Revert of [es2015] Precompute the descriptive string for symbols.

Revert of [es2015] Precompute the descriptive string for symbols. (patchset #3 id:40001 of https://codereview.chromium.org/2900703002/ )

Reason for revert:
Speculative revert for:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds/8901

Original issue's description:
> [es2015] Precompute the descriptive string for symbols.
> 
> Previously the String constructor and the Symbol.prototype.toString
> methods had to compute the descriptive string for a Symbol on the fly,
> which can produce a lot of garbage when this happens a lot, i.e. when
> the String representation of a Symbol is used often. Now instead of
> doing this on-demand we can just do it upfront when creating the Symbol.
> 
> That way we also ensure that we won't throw an exception when accessing
> the descriptive string of a Symbol, due to potential String length
> overflow, but have the exception during Symbol creation upfront, which
> is a lot less surprising behavior.
> 
> BUG=v8:6278, v8:6344, v8:6350
> TBR=mlippautz@chromium.org
> R=ishell@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2900703002
> Cr-Commit-Position: refs/heads/master@{#45479}
> Committed: https://chromium.googlesource.com/v8/v8/+/e87573822e1c0c041c03f2b60599b0ab9256422f

TBR=ishell@chromium.org,mlippautz@chromium.org,bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6278, v8:6344, v8:6350
Review-Url: https://codereview.chromium.org/2903533002
Cr-Commit-Position: refs/heads/master@{#45483}
Committed: https://chromium.googlesource.com/v8/v8/+/3d40a47a9de333cc7f1c7c6a6d4daea5658bc901

[Michael Achenbach, 2017-05-23 11:57:55]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-05-23 11:57:55]

Created Revert of [es2015] Precompute the descriptive string for symbols.

[commit-bot: I haz the power, 2017-05-23 11:58:05]

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, 2017-05-23 11:58:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495540675178020, "parent_rev":
"44e4bb5225894d0df2880c56b4709f2e88728c12", "commit_rev":
"3d40a47a9de333cc7f1c7c6a6d4daea5658bc901"}

[commit-bot: I haz the power, 2017-05-23 11:58:25]

Description was changed from

==========
Revert of [es2015] Precompute the descriptive string for symbols. (patchset #3
id:40001 of https://codereview.chromium.org/2900703002/ )

Reason for revert:
Speculative revert for:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds...

Original issue's description:
> [es2015] Precompute the descriptive string for symbols.
> 
> Previously the String constructor and the Symbol.prototype.toString
> methods had to compute the descriptive string for a Symbol on the fly,
> which can produce a lot of garbage when this happens a lot, i.e. when
> the String representation of a Symbol is used often. Now instead of
> doing this on-demand we can just do it upfront when creating the Symbol.
> 
> That way we also ensure that we won't throw an exception when accessing
> the descriptive string of a Symbol, due to potential String length
> overflow, but have the exception during Symbol creation upfront, which
> is a lot less surprising behavior.
> 
> BUG=v8:6278,v8:6344,v8:6350
> TBR=mlippautz@chromium.org
> R=ishell@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2900703002
> Cr-Commit-Position: refs/heads/master@{#45479}
> Committed:
https://chromium.googlesource.com/v8/v8/+/e87573822e1c0c041c03f2b60599b0ab925...

TBR=ishell@chromium.org,mlippautz@chromium.org,bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6278,v8:6344,v8:6350
==========

to

==========
Revert of [es2015] Precompute the descriptive string for symbols. (patchset #3
id:40001 of https://codereview.chromium.org/2900703002/ )

Reason for revert:
Speculative revert for:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds...

Original issue's description:
> [es2015] Precompute the descriptive string for symbols.
> 
> Previously the String constructor and the Symbol.prototype.toString
> methods had to compute the descriptive string for a Symbol on the fly,
> which can produce a lot of garbage when this happens a lot, i.e. when
> the String representation of a Symbol is used often. Now instead of
> doing this on-demand we can just do it upfront when creating the Symbol.
> 
> That way we also ensure that we won't throw an exception when accessing
> the descriptive string of a Symbol, due to potential String length
> overflow, but have the exception during Symbol creation upfront, which
> is a lot less surprising behavior.
> 
> BUG=v8:6278,v8:6344,v8:6350
> TBR=mlippautz@chromium.org
> R=ishell@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2900703002
> Cr-Commit-Position: refs/heads/master@{#45479}
> Committed:
https://chromium.googlesource.com/v8/v8/+/e87573822e1c0c041c03f2b60599b0ab925...

TBR=ishell@chromium.org,mlippautz@chromium.org,bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6278,v8:6344,v8:6350

Review-Url: https://codereview.chromium.org/2903533002
Cr-Commit-Position: refs/heads/master@{#45483}
Committed:
https://chromium.googlesource.com/v8/v8/+/3d40a47a9de333cc7f1c7c6a6d4daea5658...
==========

[commit-bot: I haz the power, 2017-05-23 11:58:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/3d40a47a9de333cc7f1c7c6a6d4daea5658...