or equal the array
length.

Bug: chromium:897512, v8:7382
Change-Id: If5f9c4d052e623ab9f3300b8534603abbee859fa
Reviewed-on: https://chromium-review.googlesource.com/c/1297958
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56982}
2018-10-25 12:02:47 +00:00
Jakob Kummerow
7a975d1116 Revert "[builtins] Fix Array.p.join length overflow and invalid string length handling"
This reverts commit ec969ea3b1.

Reason for revert: test fails consistently on arm bots.
I can't repro the failure locally, but it does consume ~512MB of memory (for a single string, I think?), so my guess is that the bots don't have enough contiguous address space.

Original change's description:
> [builtins] Fix Array.p.join length overflow and invalid string length handling
> 
> - Fixes and simplify allocating the temporary fixed array for ToString-ed elements.
>   - When the array size is greater than representable by an intptr, it overflowed into a negative value causing a non-negative assert to fail.
>   - Simplify fallback behavior by always allocating a conservatively sized temporary fixed array. Previously, if the array had dictionary elements, the temporary fixed array was sized based on %GetNumberDictionaryNumberOfElements() and then resized when entering the fallback.
> 
> - Fixes related invalid string length handling. When the running total of the resulting string length overflowed or exceeded String::kMaxLength, a RangeError is thrown. Previously, this thrown RangeError bypassed JoinStackPop and left the receiver on the stack.
> 
> Bug: chromium:897404
> Change-Id: I157b71ef04ab06125a5b1c3454e5ed3713bdb591
> Reviewed-on: https://chromium-review.googlesource.com/c/1293070
> Commit-Queue: Peter Wong <peter.wm.wong@gmail.com>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56907}

TBR=danno@chromium.org,peter.wm.wong@gmail.com,jgruber@chromium.org,tebbi@chromium.org

Change-Id: I8ca80bd75833aacc94ccb25ceb82bbc8880991db
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:897404
Reviewed-on: https://chromium-review.googlesource.com/c/1297471
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56915}
2018-10-23 22:07:58 +00:00
peterwmwong
ec969ea3b1 [builtins] Fix Array.p.join length overflow and invalid string length handling
- Fixes and simplify allocating the temporary fixed array for ToString-ed elements.
  - When the array size is greater than representable by an intptr, it overflowed into a negative value causing a non-negative assert to fail.
  - Simplify fallback behavior by always allocating a conservatively sized temporary fixed array. Previously, if the array had dictionary elements, the temporary fixed array was sized based on %GetNumberDictionaryNumberOfElements() and then resized when entering the fallback.

- Fixes related invalid string length handling. When the running total of the resulting string length overflowed or exceeded String::kMaxLength, a RangeError is thrown. Previously, this thrown RangeError bypassed JoinStackPop and left the receiver on the stack.

Bug: chromium:897404
Change-Id: I157b71ef04ab06125a5b1c3454e5ed3713bdb591
Reviewed-on: https://chromium-review.googlesource.com/c/1293070
Commit-Queue: Peter Wong <peter.wm.wong@gmail.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56907}
2018-10-23 15:04:24 +00:00
Florian Sattler
e91e18041a [scanner] Fix apply for bookmarks and usage of scope_data within an error context.
Bug: chromium:897815, chromium:897935, chromium:897766
Change-Id: Ie8c4105867f84054559a4c43c23be82365502c1e
Reviewed-on: https://chromium-review.googlesource.com/c/1296469
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Florian Sattler <sattlerf@google.com>
Cr-Commit-Position: refs/heads/master@{#56905}
2018-10-23 14:39:19 +00:00
Jakob Gruber
d31a5b6569 [array] Fix left-trimming in Array.p.sort
Whenever left-trimming is possible (e.g. whenever user code is
called), we must not store a reference to an exposed JSArray's
elements.

Bug: chromium:897366,v8:7382
Change-Id: I8dd6a93aa6ed19e755ccce7122e0e019dc578a31
Reviewed-on: https://chromium-review.googlesource.com/c/1292066
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56903}
2018-10-23 13:58:54 +00:00
Yang Guo
27ceb7499a [d8] only add arguments object if arguments are provided
This is to fix test262 tests which expect that there is no arguments
object.

Bug: v8:7186
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I56205c29609666dc832297e4d36a4d487eae36cc
Reviewed-on: https://chromium-review.googlesource.com/c/1291469
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56890}
2018-10-23 11:46:53 +00:00
Toon Verwaest
cd21f71f9c [parser] Validate destructuring assignment pattern in correct classifier
Previously we'd first accumulate errors to the parent and validate the
destructuring pattern in the parent. In the case of ParseArguments this
will invalidly propagate binding pattern errors from one argument to the
next. The reason why ParseArguments keeps track of binding pattern errors
is because it could also be used to parse async arrow function parameters.
If we see async(a,b) we don't yet know whether this is the head of an
async arrow function, or a call to async with arguments a and b.

Bug: v8:8241
Change-Id: I670ab9a9c6f2e0bee399808b02a465ae1afa7c3f
Reviewed-on: https://chromium-review.googlesource.com/c/1296229
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56887}
2018-10-23 09:26:19 +00:00
Tobias Tebbi
5b92f91ccd [elements] handle OOB-holes in Array.prototype.includes fast-path
In the ElementsAccessor fast-path for Array.prototype.includes, we
iterate backing-store elements according to start and length numbers
which might or might not be within the JSArray::length field, for
example when side-effects changed the receiver while start and length
are computed. So even when we have a packed ElementsKind, we might still
observe the hole. This is fine, since logical out-of-bounds accesses
are safe in this case, but it means we must not rely on the
ElementsKind telling us if we can encounter holes.

Bug: chromium:897098
Change-Id: I17db38246aef6edbdd5cee30598cbf7619aba6d8
Reviewed-on: https://chromium-review.googlesource.com/c/1293571
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56884}
2018-10-23 09:07:37 +00:00
Camillo Bruni
6c703ffc86 [ic] Respect PropertyDetails::KindField when following transitions
Bug: chromium:897514
Change-Id: Ie7950a2caa2e63e102096a6a36475351259ea854
Reviewed-on: https://chromium-review.googlesource.com/c/1293955
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56870}
2018-10-22 18:46:28 +00:00
Ross McIlroy
0c9c0adf62 [Lite] Disable optimization for Lite mode.
BUG=v8:8293

Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: Ic0e12cbcea76f76fce543714dee972c784095143
Reviewed-on: https://chromium-review.googlesource.com/c/1290795
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56852}
2018-10-22 13:16:24 +00:00
Benedikt Meurer
2a08adbb6b [async] Gracefully handle suspended generators.
With async_hooks it's also possible that the "current microtask" is an
await task, whose generator is already suspended, when there's an
exception thrown in the AFTER callback. In that case we cannot build
a meaningful async stack trace.

Bug: chromium:897406, v8:7522
Change-Id: I682dc1fc3ebb1864e1c2061041ff99ced0313f0c
Reviewed-on: https://chromium-review.googlesource.com/c/1292057
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56839}
2018-10-22 07:06:22 +00:00
Daniel Clifford
b51053d89e Reland: [builtins] Implement Array.prototype.slice in Torque
In the process:

- add volatile types for FastJSArray and remove the length_fast accessor
  from JSArray with the application of more rigorous typing.
- add micro benchmarks for testing all the interesting slice cases

Also update a few assorted places in .tq code to make them more
idiomatic.

The original version of this patch had an overly agressive assert that has
been loosened.

TBR=jgruber@chromium.org

Change-Id: I56870862f4b124d1b38372daa326182a526c874c
Reviewed-on: https://chromium-review.googlesource.com/c/1291375
Reviewed-by: Daniel Clifford <danno@chromium.org>
Commit-Queue: Daniel Clifford <danno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56829}
2018-10-19 21:27:19 +00:00
Sigurd Schneider
5bc96c9191 Revert "[builtins] Implement Array.prototype.slice in Torque"
This reverts commit 41ba3d3eb0.

Reason for revert: Speculative revert:
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Fuzzer/27370
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20predictable/19895

Original change's description:
> [builtins] Implement Array.prototype.slice in Torque
> 
> In the process:
> 
> - add volatile types for FastJSArray and remove the length_fast accessor
>   from JSArray with the application of more rigorous typing.
> - add micro benchmarks for testing all the interesting slice cases
> 
> Also update a few assorted places in .tq code to make them more
> idiomatic.
> 
> Change-Id: I76ec2bb25b65a869180af1f7288419dc1f0a9c37
> Reviewed-on: https://chromium-review.googlesource.com/c/1281603
> Commit-Queue: Daniel Clifford <danno@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56806}

TBR=danno@chromium.org,jgruber@chromium.org,tebbi@chromium.org

Change-Id: I1f2c82b4c3ab0848857f620facacf9604d4fcd11
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/1290973
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56815}
2018-10-19 11:24:34 +00:00
Camillo Bruni
78e5763181 [CloneObjectIC] Avoid FieldType confusions
Do not propagate FieldTypes for kField properties.

Bug: chromium:881247
Change-Id: Ia6af451cd6f3ba22a9ced1f3b43fc4cfc8f7084e
Reviewed-on: https://chromium-review.googlesource.com/c/1288637
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56813}
2018-10-19 11:03:21 +00:00
Daniel Clifford
41ba3d3eb0 [builtins] Implement Array.prototype.slice in Torque
In the process:

- add volatile types for FastJSArray and remove the length_fast accessor
  from JSArray with the application of more rigorous typing.
- add micro benchmarks for testing all the interesting slice cases

Also update a few assorted places in .tq code to make them more
idiomatic.

Change-Id: I76ec2bb25b65a869180af1f7288419dc1f0a9c37
Reviewed-on: https://chromium-review.googlesource.com/c/1281603
Commit-Queue: Daniel Clifford <danno@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56806}
2018-10-19 09:12:21 +00:00
Benedikt Meurer
e650b9e43e [async] Gracefully handle exceptions in async_hooks.
When --async-stack-traces is on and there's an exception from within an
async_hook "after" handler, we will be faced with a settled promise. In
that case we cannot do anything, since the promise will not have any
reactions on it anymore, but we should also not crash of course.

Bug: chromium:896700, v8:7522
Change-Id: I6e3d212d0433da40740489ff7421c5a98cf9bff3
Reviewed-on: https://chromium-review.googlesource.com/c/1290550
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56801}
2018-10-19 08:25:27 +00:00
peterwmwong
7cb6c81b8f [builtins] Fix Array.p.join handling of an index getter with side effects
When creating the buffer for the fall back, the initial entry was not
considered when calculating the size.

Bug: chromium:896181
Change-Id: I7f15bb1bdf31b3255db91b1fe8dcd68c76033980
Reviewed-on: https://chromium-review.googlesource.com/c/1286957
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Peter Wong <peter.wm.wong@gmail.com>
Cr-Commit-Position: refs/heads/master@{#56768}
2018-10-18 10:46:23 +00:00
Georg Neis
a8cb521a58 [turbofan] Allow converting word64 to float32 if value is safe integer.
Bug: v8:895691
Change-Id: Ic92cb250555d097b01f894b4b7b9ae5b2eea6668
Reviewed-on: https://chromium-review.googlesource.com/c/1282990
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56691}
2018-10-16 11:31:39 +00:00
Benedikt Meurer
63f92a9f31 [turbofan] Fix representation selection of CheckFloat64Hole.
Properly handle the case where the CheckFloat64Hole becomes a
no-op after RETYPE (because the feedback type is already Number).
We always need to pass the Number restriction type here.

Bug: chromium:895199
Change-Id: I96a949ba35db1e6d35abedddc4507c101d95b716
Reviewed-on: https://chromium-review.googlesource.com/c/1278804
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56622}
2018-10-15 07:11:58 +00:00
Jaroslav Sevcik
c59c9c46b5 [turbofan] Fix Math.expm1 builtin typing.
This fixes the typing for the case when the call is not lowered to
the simplified operator.

Bug: chromium:880207
Change-Id: Icecf12de77ece0fe9ffec2777874f5f0004a1e97
Reviewed-on: https://chromium-review.googlesource.com/c/1278642
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56621}
2018-10-15 06:00:03 +00:00
Clemens Hammacher
56b8ab5d07 [Liftoff] Fewer pinned registers on store
On ia32, we were pinning too many registers, resulting in no unpinned
byte registers left (we only have three byte registers since {ebx}
is reserved for the root register).
It turns out that on most paths, we don't actually need to pin any
registers, since {Store} is often the last call for an operation (like
any store or set_global). If registers need to be pinned, only pass
those that must be kept alive across the {Store}. This allows to
compute a more narrow set of pinned registers on demand inside {Store}.

Plus minor drive-by changes.

R=titzer@chromium.org

Bug: chromium:894374, chromium:894307, v8:6600
Change-Id: Ic4d7131784c193dc7a2abf0e504d9973f6d5c5f1
Reviewed-on: https://chromium-review.googlesource.com/c/1275819
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56587}
2018-10-12 08:11:52 +00:00
Ben Smith
bf3c8b8ff3 [wasm] Cleanup wasm-module-builder.js
Use naming similar to the spec: "table" instead of "function table",
"element segment" instead of "function table init".

Change-Id: Ib1b6cdfa566f8bd00017ccedf9440084204f10ff
Reviewed-on: https://chromium-review.googlesource.com/c/1273612
Commit-Queue: Ben Smith <binji@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56545}
2018-10-10 22:50:57 +00:00
Jakob Gruber
47d34a317e Revert "[coverage] change block range to avoid ambiguity."
This reverts commit 471fef0469.

Reason for revert: A more general fix incoming at https://crrev.com/c/1273095.

Original change's description:
> [coverage] change block range to avoid ambiguity.
> 
> By moving the block range end to left of closing bracket,
> we can avoid ambiguity where an open-ended singleton range
> could be both interpreted as inside the parent range, or
> next to it.
> 
> R=​verwaest@chromium.org
> 
> Bug: v8:8237
> Change-Id: Ibc9412b31efe900b6d8bff0d8fa8c52ddfbf460a
> Reviewed-on: https://chromium-review.googlesource.com/1254127
> Reviewed-by: Georg Neis <neis@chromium.org>
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56347}

TBR=yangguo@chromium.org,neis@chromium.org,verwaest@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: v8:8237
Change-Id: I39310cf3c2f06a0d98ff314740aaeefbfffc0834
Reviewed-on: https://chromium-review.googlesource.com/c/1273096
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56513}
2018-10-10 10:11:57 +00:00
Toon Verwaest
e874d6a3d0 [parser] Rewrite duplicate formal detection
Now duplicate parameter detection depends on tracking of unresolved references.
This also fixes finding duplicate parameters of arrow functions nested in other
arrow functions.

Change-Id: I644bfdc513244637345c1069e5c7e5fde713da63
Reviewed-on: https://chromium-review.googlesource.com/c/1270578
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56467}
2018-10-09 09:17:42 +00:00
Toon Verwaest
af34c6c236 [parser] Fix single-expression arrow function scoping
Always parse through ParseFunctionBody to avoid bugs with parameter/scope
handling.

Change-Id: Ia0e78c6b3127e99f92a6c772ba2be509f6379f5a
Reviewed-on: https://chromium-review.googlesource.com/c/1268236
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56445}
2018-10-08 13:43:21 +00:00
Maya Lekova
890fd9c89f [async-await] Fix global-buffer-overflow issue when loading flag
Bug: chromium:892858
Change-Id: I97b0b239e3ee0a9073fdbd609fb26271dda64d6d
Reviewed-on: https://chromium-review.googlesource.com/c/1267936
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56432}
2018-10-08 09:16:14 +00:00
Alexei Filippov
88c5da047e Warm up RNG when --random_seed is used
The RNG state is initialized with random_seed parameter that usually
has lots of zeros. Each random generation iteration shuffles bits with
xor operation over the state. It takes a while before the state is populated
with enough 1s and starts generating uniformly distributed numbers.

The patch warms up the state with 32 iterations when --random_seed is used.

BUG=v8:8265

Change-Id: I7a4e8c842962bea0f2935c7b3673494367d8580f
Reviewed-on: https://chromium-review.googlesource.com/c/1263816
Commit-Queue: Alexei Filippov <alph@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56418}
2018-10-05 15:34:58 +00:00
Peter Marshall
4942076091 [cleanup] Don't declare inline runtime functions by default
For each intrinsic/runtime function we define in runtime.h, an inline
version is automatically declared. We only ever use 24 of the inline
functions. Even though we don't call the other ones, macro magic means
they still take up space by existing in various arrays and tables like
kIntrinsicFunctions. They also create code in switch statements.

Some drive-by cleanups:
 - Remove the switch in NameForRuntimeId() and just use the table of
   runtime functions to lookup the name directly.
 - Remove tests for IsFunction, ClassOf and StringAdd intrinsics as
   they are the last users of the inline versions of these.
 - Remove the MaxSmi inline version as it is only used in tests.

Saves 64 KiB binary size.

Change-Id: I4c870ddacd2655ffcffa97d93200ed8f853752f5
Reviewed-on: https://chromium-review.googlesource.com/c/1261939
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56412}
2018-10-05 13:10:56 +00:00
Benedikt Meurer
4111c98e7a [async] Only try to peak into async functions/generators.
For --async-stack-traces don't try to peak into frames that don't belong
to async functions/generators, specifically don't try to peak into some
arbitrary builtin frames (the FrameInspector doesn't support that).

Bug: chromium:892472, chromium:892473, v8:7522
Change-Id: Idcdee26ff958c03b24dd2910bb92fc51cbc14e3c
Ref: nodejs/node#11865
Design-Document: http://bit.ly/v8-zero-cost-async-stack-traces
Reviewed-on: https://chromium-review.googlesource.com/c/1264276
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56396}
2018-10-05 06:36:27 +00:00
Benedikt Meurer
513a5bdd04 [turbofan] Fix Word32 (Signed32OrMinusZero) conversions that identify zeros.
When converting a Signed32\/MinusZero value from Word32 to Float64
representation or just passing it through as Word32 (with potential
type checks on it) we don't need to worry about -0 as long as the uses
identify 0 and -0.

Drive-by-fix: Fix the CheckChange() helper in the representation
changer test to pass Truncation::Any() by default.

Bug: chromium:891639, chromium:891612, chromium:891627, v8:8015, v8:8178
Change-Id: I06948ec0cdb8e778cb3678124ef927277a5f40ee
Reviewed-on: https://chromium-review.googlesource.com/c/1258902
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56369}
2018-10-04 09:13:18 +00:00
Mathias Bynens
fa911fc68e Remove always-true --harmony-function-tostring runtime flag
It was shipped in Chrome 66.

Bug: v8:4958, v8:8255, v8:8238
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I52fb826f4f245bc6484d8f406ecf99bc17d268ee
Reviewed-on: https://chromium-review.googlesource.com/c/1254123
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56350}
2018-10-03 15:04:16 +00:00
Yang Guo
471fef0469 [coverage] change block range to avoid ambiguity.
By moving the block range end to left of closing bracket,
we can avoid ambiguity where an open-ended singleton range
could be both interpreted as inside the parent range, or
next to it.

R=verwaest@chromium.org

Bug: v8:8237
Change-Id: Ibc9412b31efe900b6d8bff0d8fa8c52ddfbf460a
Reviewed-on: https://chromium-review.googlesource.com/1254127
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56347}
2018-10-02 19:27:02 +00:00
Florian Sattler
563eeec64c [parser] Fix function name variable tracking
Delay the creation of FunctionNameVariables until we validated the
FormalParameters. This is needed so we don't declare them in cases where
we later get an error, have to reset, and reparse.

Bug: chromium:890553, v8:7926
Change-Id: I742e6f7f71158e3903843bd583dc7943468c18f6
Reviewed-on: https://chromium-review.googlesource.com/1254061
Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Florian Sattler <sattlerf@google.com>
Cr-Commit-Position: refs/heads/master@{#56314}
2018-10-01 13:14:33 +00:00
Benedikt Meurer
852a8d35b9 [turbofan] Add missing Word64->Bit support.
The representation changer was lacking support for directly converting
Word64 values to Bit representation.

Bug: chromium:890243, v8:4153, v8:7881, v8:8171, v8:8178
Change-Id: I5fa31716c7b2b10ad00dc31d5035a1ada152661c
Reviewed-on: https://chromium-review.googlesource.com/1251551
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56304}
2018-09-30 09:07:15 +00:00
Georg Neis
bcbb6d9eb4 [turbofan] Prepare broker for the next steps.
- Add a new broker mode kRetired, in which the heap can
  again be accessed.
- Change the way modes work. We now always start in kDisabled.
  If FLAG_concurrent_compiler_frontend is on, we eventually move
  to kSerializing, then to kSerialized, then to kRetired.
- Add an ObjectDataKind to ObjectData that indicates whether the
  data is just a dummy (i.e. created while broker was in kDisabled
  mode).

This also happens to fix a bug found by clusterfuzz.

Bug: v8:7790, chromium:889722
Change-Id: I38833fe7ad26d2d3efb15ba560576defb82f673a
Reviewed-on: https://chromium-review.googlesource.com/1245425
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56260}
2018-09-27 10:22:51 +00:00
Toon Verwaest
55ecf51e33 [parser] Don't resolve preparser variables for arrow functions
I moved AnalyzePartially from ParseFunctionLiteral to SkipFunction, but arrow
functions only used the ResetAfterPreparsing part.

Bug: chromium:888825

Change-Id: I08de99af128b28031df6ed86a725e4dc918078f8
Reviewed-on: https://chromium-review.googlesource.com/1243383
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56218}
2018-09-25 15:28:18 +00:00
Benedikt Meurer
129f770148 [es2015] Setup JSTypedArray after allocating the JSArrayBuffer.
When constructing a TypedArray by length, only actually setup the
JSTypedArray instance once the buffer is allocated, as only at that
time it's known whether the byte length is fine. Otherwise we confuse
the heap verifier.

Bug: chromium:887891
Change-Id: I407ff9a2a053dd11ef764e4e32f482abb27eb0a8
Reviewed-on: https://chromium-review.googlesource.com/1238494
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56131}
2018-09-21 12:02:12 +00:00
Benedikt Meurer
08aec7d721 [es2015] Fix ToPrimitive conversions in relational comparisons.
The order in which ToNumber(left) and ToPrimitive(right,hint Number)
is called when performing an abstract relational comparison is
observable, and we need to make sure to trigger the conversions in
the correct order.

Bug: chromium:687063
Change-Id: Idc9edb99643c4cf1774b89dcdc319ed5dc7cdc8a
Reviewed-on: https://chromium-review.googlesource.com/1236557
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56125}
2018-09-21 10:53:06 +00:00
Sam Clegg
505cccb9e9 [d8] Update new Worker API to match the Web API
Previously we only supported strings and not filenames.  This
changes the default to filename and adds a new `type: string` which can
be passed `options` to allow for strings to be passed in test code.

See: https://developer.mozilla.org/en-US/docs/Web/API/Worker/Worker

Bug: v8:8020
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Ie8818885c5c5c071b6614852322cb45aeb01a647
Reviewed-on: https://chromium-review.googlesource.com/1185980
Commit-Queue: Sam Clegg <sbc@chromium.org>
Reviewed-by: Ben Smith <binji@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56056}
2018-09-20 00:10:28 +00:00
Benedikt Meurer
984048e8c7 [es2015] Clear JSTypedArray raw fields in the constructor.
The JSTypedArray instance is created early on in the TypedArray
constructors, using EmitFastNewObject, which puts Undefined into
all slots. But the code might still produce an exception afterwards
leaving the JSTypedArray in a weird state. It's not a security issue
since the object doesn't escape, but it confuses the heap verifier.

Bug: chromium:885404, v8:4153, v8:7881, v8:8171
Change-Id: I5fb8131fcae69edf4a92602ed477dca305c3d6c7
Reviewed-on: https://chromium-review.googlesource.com/1233257
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56019}
2018-09-19 09:28:11 +00:00
Benedikt Meurer
5cfe1a6b12 [es2015] Change JSArrayBufferView::byte_length/byte_offset to uintptr_t.
This is the next step to support large array buffers. On 64-bit archs
the full safe integer range is available (up to 2^53-1 bytes in theory).
On 32-bit platforms the full Unsigned31 range is allowed, so that we can
continue to use CheckBounds for typed arrays and data views in the
optimizing compiler (it's generally unlikely that the kernel will give
you more than 1GiB of contiguous memory anyways).

Drive-by-fix: This introduces proper chokepoints for the byte_offset
and byte_length accesses in the CSA code, and also does some renaming
for consistency.

Bug: v8:4153, v8:7881, v8:8171
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I92a767638532ca9f86084398ce72556c5180cc6e
Reviewed-on: https://chromium-review.googlesource.com/1228377
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56008}
2018-09-18 18:47:44 +00:00
Benedikt Meurer
1210d0c1df [turbofan] Add missing Word8/16 -> Word64 representation changes.
Word8 and Word16 representation is treated like Word32 for the sake of
TurboFan's representation selection, but this was missing from the
Word64 conversions.

Bug: chromium:884933, v8:4153, v8:7881, v8:8171, v8:8178
Change-Id: If7b69cdd02b12546d87bba0643e9ee9cb35cb299
Reviewed-on: https://chromium-review.googlesource.com/1229953
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55983}
2018-09-18 08:51:27 +00:00
Creddy
a67342a68a Reland "Enable OneShot optimizations by default"
This reland of the commit e938b7a3e5.


Original change's description:
> Enable OneShot optimizations by default
>
> BUG=v8:8072
>
> Change-Id: I2068d66644628fe1de7a6be30b8d43ecfae04e93
> Reviewed-on: https://chromium-review.googlesource.com/1220047
> Commit-Queue: Chandan Reddy <chandanreddy@google.com>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55875}

TBR=cbruni@chromium.org,chandanreddy@google.com

Change-Id: I2152d4f3886913ef7ffabf8611c3448299560d2b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8072
Reviewed-on: https://chromium-review.googlesource.com/1224933
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55893}
2018-09-14 10:34:42 +00:00
Deepti Gandluri
afb0f81e8e Revert "Enable OneShot optimizations by default"
This reverts commit e938b7a3e5.

Reason for revert: Reverting because of gc-stress failures - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20gc%20stress/18299

Original change's description:
> Enable OneShot optimizations by default
> 
> BUG=v8:8072
> 
> Change-Id: I2068d66644628fe1de7a6be30b8d43ecfae04e93
> Reviewed-on: https://chromium-review.googlesource.com/1220047
> Commit-Queue: Chandan Reddy <chandanreddy@google.com>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55875}

TBR=cbruni@chromium.org,chandanreddy@google.com

Change-Id: If3bfb5e142a873f534f831da413d26e78d2e3716
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8072
Reviewed-on: https://chromium-review.googlesource.com/1224481
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55876}
2018-09-13 18:29:51 +00:00
Creddy
e938b7a3e5 Enable OneShot optimizations by default
BUG=v8:8072

Change-Id: I2068d66644628fe1de7a6be30b8d43ecfae04e93
Reviewed-on: https://chromium-review.googlesource.com/1220047
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55875}
2018-09-13 16:55:35 +00:00
Ben L. Titzer
ca894e093a [wasm] Nerf regression test size
This verifies that asm.js over the internal parameter count limit
does not crash. The internal limit is 1000 parameters, and the test
was using >3000 parameters. Reduce this down to 1005, and also
introduce a test which does not dynamically construct the string
and eval it, because the construction of this string takes time.
Mark the old test as slow in debug mode.

R=machenbach@chromium.org
BUG=v8:8165

Change-Id: Ib6ef5e1e58d3f37a71720fb59afa19464e7f2ff7
Reviewed-on: https://chromium-review.googlesource.com/1224057
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55860}
2018-09-13 12:46:20 +00:00
Georg Neis
4a75168479 Reland "[typedarray] Properly convert hole to undefined in TypedArray.from"
This is an unmodified reland of ece86adc6b.

Original change's description:
> [typedarray] Properly convert hole to undefined in TypedArray.from
>
> It used to call the old IterableToList, which had the wrong
> semantics for holes.
>
> Bug: v8:8133
> Change-Id: Idd5acd55a155bc43df7552135a44151bb2db38e9
> Reviewed-on: https://chromium-review.googlesource.com/1213204
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Commit-Queue: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55745}

Tbr: petermarshall@chromium.org
Bug: v8:8133
Change-Id: I91c1eaf61cbcc29116e3a6cc3415f29cfba3561e
Reviewed-on: https://chromium-review.googlesource.com/1223007
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55846}
2018-09-13 08:34:21 +00:00
Florian Sattler
d970749152 Reland "[preparser] Refactor VariableProxies to use ThreadedLists interface"
This is a reland of 78f8ff9568

Original change's description:
> [preparser] Refactor VariableProxies to use ThreadedLists interface
>
> Bug: v8:7926
> Change-Id: Idfc520b67696c8a838a0ee297ea392d416dd899e
> Reviewed-on: https://chromium-review.googlesource.com/1206292
> Commit-Queue: Florian Sattler <sattlerf@google.com>
> Reviewed-by: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Marja Hölttä <marja@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55801}

Bug: v8:7926, chromium:883059
Change-Id: Icaa496be1b4df8306fe6d623e5825909d7b0c9c5
Reviewed-on: https://chromium-review.googlesource.com/1221529
Commit-Queue: Florian Sattler <sattlerf@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55833}
2018-09-12 15:13:29 +00:00
Deepti Gandluri
0fb2d2b0b6 Revert "[typedarray] Properly convert hole to undefined in TypedArray.from"
This reverts commit ece86adc6b.

Reason for revert: Potential cause of auto-roller breakage https://ci.chromium.org/p/chromium/builders/luci.chromium.try/win10_chromium_x64_rel_ng/91864

Original change's description:
> [typedarray] Properly convert hole to undefined in TypedArray.from
> 
> It used to call the old IterableToList, which had the wrong
> semantics for holes.
> 
> Bug: v8:8133
> Change-Id: Idd5acd55a155bc43df7552135a44151bb2db38e9
> Reviewed-on: https://chromium-review.googlesource.com/1213204
> Reviewed-by: Peter Marshall <petermarshall@chromium.org>
> Commit-Queue: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55745}

TBR=neis@chromium.org,petermarshall@chromium.org,dhai@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: v8:8133
Change-Id: I09b108e7844c598253fbbe02d705699c21308637
Reviewed-on: https://chromium-review.googlesource.com/1220286
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55802}
2018-09-11 17:49:16 +00:00
Creddy
f79caee25f [Runtime] Use Runtime_SetNamedProperty for property stores in one-shot code.
- Rename Runtime_SetProperty to Runtime_SetKeyedProperty
- Create Runtime_SetNamedProperty and use it for SetNamed property
  in one-shot code.
- Rename Object::StoreFromKeyed enum to StoreOrigin

Bug: v8:8072, chromium:876839
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I22132380ca4b6ce1e0a14a38cca849814559cdcf
Reviewed-on: https://chromium-review.googlesource.com/1207870
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Cr-Commit-Position: refs/heads/master@{#55790}
2018-09-11 13:42:25 +00:00
Simon Zünd
e365bc2dcb [array] Consistently throw TypeError for zero-length arrays
This CL fixes a bug that allowed calls to Array.p.shift on
zero-length arrays where the 'length' is read-only without throwing
a TypeError.

R=bmeurer@chromium.org, jgruber@chromium.org

Bug: chromium:882233
Change-Id: Ib129ab4c4f4f233e7bb553effa77539badfbe26e
Reviewed-on: https://chromium-review.googlesource.com/1215164
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#55746}
2018-09-10 09:50:52 +00:00
Georg Neis
ece86adc6b [typedarray] Properly convert hole to undefined in TypedArray.from
It used to call the old IterableToList, which had the wrong
semantics for holes.

Bug: v8:8133
Change-Id: Idd5acd55a155bc43df7552135a44151bb2db38e9
Reviewed-on: https://chromium-review.googlesource.com/1213204
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55745}
2018-09-10 09:31:55 +00:00
Simon Zünd
cfe7115690 [array] Move Array.p.unshift fall-back to Torque
This CL implements a generic baseline version of Array.p.unshift
in Torque, enabling us to remove the JS fall-back.

The elements-accessor fast-path is still used, but the check whether
to use it is also moved to Torque.

Support for sparse JSArrays is removed.

Drive-by change: Small refactoring in builtins-array that will
get extended to other array builtins in a follow-up CL.

R=cbruni@chromium.org, jgruber@chromium.org

Bug: v8:7624
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I7b23ce15e7b922eb333f61a408050dedec77c95a
Reviewed-on: https://chromium-review.googlesource.com/1189902
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55670}
2018-09-06 07:09:05 +00:00
Benedikt Meurer
56f7dda67f [turbofan] Fix incorrect typing rule for NumberExpm1.
The Math.expm1() function can actually return -0, for example in the
case that -0 is passed to it.

Bug: chromium:880207
Change-Id: If3a7a3a1fb6a18075ba0d7816687dfd831ebe293
Reviewed-on: https://chromium-review.googlesource.com/1205072
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55657}
2018-09-05 16:07:16 +00:00
Mike Stanton
fd334b3216 [builtins] Enable Torque Array.prototype.splice
Before, splice was implemented with a C++ fast path and a
comprehensive JavaScript version.

This impl. is entirely in Torque with a fastpath for SMI,
DOUBLE and OBJECT arrays, and a comprehensive slow path.
The same level of "sparse" array support as given by the
array.js implementation is included.

This reland addresses several issues:

* Removed "sparse" array support from splice.
* Addressed ClusterFuzz issue 876443:
  The test and code that uses the fix is in this CL.
  The fix in isolation can be seen here:
  https://chromium-review.googlesource.com/c/v8/v8/+/1199403
* Removed dead code in elements.cc

BUG=chromium:876443, v8:8131, v8:1956, v8:7221

Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I2d4a66c24ba1edabeca34e27e6ff8ee6136ed5f1
Reviewed-on: https://chromium-review.googlesource.com/1201783
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55610}
2018-09-04 13:18:23 +00:00
Michael Starzinger
e8d79f070c [wasm] Make exception creation non-observable by JS.
This fixes exception creation (by the WebAssembly throw operation) so
that it is not observable by JavaScript. Internal properties are now
stored with symbol names instead of string names, which also prevents
them from being accessed or monkey-patched directly by JavaScript.

R=clemensh@chromium.org
TEST=mjsunit/regress/wasm/regress-8094
BUG=v8:8094

Change-Id: I33cb27f4373114cd4db28d9aef23560093e55242
Reviewed-on: https://chromium-review.googlesource.com/1203951
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55602}
2018-09-04 10:37:27 +00:00
Benedikt Meurer
b898112277 [turbofan] Improve typing of ToNumeric and ToNumber.
The previous typing rules for ToNumeric and ToNumber didn't match on the
NonBigIntPrimitive input set, which causes trouble when we morph ToNumeric
nodes into ToNumber nodes, and generally lead to worse typings in the
graph, and thus worse code generation. This change improves the existing
typing rules and turns ToNumber into a chokepoint again.

Bug: chromium:879898, v8:8015
Change-Id: I4a7ff0e9c420c5dcfdb2b96884e019a5943828a4
Reviewed-on: https://chromium-review.googlesource.com/1201522
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55595}
2018-09-03 19:14:09 +00:00
Benedikt Meurer
b1bd6beb4e [turbofan] Fix typo flushed out by recent CL.
Bug: chromium:879560
Change-Id: Ia2d2699851358641d50f9997875810f8cb1100ff
Reviewed-on: https://chromium-review.googlesource.com/1199742
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55553}
2018-08-31 14:58:25 +00:00
Simon Zünd
e7ca2b7cfe [array] Fix wrong receiver when copying from the prototype chain
This CL fixes an issue where getters/setters would get called on a
prototype with the wrong receiver. This happens in the pre-processing
for Array.p.sort when values get copied down from the prototype chain.

R=jgruber@chromium.org

Bug: v8:7682
Change-Id: I0d8ff1dc721c33bd721aaca54ffd357b3d2a2096
Reviewed-on: https://chromium-review.googlesource.com/1198767
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#55546}
2018-08-31 11:58:15 +00:00
Simon Zünd
2c834b1c17 Remove Array.p.sort regression test "regress-2185"
This CL removes a regression test that was intended to check that the
maximum call stack size was not exceeded when calling Array.p.sort.

As the new sorting algorithm (TimSort) does not work recursively, this
test is no longer really necessary. It is also rather slow and causes
issues on some bots, so we remove the test.

R=mslekova@chromium.org

Bug: v8:7783
Change-Id: I5bb9693ab825fe077776fd6825688545286285fd
Reviewed-on: https://chromium-review.googlesource.com/1196511
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#55527}
2018-08-30 13:45:55 +00:00
Simon Zünd
b9540d447f [array] Fix side-effect for 'from' argument in Array.p.lastIndexOf
This CL fixes a bug if the second argument ('from') for lastIndexOf
changes the array when its converted to an integer.

R=jgruber@chromium.org

Bug: chromium:878845
Change-Id: I8759dd19381c63f0dde1d4c5abc1b6c7291c6048
Reviewed-on: https://chromium-review.googlesource.com/1196507
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#55525}
2018-08-30 13:34:25 +00:00
Michael Starzinger
dd40b33371 [wasm] Fix crash during exception stack unwinding.
This fixes a crash with a predicate used during stack unwinding of
WebAssembly frames during exception handling. The predicate caused an
observable side-effect in JavaScript during unwinding, code that is
inherently unhandlified and is not allowed to be observable.

The fix actually just removes the entire predicate. This is because the
updated proposal causes all JavaScript exceptions to participate in
WebAssembly exception handling, allowing modelling of "finally" language
constructs to perform cleanup independent of the embedders exception
details.

R=ahaas@chromium.org
TEST=mjsunit/regress/wasm/regress-8095
BUG=v8:8095

Change-Id: Ic03bc45e7b7f4562a431ccf910ee9ddcf558aa48
Reviewed-on: https://chromium-review.googlesource.com/1193445
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55457}
2018-08-28 13:02:44 +00:00
Michael Starzinger
a500f20175 [test] Remove %SetFlags runtime test method.
This method introduces an inherent race because it allows changing
global static flag variables from concurrently running Isolates (or
Workers). Since there are not too many use-cases left, the method in
question can be removed entirely.

R=hpayer@chromium.org

Change-Id: I9798730dd775b04f0bc83f18ed5982672e76e5d5
Reviewed-on: https://chromium-review.googlesource.com/1186731
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55392}
2018-08-24 10:48:39 +00:00
Ross McIlroy
464dbb7e80 Revert "[Tests] Fix some OOM failures on Android by explicitly setting max_old_space_size."
This reverts commit bca38dbf29.

Reason for revert: Makes ODROIDs flaky.
BUG=v8:8086

Original change's description:
> [Tests] Fix some OOM failures on Android by explicitly setting max_old_space_size.
>
> BUG=v8:8040
>
> Change-Id: I8de22af3978f2a8eb844eabdb757bd635050f901
> Reviewed-on: https://chromium-review.googlesource.com/1181432
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55227}

TBR=ulan@chromium.org,rmcilroy@chromium.org

Bug: v8:8040
Change-Id: Ife980e8706ebbff4d86d87739c2f621d7a976039
Reviewed-on: https://chromium-review.googlesource.com/1188322
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55391}
2018-08-24 10:41:39 +00:00
Simon Zünd
837fec91a4 [array] Replace JS Array.p.reverse with a Torque implementation
This CL adds a baseline implementation for Array.p.reverse in Torque,
as well as fastpaths for PACKED elements kinds.

Support for sparse JSArrays was removed.

R=jgruber@chromium.org, petermarshall@chromium.org

Bug: v8:7624
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I12900fbbb44746f1c5d36b78be826e14b88b4f69
Reviewed-on: https://chromium-review.googlesource.com/1185600
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55369}
2018-08-24 05:57:20 +00:00
Benedikt Meurer
6031f172ed [es2015] Use [[ArrayIteratorNextIndex]] to indicate exhaustion.
Instead of changing the [[IteratedObject]] field to undefined to mark an
array iterator as exhausted, store the appropriate maximum value into
the [[ArrayIteratorNextIndex]] field such that the iterator will never
produce any values again.

Without this change the map check and the "length" access on the
[[IteratedObject]] cannot be eliminated inside the loop, since the
object can either be the array or undefined. Even with this change
it's still not possible immediately due to missing aliasing
information in the LoadElimination, but it paves the way for follow
up improvements. Eventually the goal is to have `for..of` as fast as
a traditional `for` loop even for really tight loops.

This CL also hardens the implementation of the ArrayIterator by using
proper CASTs and CSA_ASSERTs. The readability of the CSA builtin was
improved by utilizing proper helper functions.

Bug: v8:7510, v8:7514, v8:8070
Change-Id: Ib46604fadad1a0f80e77fe71a1f47b0ca31ab841
Reviewed-on: https://chromium-review.googlesource.com/1181902
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55261}
2018-08-21 11:26:00 +00:00
Ross McIlroy
16fd84f3bd [Tests] Fix regress/regress-599414-array-concat-fast-path on Android.
BUG=v8:8040

Change-Id: I705f9afebfa770a8415fa268dd13ba00e90808d4
Reviewed-on: https://chromium-review.googlesource.com/1181429
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55260}
2018-08-21 11:02:26 +00:00
Ben L. Titzer
438e7ec6dc Reland "[asmjs] Properly validate asm.js heap sizes"
This is a reland of 5c3092718e
(the CL was reverted because of a Chromium test that is now fixed)

Original change's description:
> Reland "[asmjs] Properly validate asm.js heap sizes"
>
> This is a reland of 5d69010e26
>
> Original change's description:
> > [asmjs] Properly validate asm.js heap sizes
> >
> > Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
> > limitations on the size of asm.js heaps.
> >
> > R=clemensh@chromium.org
> > CC=​mstarzinger@chromium.org
> >
> > Bug: chromium:873600
> > Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
> > Reviewed-on: https://chromium-review.googlesource.com/1174411
> > Commit-Queue: Ben Titzer <titzer@chromium.org>
> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#55163}
>
> Bug: chromium:873600
> Change-Id: Id24070bda3aafb9e1a32af0732a1b18f633ef932
> Reviewed-on: https://chromium-review.googlesource.com/1179681
> Commit-Queue: Ben Titzer <titzer@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55193}

Bug: chromium:873600
Change-Id: I6eca2a89589070837b109278f964fc8e9a0fd6f1
Reviewed-on: https://chromium-review.googlesource.com/1183081
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Ben Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55249}
2018-08-21 09:00:04 +00:00
Aseem Garg
dd65e4b837 Revert "Reland "[asmjs] Properly validate asm.js heap sizes""
This reverts commit 5c3092718e.

Reason for revert: Broke fast/workers/worker-shared-asm-buffer.html

Original change's description:
> Reland "[asmjs] Properly validate asm.js heap sizes"
>
> This is a reland of 5d69010e26
>
> Original change's description:
> > [asmjs] Properly validate asm.js heap sizes
> >
> > Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
> > limitations on the size of asm.js heaps.
> >
> > R=clemensh@chromium.org
> > CC=​mstarzinger@chromium.org
> >
> > Bug: chromium:873600
> > Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
> > Reviewed-on: https://chromium-review.googlesource.com/1174411
> > Commit-Queue: Ben Titzer <titzer@chromium.org>
> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#55163}
>
> Bug: chromium:873600
> Change-Id: Id24070bda3aafb9e1a32af0732a1b18f633ef932
> Reviewed-on: https://chromium-review.googlesource.com/1179681
> Commit-Queue: Ben Titzer <titzer@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55193}

TBR=mstarzinger@chromium.org,titzer@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: chromium:873600
Change-Id: I5845c584c7ac399b9b7939f5fd50c09b7b2cc3d2
Reviewed-on: https://chromium-review.googlesource.com/1182616
Commit-Queue: Aseem Garg <aseemgarg@chromium.org>
Reviewed-by: Aseem Garg <aseemgarg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55242}
2018-08-21 00:51:54 +00:00
Ross McIlroy
bca38dbf29 [Tests] Fix some OOM failures on Android by explicitly setting max_old_space_size.
BUG=v8:8040

Change-Id: I8de22af3978f2a8eb844eabdb757bd635050f901
Reviewed-on: https://chromium-review.googlesource.com/1181432
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55227}
2018-08-20 17:29:43 +00:00
Andreas Haas
af4cf8d150 [wasm] Abort decoding of BlockTypeImmediate after an error was detected
R=titzer@chromium.org

Bug: chromium:875556
Change-Id: I989dbaaec1eac3b7d0c761f25efec043cdeb9d71
Reviewed-on: https://chromium-review.googlesource.com/1180964
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55212}
2018-08-20 12:09:11 +00:00
jgruber
d74a9fd595 [regexp] Fix invalid lastIndex handling in RegExp.p[@@replace]
The RegExp replace implementation is a bit of a mess. Here, we first
try to handle parts of RegExp.p.exec, and then call directly into the
raw irregexp code (skipping RegExp.p.exec).

We got parts of this wrong: when lastIndex > string.length and the
regexp instance is sticky, two things should happen. 1. The match
should fail, and 2. lastIndex should be reset to 0. On the fast path,
we did the latter but not the former, instead running exec with a
lastIndex of 0.

This CL omits the irregexp call in this case, and defaults to a failed
match instead.

Bug: chromium:875493
Change-Id: I8c959610d267575e37686076a3fd5dfde322f0ca
Reviewed-on: https://chromium-review.googlesource.com/1180889
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55207}
2018-08-20 10:25:39 +00:00
Michael Starzinger
62b894b675 [wasm] Fix {IsWebAssemblyCompiledModule} predicate.
This makes sure the aforementioned predicate is independent of the
current context (aka. Realm) and only uses the instance type of the
given object to determine whether it is a WebAssembly module object.

R=titzer@chromium.org
TEST=mjsunit/regress/wasm/regress-8059
BUG=v8:8059

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Icc8e400f8412483f2a3883ca65c58b7ef938ef23
Reviewed-on: https://chromium-review.googlesource.com/1180886
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55205}
2018-08-20 09:17:08 +00:00
Ben L. Titzer
5c3092718e Reland "[asmjs] Properly validate asm.js heap sizes"
This is a reland of 5d69010e26

Original change's description:
> [asmjs] Properly validate asm.js heap sizes
> 
> Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
> limitations on the size of asm.js heaps.
> 
> R=clemensh@chromium.org
> CC=​mstarzinger@chromium.org
> 
> Bug: chromium:873600
> Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
> Reviewed-on: https://chromium-review.googlesource.com/1174411
> Commit-Queue: Ben Titzer <titzer@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55163}

Bug: chromium:873600
Change-Id: Id24070bda3aafb9e1a32af0732a1b18f633ef932
Reviewed-on: https://chromium-review.googlesource.com/1179681
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55193}
2018-08-17 12:49:21 +00:00
Leszek Swirski
c07c93f327 Revert "[asmjs] Properly validate asm.js heap sizes"
This reverts commit 5d69010e26.

Reason for revert: New test fails on ARM GC stress bot - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Arm%20GC%20Stress/8054

Original change's description:
> [asmjs] Properly validate asm.js heap sizes
> 
> Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
> limitations on the size of asm.js heaps.
> 
> R=​clemensh@chromium.org
> CC=​​mstarzinger@chromium.org
> 
> Bug: chromium:873600
> Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
> Reviewed-on: https://chromium-review.googlesource.com/1174411
> Commit-Queue: Ben Titzer <titzer@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55163}

TBR=mstarzinger@chromium.org,titzer@chromium.org,clemensh@chromium.org

Change-Id: I95ca5306a495bfc0f78d7a29f5d6269fc9c0bdfa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:873600
Reviewed-on: https://chromium-review.googlesource.com/1178141
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55173}
2018-08-16 16:32:43 +00:00
Ben L. Titzer
5d69010e26 [asmjs] Properly validate asm.js heap sizes
Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
limitations on the size of asm.js heaps.

R=clemensh@chromium.org
CC=​mstarzinger@chromium.org

Bug: chromium:873600
Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
Reviewed-on: https://chromium-review.googlesource.com/1174411
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55163}
2018-08-16 14:02:02 +00:00
Georg Neis
260af115c2 [parsing] Fix detection of invalid continue targets.
In order to know which labels are valid continue targets, we must
track the labels that immediately prefix an iteration statement.

Also document some things that I had to figure out.

Bug: v8:8033
Change-Id: Ia8288fd0e553a547aa0f9d1b4381bb103325bc3a
Reviewed-on: https://chromium-review.googlesource.com/1172292
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55110}
2018-08-14 08:30:47 +00:00
Marja Hölttä
8b63f353e6 [in-place weak refs] Remove WeakCell
BUG=v8:7308

Change-Id: I310d9453be8b90a82856c0d394442aad5527a3ae
Reviewed-on: https://chromium-review.googlesource.com/1169167
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55105}
2018-08-14 08:05:05 +00:00
Michael Achenbach
ca6134875e Reland "[test] Add files not pushed for test on Android"
This is a reland of a4355b77b3

Original change's description:
> [test] Add files not pushed for test on Android
>
> TBR=neis@chromium.org
> NOTRY=true
>
> Bug: v8:8047
> Change-Id: I6d59cd9137f56a5061d836afb02b33f7b25d4aa0
> Reviewed-on: https://chromium-review.googlesource.com/1170772
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55047}

TBR=neis@chromium.org
NOTRY=true

Bug: v8:8047
Change-Id: If273d9407ed17f4de827b08039efe4d5cd34632e
Reviewed-on: https://chromium-review.googlesource.com/1171282
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55063}
2018-08-10 18:54:53 +00:00
Sergiy Byelozyorov
048a41e830 Revert "[test] Add files not pushed for test on Android"
This reverts commit a4355b77b3.

Reason for revert: needs to be reverted prior to https://crrev.com/c/1170962

Original change's description:
> [test] Add files not pushed for test on Android
> 
> TBR=neis@chromium.org
> NOTRY=true
> 
> Bug: v8:8047
> Change-Id: I6d59cd9137f56a5061d836afb02b33f7b25d4aa0
> Reviewed-on: https://chromium-review.googlesource.com/1170772
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55047}

TBR=machenbach@chromium.org,neis@chromium.org

Change-Id: I8c00550fd6c4b75014f35fa90aa3bd7af410f892
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8047
Reviewed-on: https://chromium-review.googlesource.com/1171004
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55057}
2018-08-10 16:15:11 +00:00
Michael Achenbach
a4355b77b3 [test] Add files not pushed for test on Android
TBR=neis@chromium.org
NOTRY=true

Bug: v8:8047
Change-Id: I6d59cd9137f56a5061d836afb02b33f7b25d4aa0
Reviewed-on: https://chromium-review.googlesource.com/1170772
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55047}
2018-08-10 12:39:35 +00:00
Rodrigo Bruno
3a5751dcd4 [test-heap] fixed test that was not allowing gc to collect an object
Bug: chromium:845409
Change-Id: I865826c0e8927aea264a4f9177380ec3bb8aee4f
Reviewed-on: https://chromium-review.googlesource.com/1170764
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Rodrigo Bruno <rfbpb@google.com>
Cr-Commit-Position: refs/heads/master@{#55046}
2018-08-10 12:20:45 +00:00
Tobias Tebbi
5b74a7ee63 [csa] avoid FixedDoubleArray CAST on empty FixedArray
Bug: chromium:871886
Change-Id: I91c6099ebaa064575db1ee3d7354e02cd42bbfd2
Reviewed-on: https://chromium-review.googlesource.com/1166906
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55010}
2018-08-09 10:00:25 +00:00
Jaroslav Sevcik
a56d7470e2 [heap] Relax NotifyObjectLayoutChange DCHECK to allow ByteArrays changes in LO space
Bug: chromium:869735
Change-Id: I65c4a1b92e1e0874eabff14e9cf6f5b56dc8d43a
Reviewed-on: https://chromium-review.googlesource.com/1158065
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54909}
2018-08-06 06:42:35 +00:00
Théotime Grohens
3656b4656e [dataview] Fix too tight TNode type in DataView getters
This CL fixes a bug found by Clusterfuzz, in which the functions
LoadDataViewByteOffset and -ByteLength incorrectly had a return
type of TNode<Smi> instead of TNode<Number>.

This caused a CAST() call to fail when the requested byte offset
or byte length did not fit inside a Smi, i.e. when the underlying
ArrayBuffer of the DataView had a length longer than 2^30 on
32-bit platforms.

The CL also includes a new test in mjsunit to test against this.

Bug: chromium:869313
Change-Id: Ibb7d29bda5782a12c4b506c070bb03fef8c3ec70
Reviewed-on: https://chromium-review.googlesource.com/1158582
Commit-Queue: Théotime Grohens <theotime@google.com>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54900}
2018-08-03 13:21:16 +00:00
Vlad Tsyrklevich
7a75d5828b Refactor unreliable Proxy tests
While working on crrev.com/c/1141045 I caused 3 assertThrows() tests
under the 'Deeply nested target' tests to fail. The tests for
defineProperty, isExtensible, and preventExtensions began to fail under
a couple build configurations because my change modified the stack check
code such that it no longer inhibited tail call optimization. Under some
build configurations the methods responsible for causing a stack oveflow
for those 3 methods were tail call optimized and the tests no longer
threw an exception.

Other built-in implementations of proxy handler methods could also fail
in the future due to refactors moving variables off the stack. Change
the test to ensure v8 doesn't crash but don't rely on stack overflow
exceptions being thrown for the 'deeply nested target' test.

BUG=chromium:864705

Change-Id: Iefeaa1d5402986c1831d0f259f83025452756387
Reviewed-on: https://chromium-review.googlesource.com/1159356
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54878}
2018-08-02 21:20:59 +00:00
Creddy
92220026b2 [runtime] Setup Constructor for proxy_map
Bug: chromium:868473
Change-Id: I6a2f9be15cdc05cfa793650436c7ec3dd583bef4
Reviewed-on: https://chromium-review.googlesource.com/1158833
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Cr-Commit-Position: refs/heads/master@{#54857}
2018-08-02 09:15:43 +00:00
Andreas Haas
8c3c1b6c0f [mjsunit] Move the implementation of testAsync into a separate file
The original implementation of 'testAsync' in mjsunit.js required to
put the call to '%AbortJS' into an 'eval' statement. The reason is that
this call requires the flag --allow-natives-syntax to be set, but the
flag is not set in all mjsunit tests. With the use of 'eval'
compilation errors can be avoided.

The problem with this approach was that the fuzzer started to produce
test cases which include the line 'eval("%AbortJS(message)");', and
this line crashes intentionally. Different to the line
'%Abort(message)', however, the 'eval' statement cannot be filtered
so easily in the fuzzer. Therefore I pulled the implementation of
'testAsync' into a separate file to avoid the 'eval'.

Additional changes: I use '===' now instead of 'deepEquals' in
AsyncAssertion.equals because 'deepEquals' is not available outside
mjsunit.js. Using '===' seems more appropriate anyways because for
all tests but one it is sufficient, and it is more precise than
deepEquals.

R=gsathya@chromium.org

Bug: chromium:774841
Change-Id: I47270aa63ff5a1d6aa76a771f9276eaaf579c5ac
Reviewed-on: https://chromium-review.googlesource.com/1156598
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54833}
2018-08-01 08:46:24 +00:00
Jakob Kummerow
a24d5ad787 [csa] Fix is-neutered check in EmitBigTypedArrayElementStore
The ToBigInt conversion can have side effects, so the check for
neutered-ness must happen afterwards.

Bug: chromium:867776
Change-Id: I6e550c77a284da4cf132c21a6c3b1ed8f34eedc9
Reviewed-on: https://chromium-review.googlesource.com/1153553
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54761}
2018-07-27 21:40:03 +00:00
Creddy
4ef4deae6e [runtime] Change the default values of Proxy.prototype to undefined from null
The CSA fast path returned null for Proxy.prototype whereas runtime GetProperty
returned undefined. The CL fixes this discrepancy by returning undefined for
both cases and  this makes it complaint with the spec.

Change-Id: I35b75c09dc99e8fd629671e30eacd2cabea8c1d4
Reviewed-on: https://chromium-review.googlesource.com/1145438
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Chandan Reddy <chandanreddy@google.com>
Cr-Commit-Position: refs/heads/master@{#54745}
2018-07-27 08:27:36 +00:00
Maya Lekova
2d0a7649e1 [async] Fix a crash when AsyncHooks is used in the proto of an object
Bug: chromium:866315
Change-Id: I83074475185c0646d575282d24679e18ec0628c7
Reviewed-on: https://chromium-review.googlesource.com/1146645
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54612}
2018-07-23 14:34:59 +00:00
Maya Lekova
4a28271fee [async] Improve error handling when running async hooks
If an exception is thrown in instrumented async code, for instance
  await import('non-existing-module')
it should be correctly reported by the hooks that run around this code.
Also calling ToLocalChecked() on the hook result is wrong if the hook
has thrown an exception.

Bug: chromium:865892
Change-Id: I5712376fe4426a3e49223d821e4647150887a258
Reviewed-on: https://chromium-review.googlesource.com/1146561
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54610}
2018-07-23 13:34:50 +00:00
Sigurd Schneider
a2d61597ca Reland "[turbofan] Inline Number constructor in certain cases"
This is a reland of 9eca23e9ed

Adds a deopt continuation, which fixes JavaScript stack traces
to contain the number constructor after inlining.

Original change's description:
> [turbofan] Inline Number constructor in certain cases
>
> This CL adds inlining for the Number constructor if new.target is not
> present. The lowering is BigInt compatible, i.e. it converts BigInts to
> numbers.
>
> Bug: v8:7904
> Change-Id: If03b9f872d82e50b6ded7709069181c33dc44e82
> Reviewed-on: https://chromium-review.googlesource.com/1118557
> Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54454}

Bug: v8:7904
Change-Id: Ic416e5ba81fa3a0f59ae4afa80df83c46a759487
Reviewed-on: https://chromium-review.googlesource.com/1146581
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54609}
2018-07-23 13:17:19 +00:00