Revert of "PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots"

Revert of "PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots"

Reason for revert:
Original CL was reverted, https://codereview.chromium.org/2597163002

Original issue's description:
> PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots
>
> Port 93df094081f04c629c3df2e40318de90ce5e0fb9
>
> Original Commit Message:
>
>     Literal arrays and feedback vectors for a function can be garbage
>     collected if we don't have a rooted closure for the function, which
>     happens often. It's expensive to come back from this (recreating
>     boilerplates and gathering feedback again), and the cost is
>     disproportionate if the function was inlined into optimized code.
>
>     To guard against losing these arrays when we need them, we'll now
>     create literal arrays when creating the feedback vector for the outer
>     closure, and root them strongly in that vector.
>
> R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
> BUG=v8:5456
> LOG=N
>
> Review-Url: https://codereview.chromium.org/2592043003
> Cr-Commit-Position: refs/heads/master@{#41898}
> Committed: https://chromium.googlesource.com/v8/v8/+/19aa7a20b0c39ea9ef81d6e021863183732f82c0

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=v8:5456
LOG=N

Review-Url: https://codereview.chromium.org/2601793002
Cr-Commit-Position: refs/heads/master@{#41966}
Committed: https://chromium.googlesource.com/v8/v8/+/d2146f745c803b3c71c6330d3a0972f0dcec3831

[JaideepBajwa, 2016-12-27 17:10:41]

ptal

[john.yan, 2016-12-27 19:57:40]

lgtm

[JaideepBajwa, 2016-12-27 21:03:07]

The CQ bit was checked by bjaideep@ca.ibm.com

[commit-bot: I haz the power, 2016-12-27 21:03:13]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-27 21:25:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482872587964990, "parent_rev":
"2c3fda910d2930722c8bddce51e57f1fc500bf57", "commit_rev":
"d2146f745c803b3c71c6330d3a0972f0dcec3831"}

[commit-bot: I haz the power, 2016-12-27 21:25:16]

Description was changed from

==========
Revert of "PPC/s390: [TypeFeedbackVector] Root literal arrays in function
literals slots"

Reason for revert:
Original CL was reverted, https://codereview.chromium.org/2597163002

Original issue's description:
> PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots
>
> Port 93df094081f04c629c3df2e40318de90ce5e0fb9
>
> Original Commit Message:
>
>     Literal arrays and feedback vectors for a function can be garbage
>     collected if we don't have a rooted closure for the function, which
>     happens often. It's expensive to come back from this (recreating
>     boilerplates and gathering feedback again), and the cost is
>     disproportionate if the function was inlined into optimized code.
>
>     To guard against losing these arrays when we need them, we'll now
>     create literal arrays when creating the feedback vector for the outer
>     closure, and root them strongly in that vector.
>
> R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
> BUG=v8:5456
> LOG=N
>
> Review-Url: https://codereview.chromium.org/2592043003
> Cr-Commit-Position: refs/heads/master@{#41898}
> Committed:
https://chromium.googlesource.com/v8/v8/+/19aa7a20b0c39ea9ef81d6e021863183732...

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:5456
LOG=N
==========

to

==========
Revert of "PPC/s390: [TypeFeedbackVector] Root literal arrays in function
literals slots"

Reason for revert:
Original CL was reverted, https://codereview.chromium.org/2597163002

Original issue's description:
> PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots
>
> Port 93df094081f04c629c3df2e40318de90ce5e0fb9
>
> Original Commit Message:
>
>     Literal arrays and feedback vectors for a function can be garbage
>     collected if we don't have a rooted closure for the function, which
>     happens often. It's expensive to come back from this (recreating
>     boilerplates and gathering feedback again), and the cost is
>     disproportionate if the function was inlined into optimized code.
>
>     To guard against losing these arrays when we need them, we'll now
>     create literal arrays when creating the feedback vector for the outer
>     closure, and root them strongly in that vector.
>
> R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
> BUG=v8:5456
> LOG=N
>
> Review-Url: https://codereview.chromium.org/2592043003
> Cr-Commit-Position: refs/heads/master@{#41898}
> Committed:
https://chromium.googlesource.com/v8/v8/+/19aa7a20b0c39ea9ef81d6e021863183732...

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:5456
LOG=N

Review-Url: https://codereview.chromium.org/2601793002
Cr-Commit-Position: refs/heads/master@{#41966}
Committed:
https://chromium.googlesource.com/v8/v8/+/d2146f745c803b3c71c6330d3a0972f0dce...
==========

[commit-bot: I haz the power, 2016-12-27 21:25:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/d2146f745c803b3c71c6330d3a0972f0dce...