Port 119cb566

BUG=

Review URL: https://codereview.chromium.org/929443003

Cr-Commit-Position: refs/heads/master@{#26711}

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

Review URL: https://codereview.chromium.org/921683006

Cr-Commit-Position: refs/heads/master@{#26710}

R=arv@chromium.org,marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/933813003

Cr-Commit-Position: refs/heads/master@{#26709}

This gets Variable and VariableProxy out of the business of worrying about
Interfaces.

At the same time, get rid of the notion of "module variables". In ES6, variables
that refer to modules will be simply be CONST bindings to module namespace
objects.

The only change in logic here is one more early error:
duplicate export names are now rejected.

BUG=v8:1569
LOG=n

Review URL: https://codereview.chromium.org/918373002

Cr-Commit-Position: refs/heads/master@{#26708}

Port acd9c46c

Original commit message:
This adds a new ControlFlowOptimizer that - for now - recognizes chains
of Branches generated by the SwitchBuilder for a subset of javascript
switches into Switch nodes. Those Switch nodes are then lowered to
either table or lookup switches.

Also rename Case to IfValue (and introduce IfDefault) for consistency.

BUG=v8:3872
LOG=n

Review URL: https://codereview.chromium.org/931263002

Cr-Commit-Position: refs/heads/master@{#26707}

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/931233003

Cr-Commit-Position: refs/heads/master@{#26706}

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/921083004

Cr-Commit-Position: refs/heads/master@{#26705}

BUG=chromium:457935
LOG=n
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/935623002

Cr-Commit-Position: refs/heads/master@{#26704}

R=ishell@chromium.org
TBR=ishell@chromium.org

Review URL: https://codereview.chromium.org/928373003

Cr-Commit-Position: refs/heads/master@{#26703}

R=jarin@chromium.org
TEST=mjsunit/regress/regress-3884
BUG=v8:3884
LOG=N

Review URL: https://codereview.chromium.org/933913002

Cr-Commit-Position: refs/heads/master@{#26702}

R=marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/931223002

Cr-Commit-Position: refs/heads/master@{#26701}

Port 49cbe537

BUG=

Review URL: https://codereview.chromium.org/930623003

Cr-Commit-Position: refs/heads/master@{#26700}

Port feb28907

Original commit message:
Adds Switch and Case operators to TurboFan and handles them
appropriately in instruction selection and code generation.

BUG=

Review URL: https://codereview.chromium.org/932683002

Cr-Commit-Position: refs/heads/master@{#26699}

R=marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/932833002

Cr-Commit-Position: refs/heads/master@{#26698}

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/927953003

Cr-Commit-Position: refs/heads/master@{#26697}

BUG=

Review URL: https://codereview.chromium.org/935603002

Cr-Commit-Position: refs/heads/master@{#26696}

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/919173003

Cr-Commit-Position: refs/heads/master@{#26695}

It would force us to make mjsunit.js strong-compatible, and that's too much for
now (for the upcoming features) and would have a ripple effect on other
tests. Especially debug-script.js which unships harmony features would break.

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/930293002

Cr-Commit-Position: refs/heads/master@{#26694}

Fix compilation problem with android toolchain.

Added new INTERNAL_REFERENCE_ENCODED RelocInfo type to differentiate MIPS existing use of internal references in instructions from the new raw pointer reference needed for dd(Label*).

BUG=
TEST=cctest/test-assembler-mips/jump_tables1, cctest/test-assembler-mips/jump_tables2, cctest/test-assembler-mips/jump_tables3, cctest/test-run-machops/RunSwitch1

Review URL: https://codereview.chromium.org/935593002

Cr-Commit-Position: refs/heads/master@{#26693}

BUG=

Review URL: https://codereview.chromium.org/934803002

Cr-Commit-Position: refs/heads/master@{#26692}

This adds a new ControlFlowOptimizer that - for now - recognizes chains
of Branches generated by the SwitchBuilder for a subset of javascript
switches into Switch nodes. Those Switch nodes are then lowered to
either table or lookup switches.

Also rename Case to IfValue (and introduce IfDefault) for consistency.

BUG=v8:3872
LOG=n

Review URL: https://codereview.chromium.org/931623002

Cr-Commit-Position: refs/heads/master@{#26691}

BUG=

Review URL: https://codereview.chromium.org/934773002

Cr-Commit-Position: refs/heads/master@{#26690}

Fix CompilationInfo::TraceInlinedFunction argument.
Fix leaked CodeTracer in Isolate

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/928343003

Cr-Commit-Position: refs/heads/master@{#26689}

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/933873002

Cr-Commit-Position: refs/heads/master@{#26688}

This broke with the TSAN fix.

R=marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/933863002

Cr-Commit-Position: refs/heads/master@{#26687}

Note OSR special case.
Also improved robustness of OSR tests.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/920573004

Cr-Commit-Position: refs/heads/master@{#26686}

BUG=v8:3892
LOG=Y

Review URL: https://codereview.chromium.org/928193002

Cr-Commit-Position: refs/heads/master@{#26685}

Failing calls to show-ref cause an exception in python.

BUG=chromium:451975
TBR=tandrii@chromium.org
NOTRY=true
LOG=n

TEST=./script_test.py

Review URL: https://codereview.chromium.org/933523003

Cr-Commit-Position: refs/heads/master@{#26684}

Review URL: https://codereview.chromium.org/930243002

Cr-Commit-Position: refs/heads/master@{#26683}

Next step: fix copying of the graph in inlining.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/934723002

Cr-Commit-Position: refs/heads/master@{#26682}

BUG=

Review URL: https://codereview.chromium.org/931083002

Cr-Commit-Position: refs/heads/master@{#26681}

A function could be deoptimized due to a deopt in the inlined code.
The inlined function might be defined in another script. So we need to
track the information about the inlined functions (scriptId and offset).
We already have the tracking code which is behind FLAG_hydrogen_track_position.
So as the first step we need to make the info accessible by CPU profiler.
In the follow-up patches I'll add the code which will enable position
tracking and push the info into CodeEntry entries.

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/914413007

Cr-Commit-Position: refs/heads/master@{#26680}

BUG=

Review URL: https://codereview.chromium.org/930983003

Cr-Commit-Position: refs/heads/master@{#26679}

Review URL: https://codereview.chromium.org/924943006

Cr-Commit-Position: refs/heads/master@{#26678}

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/925363003

Cr-Commit-Position: refs/heads/master@{#26677}

BUG=chromium:451975
TBR=tandrii@chromium.org
NOTRY=true
LOG=n

TEST=./script_test.py

Review URL: https://codereview.chromium.org/932703002

Cr-Commit-Position: refs/heads/master@{#26676}

Revert of MIPS: Fix 'Assembler support for internal references.' (patchset #1 id:1 of https://codereview.chromium.org/922043005/)

Reason for revert:
Breaks http://build.chromium.org/p/chromium.fyi/builders/Android%20MIPS%20Builder%20(dbg)

Original issue's description:
> MIPS: Fix 'Assembler support for internal references.'
>
> Added new INTERNAL_REFERENCE_ENCODED RelocInfo type to differentiate MIPS existing use of internal references in instructions from the new raw pointer reference needed for dd(Label*).
>
> BUG=
> TEST=cctest/test-assembler-mips/jump_tables1, cctest/test-assembler-mips/jump_tables2, cctest/test-assembler-mips/jump_tables3, cctest/test-run-machops/RunSwitch1
>
> Committed: https://crrev.com/244ac6de8316259bc5878480e05348a369c08e2f
> Cr-Commit-Position: refs/heads/master@{#26651}

TBR=danno@chromium.org,bmeurer@chromium.org,jkummerow@chromium.org,paul.lind@imgtec.com,gergely.kis@imgtec.com,akos.palfi@imgtec.com,dusan.milosavljevic@imgtec.com,balazs.kilvady@imgtec.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/934623003

Cr-Commit-Position: refs/heads/master@{#26675}

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/927153002

Cr-Commit-Position: refs/heads/master@{#26674}

BUG=v8:3891
LOG=N
R=arv@chromium.org, marja@chromium.org

Review URL: https://codereview.chromium.org/924403002

Cr-Commit-Position: refs/heads/master@{#26673}

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/929123002

Cr-Commit-Position: refs/heads/master@{#26672}