R=yangguo@chromium.org, Yang, rossberg@chromium.org
BUG=v8:3019, chromium:331971
LOG=Y

Review URL: https://codereview.chromium.org/271733005

Patch from Andrey Adaykin <aandrey@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21224 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/275433004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

1) runtime/references checks temporarily disabled (56 items left)
2) other errors fixed

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/277913002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Even although the Arm64 specification specifies that csp
only needs to be aligned to 16 bytes if it is dereferenced, some
implementations show poor performance.

Also makes the following change:
 - Enable CPU support for arm64 to enable probing of cpu implementer and cpu part.
 - Add ALWAYS_ALIGN_CSP CpuFeature for Arm64 and set it based on runtime probing of the cpu imp
 - Rename PrepareForPush and PrepareForPop to PushPreamble and PopPostamble and move PopPostabl

Original Review URL: https://codereview.chromium.org/264773004

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/271543004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/279513003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21220 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Revert of Prevent calls to ReturnValue::Set with pointer-valued types. (https://codereview.chromium.org/240013004/)

Reason for revert:
Looks like this broke the "V8 Linux64 ASAN" build.

Original issue's description:
> Prevent calls to ReturnValue::Set with pointer-valued types.
>
> Currently, this code will compile:
>   SomePointer* p = ...;
>   ReturnValue r = ...;
>   r.Set(p);
>
> What happens is that ReturnValue::Set has no pointer-ish overloads, but
> a bool one, and hence C++ will convert the pointer to a bool and use
> the Set(bool) overload. In other words, the example above is equivalent
> to: r.Set(p ? true : false); Which probably isn't what the author had
> in mind. This change adds a Set(void*) overload whose body forces a
> compile error, to prevent this from happening inadvertently. The only
> use of this indeed turned out to be an error.
>
> (Said error was fixed/removed in crrev.com/267393002.)
>
> BUG=
> R=dcarney@chromium.org
>
> Committed: https://code.google.com/p/v8/source/detail?r=21217

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/271113002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also inline BuildNewSpaceArrayCheck() into its caller, because
the name BuildNewSpaceArrayCheck was confusing anyway, since
it has nothing do with new space actually.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/275453004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21218 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Currently, this code will compile:
  SomePointer* p = ...;
  ReturnValue r = ...;
  r.Set(p);

What happens is that ReturnValue::Set has no pointer-ish overloads, but
a bool one, and hence C++ will convert the pointer to a bool and use
the Set(bool) overload. In other words, the example above is equivalent
to: r.Set(p ? true : false); Which probably isn't what the author had
in mind. This change adds a Set(void*) overload whose body forces a
compile error, to prevent this from happening inadvertently. The only
use of this indeed turned out to be an error.

(Wait for issue 364025 before submitting.)

BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/240013004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21217 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Storing a map or an immortal immovable object to old space
allocations requires no write barriers if the object is the
new space dominator.

R=hpayer@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/271103002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21216 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/279813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

It is crucial that the Isolate is cleanly disposed, otherwise the
optimizing compiler thread happily continues to run.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/274093002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21214 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/271583004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21213 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/276433004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21210 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=hpayer@chromium.org
BUG=370827
TEST=test/mjsunit/regress/regress-370827.js
LOG=N

Review URL: https://codereview.chromium.org/272503005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21209 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/264233005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21208 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

 * Route all access to the 3 weak lists through getters/setters.

 * Removed superfluous visiting already done by ProcessWeakReferences.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/273653006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/274043002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21206 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Changes compared to original CL: Until the Serializer/Isolate chaos is
cleaned up, we can't initalize/dispose cctests in a tidy way, see
cctest.cc.

BUG=359977
LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/267383002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/271843005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21204 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=mjsunit/array-shift,mjsunit/array-shift2,mjsunit/array-shift3
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/279743002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Rename Debug::MaybeRecompileFunctionForDebugging to
EnsureFunctionHasDebugBreakSlots and ensure that it does
nothing if the function is unoptimized code with debug
break slots, otherwise, if the shared code has no
debug break slots, it recompile that shared code and
sets the function code to that shared code.

Also removes two incorrect ASSERTs.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/271873003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/267343003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21200 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dslomov@chromium.org, machenbach@chromium.org

Review URL: https://codereview.chromium.org/250923002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21199 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=v8:3308
LOG=N
R=bmeurer@chromium.org, jochen@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/271683002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/270273005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21197 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This instruciton clobbers the index register.

BUG=368243
LOG=N
TEST=mjsunit/regress/regress-368243
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/269273003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Removed a related TODO in d8.cc on the way.

BUG=v8::3318
LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/275463002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=machenbach@chromium.org
BUG=v8:3154
TEST=cctest/test-heap/ReleaseOverReservedPages

Review URL: https://codereview.chromium.org/270303005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21192 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/268363010

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21191 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/252143002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21190 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/269343003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This is mainly meant to help with the transition of chrome using the
flag to promises being enabled by default

BUG=none
LOG=n
R=rossberg@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/270503005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/275433002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21187 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also try to determine an appropriate HType for tracked fields,
instead of (incorrectly) using HType::NonPrimitive() everywhere.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/269353003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21186 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=none
LOG=n
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/272433002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21185 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Revert "Arm64: Ensure that csp is always aligned to 16 byte values even if jssp is not." and "Arm64: Fix check errors on Arm64 debug after r21177.".

This reverts commit r21177 and r21179 for breaking the arm64 build.

TBR=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/271623002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21184 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/267363002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r21165 (50673b25)

Original commit message:
The fix is to make the code aging sequence hang off the isolate.

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/264823004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

r21177 added extra AssertStackConsistency() checks which
increased code size on debug and caused the assembler buffer
to be too large.  Increased some of these buffers to
compensate.

Also, ProfileEntryHoolStub could use the wrong number of
instructions for kProfileEntryHookCallSize depending upon
whether debug code was being emitted or ALWAYS_ALIGN_CSP was
enabled.  Fixed this by taking ALWAYS_ALIGN_CSP into account
and ensuring that no debug code is emitted during
MaybeCallEntryHook().

TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/263213008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21179 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Seems to crash some tests on buildbots.

TBR=ishell@chromium.org
CC=wingo@igalia.com,yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/273433002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21178 ce2b1a6d-e550-0410-aec6-3dcde31c8c00