This CL fixes %DebugPrint for FAST_HOLEY_DOUBLE_ELEMENTS and now properly
distinguishes TheHole and NaN values.

BUG=

Review-Url: https://codereview.chromium.org/2294913004
Cr-Commit-Position: refs/heads/master@{#39293}

Revert of [runtime] temporarily transform IsContext check from DHECK to CHECK (patchset #2 id:20001 of https://codereview.chromium.org/2164633002/ )

Reason for revert:
There have been no more occurrences of this on dev / beta so we can convert the CHECK back to DCHECK.

Original issue's description:
> [runtime] temporarily transform IsContext check from DCHECK to CHECK
>
> We are enabling this trial on canary to see if we can flush out some missing
> context restores.
>
> BUG=
>
> Committed: https://crrev.com/ec94ad400dc257af396efa3b1899bc3168347d82
> Cr-Commit-Position: refs/heads/master@{#37875}

TBR=jkummerow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=

Review-Url: https://codereview.chromium.org/2303543003
Cr-Commit-Position: refs/heads/master@{#39292}

BUG=v8:5363
R=adamk@chromium.org, littledan@chromium.org, cbruni@chromium.org

Review-Url: https://codereview.chromium.org/2328523002
Cr-Commit-Position: refs/heads/master@{#39291}

The previous DCHECK (removed in issue 2316033002) was checking that the new interval strictly overlapped with the first interval.

BUG=

Review-Url: https://codereview.chromium.org/2321113002
Cr-Commit-Position: refs/heads/master@{#39290}

Drive-by-fix: the old code never triggered write barrier.
Review-Url: https://codereview.chromium.org/2321993002
Cr-Commit-Position: refs/heads/master@{#39289}

BUG=v8:4124
TEST:test-run-wasm-simd
R=titzer@chromium.org,bradnelson@chromium.org,gdeepti@chromium.org

Review-Url: https://codereview.chromium.org/2300753005
Cr-Commit-Position: refs/heads/master@{#39288}

Revert of Use -fno-delete-null-pointer-checks with gcc builds (patchset #2 id:20001 of https://codereview.chromium.org/2310513002/ )

Reason for revert:
Fails on MIPS: https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/builds/3653

Original issue's description:
> Use -fno-delete-null-pointer-checks with gcc builds
>
> R=bmeurer@chromium.org, jochen@chromium.org, machenbach@chromium.org
> BUG=v8:3782
>
> Committed: https://crrev.com/dbefc8ee2e9ee6e41b83f3d09c788c34bc923b43
> Cr-Commit-Position: refs/heads/master@{#39286}

TBR=jochen@chromium.org,bmeurer@chromium.org,machenbach@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:3782

Review-Url: https://codereview.chromium.org/2328563002
Cr-Commit-Position: refs/heads/master@{#39287}

R=bmeurer@chromium.org, jochen@chromium.org, machenbach@chromium.org
BUG=v8:3782

Review-Url: https://codereview.chromium.org/2310513002
Cr-Commit-Position: refs/heads/master@{#39286}

Fell through the cracks in a recent CL. Should have switched
with the CI bot, which is on GN already.

BUG=chromium:474921
NOTRY=true

Review-Url: https://codereview.chromium.org/2328533002
Cr-Commit-Position: refs/heads/master@{#39285}

BUG=
R=ulan@chromium.org

Review-Url: https://codereview.chromium.org/2328503002
Cr-Commit-Position: refs/heads/master@{#39284}

Adds support to collect allocation site feedback for Array function calls
to the call bytecode handler.

BUG=v8:4280, v8:4780
LOG=N

Review-Url: https://codereview.chromium.org/2307903002
Cr-Commit-Position: refs/heads/master@{#39283}

I could not reproduce the bug in either a unittest nor a cctest. That's
why I created an mjsunit test now.

BUG=chromium:644682
R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2319213003
Cr-Commit-Position: refs/heads/master@{#39282}

BUG=chromium:644643
NOTRY=true

Review-Url: https://codereview.chromium.org/2319583002
Cr-Commit-Position: refs/heads/master@{#39281}

Review-Url: https://codereview.chromium.org/2321543003
Cr-Commit-Position: refs/heads/master@{#39280}

The existing PropertyQueryCallback intercepts getOwnPropertyDescriptor, but
it returns only value and attributes, not the accessors. This
PropertyDescriptorCallback returns a descriptor similar to Ecma-262 6.2.4.

You can either set a PropertyQueryCallback or a PropertyDescriptorCallback,
but not both. When you set a callback for DefineProperty(), you can set a
PropertyDescriptorCallback but not a PropertyQueryCallback.

BUG=v8:5359

Review-Url: https://codereview.chromium.org/2311873002
Cr-Commit-Position: refs/heads/master@{#39279}

BUG=

Review-Url: https://codereview.chromium.org/2324623004
Cr-Commit-Position: refs/heads/master@{#39278}

This fixes the materialization of JSFunction objects to not rely on a
context being available. The context has been cleared because it might
be de-materiallized itself.

R=bmeurer@chromium.org
TEST=mjsunit/compiler/escape-analysis-materialize
BUG=chromium:644245

Review-Url: https://codereview.chromium.org/2320983002
Cr-Commit-Position: refs/heads/master@{#39277}

Review-Url: https://codereview.chromium.org/2319243002
Cr-Commit-Position: refs/heads/master@{#39276}

The test was using some callee saved registers but tests don't save those.

BUG=v8:5354

Review-Url: https://codereview.chromium.org/2322923002
Cr-Commit-Position: refs/heads/master@{#39275}

This fixes the materialization of JSArray objects to not rely on a
context being available. The context has been cleared because it might
be de-materiallized itself.

R=bmeurer@chromium.org
BUG=chromium:644245

Review-Url: https://codereview.chromium.org/2323713002
Cr-Commit-Position: refs/heads/master@{#39274}

BUG=chromium:636331
R=ulan@chromium.org

Review-Url: https://codereview.chromium.org/2319683002
Cr-Commit-Position: refs/heads/master@{#39273}

This patch moves the following parsing methods to ParserBase:

- ParseScopedStatement
- ParseVariableStatement
- ParseDebuggerStatement
- ParseV8Intrinsic

It also cleans up the implementation-specific use counter mechanism.

R=adamk@chromium.org, marja@chromium.org
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2318263002
Cr-Commit-Position: refs/heads/master@{#39272}

Review-Url: https://codereview.chromium.org/2319173002
Cr-Commit-Position: refs/heads/master@{#39271}

This adds support to the deoptimizer to materialize ContextExtension
objects that have been de-materialized by escape analysis. This is
follow-up to the inline allocation of such objects during the create
lowering phase (i.e. JSCreateWithContext and JSCreateCatchContext).

R=bmeurer@chromium.org
TEST=mjsunit/regress/regress-crbug-644245
BUG=chromium:644245

Review-Url: https://codereview.chromium.org/2317353003
Cr-Commit-Position: refs/heads/master@{#39270}

Also roll build and android_tools, which contains a bump of
the ndk to r12b.

BUG=chromium:629806

Review-Url: https://codereview.chromium.org/2320843003
Cr-Commit-Position: refs/heads/master@{#39269}

Delete unused CSA::AllocateUninitializedFixedArray() which also does not
respect ParameterMode concept.

Review-Url: https://codereview.chromium.org/2321643002
Cr-Commit-Position: refs/heads/master@{#39268}

This clears the context register by setting it to Smi(0) before calling
the Runtime::kNotifyDeoptimized helper. The deoptimizer must be able to
materialize all heap objects without any context available. The context
itself might be dematerialized.

With this change we make sure that invariant is maintained even without
escape analysis kicking in. We also satisfy the check that the context
register is either Smi(0) or a valid context. It might have been the
special {arguments_marker} in this particular case.

R=bmeurer@chromium.org
BUG=chromium:644245

Review-Url: https://codereview.chromium.org/2320673002
Cr-Commit-Position: refs/heads/master@{#39267}

When lowering Array.prototype.push/.pop to the fast inlined version, we
first need to ensure that all prototypes (including the Object.prototype)
are stable.

R=mvstanton@chromium.org
BUG=chromium:644689

Review-Url: https://codereview.chromium.org/2319533005
Cr-Commit-Position: refs/heads/master@{#39266}

BUG=

Review-Url: https://codereview.chromium.org/2304133002
Cr-Commit-Position: refs/heads/master@{#39265}

Reason for revert:
Breaks g++ build.

Original issue's description:
> [turbofan] ARM: Implement vswp and use in gap resolver
>
> Use vswp to switch double-precision registers in the gap resolver, with fall
> back temp register-based code if NEON is not available.
>
> BUG=
>
> Committed: https://crrev.com/2837c2e65a2ee5b9fc610f30ce1215f52323ecbd
> Cr-Commit-Position: refs/heads/master@{#39209}

BUG=

Review-Url: https://codereview.chromium.org/2314043002
Cr-Commit-Position: refs/heads/master@{#39264}

BUG=

Review-Url: https://codereview.chromium.org/2292973002
Cr-Commit-Position: refs/heads/master@{#39263}

The optimization is not correct for unsigned output types, and we the
overall complexity seems too high. We need to find a better way to
take into account the input/output type restrictions.

Also added a regression test for the unsigned output bug.

BUG=v8:5267,v8:5270,v8:5357
TBR=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2320013002
Cr-Commit-Position: refs/heads/master@{#39262}

The trouble here is that the type of the induction variable might be
a bit ahead of the increment (JSAdd) operation's type. When we update
the type of the increment, we might only update the induction variable
type while the JSAdd type might be stale. If the induction variable typing
needs to fall back to normal phi typing (e.g., when the increment is not
an integer anymore), it might use the stale type.

To get around this, we fake monotonicity if we fallback to normal phi
typing. Another option would be to force re-typing of the increment
operation, but that seems to be harder to maintain.

BUG=chromium:644633

Review-Url: https://codereview.chromium.org/2320803002
Cr-Commit-Position: refs/heads/master@{#39261}

This patch fixes a bunch of out-of-date TODOs, un-skips some tests
and refers to appropriate bug numbers and current specification
status where appropriate.

R=adamk

Review-Url: https://codereview.chromium.org/2319203002
Cr-Commit-Position: refs/heads/master@{#39260}

BUG=

Review-Url: https://codereview.chromium.org/2315413002
Cr-Commit-Position: refs/heads/master@{#39259}

Move it to HARMONY_STAGED bucket

Spec discussion:  https://github.com/tc39/ecma402/issues/30
It's in stage 4 and Firefox has already implemented it.

BUG=v8:5244
TEST=intl/date-format/date-format-to-parts.js
TEST=test262/intl402/DateTimeFormat/prototype/formatToParts/*

Review-Url: https://codereview.chromium.org/2317783003
Cr-Commit-Position: refs/heads/master@{#39258}

While fixing the bug, removed code duplication from super load/store
runtime calls, and inlined calls of Object::ReadAbsentProperty (left
over from strong mode).

BUG=v8:5335

Review-Url: https://codereview.chromium.org/2311413002
Cr-Commit-Position: refs/heads/master@{#39257}

This adds support for dematerialized context values as part of an
interpreted frame (similar to an FCG frame). Both frame translations
should be kept in sync as much as possible.

R=rmcilroy@chromium.org
BUG=chromium:644728

Review-Url: https://codereview.chromium.org/2313343002
Cr-Commit-Position: refs/heads/master@{#39256}

Chromium doesn't support lsan with mac's current toolchain.

BUG=chromium:644643
NOTRY=true

Review-Url: https://codereview.chromium.org/2322493002
Cr-Commit-Position: refs/heads/master@{#39255}

This yields a ~5% serialization time improvement on typical JSON-esque data.
The approach taken matches json-stringifier fairly closely.

BUG=chromium:148757

Review-Url: https://codereview.chromium.org/2311063004
Cr-Commit-Position: refs/heads/master@{#39254}