Revert of Reland: [modules] Properly initialize declared variables.

Revert of Reland: [modules] Properly initialize declared variables. (patchset #6 id:100001 of https://codereview.chromium.org/2375793002/ )

Reason for revert:
Speculative revert for christmas tree

Original issue's description:
> Reland: [modules] Properly initialize declared variables.
>
> Before evaluating a module, all variables declared at the top-level
> in _any_ of the modules in the dependency graph must be initialized.
> This is observable because a module A can access a variable imported
> from module B (e.g. a function) at a point when module B's body hasn't
> been evaluated yet.
>
> We achieve this by implementing modules internally as generators with
> two states (not initialized, initialized).
>
> R=adamk@chromium.org
> BUG=v8:1569
> CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_win_dbg
>
> Committed: https://crrev.com/f4dfb6fbe1cdd9a0f287a1a9c496e1f69f6f5d20
> Committed: https://crrev.com/8c52a411583e870bd5ed100864caa58f491c5d88
> Cr-Original-Commit-Position: refs/heads/master@{#39871}
> Cr-Commit-Position: refs/heads/master@{#39892}

TBR=adamk@chromium.org,mstarzinger@chromium.org,machenbach@chromium.org,neis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:1569
Committed: https://crrev.com/669cb71e60eeaf34153549713ab02b415c84379f
Cr-Commit-Position: refs/heads/master@{#39896}

[Benedikt Meurer, 2016-09-30 04:21:54]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-09-30 04:21:55]

Created Revert of Reland: [modules] Properly initialize declared variables.

[commit-bot: I haz the power, 2016-09-30 04:22:01]

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, 2016-09-30 04:22:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-30 04:22:47]

Description was changed from

==========
Revert of Reland: [modules] Properly initialize declared variables. (patchset #6
id:100001 of https://codereview.chromium.org/2375793002/ )

Reason for revert:
Speculative revert for christmas tree

Original issue's description:
> Reland: [modules] Properly initialize declared variables.
> 
> Before evaluating a module, all variables declared at the top-level
> in _any_ of the modules in the dependency graph must be initialized.
> This is observable because a module A can access a variable imported
> from module B (e.g. a function) at a point when module B's body hasn't
> been evaluated yet.
> 
> We achieve this by implementing modules internally as generators with
> two states (not initialized, initialized).
> 
> R=adamk@chromium.org
> BUG=v8:1569
> CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_win_dbg
> 
> Committed: https://crrev.com/f4dfb6fbe1cdd9a0f287a1a9c496e1f69f6f5d20
> Committed: https://crrev.com/8c52a411583e870bd5ed100864caa58f491c5d88
> Cr-Original-Commit-Position: refs/heads/master@{#39871}
> Cr-Commit-Position: refs/heads/master@{#39892}

TBR=adamk@chromium.org,mstarzinger@chromium.org,machenbach@chromium.org,neis@...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:1569
==========

to

==========
Revert of Reland: [modules] Properly initialize declared variables. (patchset #6
id:100001 of https://codereview.chromium.org/2375793002/ )

Reason for revert:
Speculative revert for christmas tree

Original issue's description:
> Reland: [modules] Properly initialize declared variables.
>
> Before evaluating a module, all variables declared at the top-level
> in _any_ of the modules in the dependency graph must be initialized.
> This is observable because a module A can access a variable imported
> from module B (e.g. a function) at a point when module B's body hasn't
> been evaluated yet.
>
> We achieve this by implementing modules internally as generators with
> two states (not initialized, initialized).
>
> R=adamk@chromium.org
> BUG=v8:1569
> CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_win_dbg
>
> Committed: https://crrev.com/f4dfb6fbe1cdd9a0f287a1a9c496e1f69f6f5d20
> Committed: https://crrev.com/8c52a411583e870bd5ed100864caa58f491c5d88
> Cr-Original-Commit-Position: refs/heads/master@{#39871}
> Cr-Commit-Position: refs/heads/master@{#39892}

TBR=adamk@chromium.org,mstarzinger@chromium.org,machenbach@chromium.org,neis@...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:1569

Committed: https://crrev.com/669cb71e60eeaf34153549713ab02b415c84379f
Cr-Commit-Position: refs/heads/master@{#39896}
==========

[commit-bot: I haz the power, 2016-09-30 04:22:48]

Patchset 1 (id:??) landed as
https://crrev.com/669cb71e60eeaf34153549713ab02b415c84379f
Cr-Commit-Position: refs/heads/master@{#39896}