Revert of Revert of [strong] checking of this & super in constructors

Revert of Revert of [strong] checking of this & super in constructors (patchset #1 id:1 of https://codereview.chromium.org/1105453002/)

Reason for revert:
Was an infrastructure problem.

Original issue's description:
> Revert of [strong] checking of this & super in constructors (patchset #7 id:110001 of https://codereview.chromium.org/1024063002/)
>
> Reason for revert:
> [Sheriff] Breaks mac gc stress:
> http://build.chromium.org/p/client.v8/builders/V8%20Mac%20GC%20Stress/builds/1024
>
> Original issue's description:
> > [strong] checking of this & super in constructors
> >
> > R=dslomov@chromium.org, marja@chromium.org
> > BUG=v8:3956
> > LOG=N
> >
> > Enforces for constructors that
> > - the only use of 'super' is the super constructor call
> > - the only use of 'this' is a property assignment
> > - both of these must happen at the top-level of the body
> > - 'this' may only be assigned after the 'super' call
> > - 'return' may only be used after the last assignment to 'this'
> >
> > Not yet working for arrow functions (there might be deeper bugs with those).
> >
> > Committed: https://crrev.com/580d66bcda66220d2f3062ac58daf925436df74c
> > Cr-Commit-Position: refs/heads/master@{#27977}
>
> TBR=dslomov@chromium.org,marja@chromium.org,conradw@chromium.org,rossberg@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:3956
TBR=dslomov@chromium.org,marja@chromium.org,conradw@chromium.org,rossberg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:3956
Committed: https://crrev.com/1ea118d592ed5403ab01eb7fb008d41041a868f5
Cr-Commit-Position: refs/heads/master@{#28001}

[Michael Achenbach, 2015-04-22 11:04:17]

Created Revert of Revert of [strong] checking of this & super in constructors

[commit-bot: I haz the power, 2015-04-22 11:04:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1073103004/1

[commit-bot: I haz the power, 2015-04-22 11:04:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-22 13:19:28]

Patchset 1 (id:??) landed as
https://crrev.com/1ea118d592ed5403ab01eb7fb008d41041a868f5
Cr-Commit-Position: refs/heads/master@{#28001}