Revert of [turbofan] Remove the leftover LoadBuffer hacks.

Revert of [turbofan] Remove the leftover LoadBuffer hacks. (patchset #1 id:1 of https://codereview.chromium.org/1887343002/ )

Reason for revert:
Using types in ChangeLowering is generally unsafe.

Original issue's description:
> [turbofan] Remove the leftover LoadBuffer hacks.
>
> R=jarin@chromium.org
>
> Committed: https://crrev.com/20eff45de11609934be339dffe46276ff0a4bc22
> Cr-Commit-Position: refs/heads/master@{#35509}

TBR=jarin@chromium.org,mstarzinger@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.

Committed: https://crrev.com/0b9cd6cbec8a5420ca7bf11b1b8c078d31e96827
Cr-Commit-Position: refs/heads/master@{#35549}

[Benedikt Meurer, 2016-04-16 18:35:30]

Created Revert of [turbofan] Remove the leftover LoadBuffer hacks.

[commit-bot: I haz the power, 2016-04-16 18:35:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1893893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1893893002/1

[commit-bot: I haz the power, 2016-04-16 18:57:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-16 18:58:25]

Description was changed from

==========
Revert of [turbofan] Remove the leftover LoadBuffer hacks. (patchset #1 id:1 of
https://codereview.chromium.org/1887343002/ )

Reason for revert:
Using types in ChangeLowering is generally unsafe.

Original issue's description:
> [turbofan] Remove the leftover LoadBuffer hacks.
> 
> R=jarin@chromium.org
> 
> Committed: https://crrev.com/20eff45de11609934be339dffe46276ff0a4bc22
> Cr-Commit-Position: refs/heads/master@{#35509}

TBR=jarin@chromium.org,mstarzinger@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
==========

to

==========
Revert of [turbofan] Remove the leftover LoadBuffer hacks. (patchset #1 id:1 of
https://codereview.chromium.org/1887343002/ )

Reason for revert:
Using types in ChangeLowering is generally unsafe.

Original issue's description:
> [turbofan] Remove the leftover LoadBuffer hacks.
>
> R=jarin@chromium.org
>
> Committed: https://crrev.com/20eff45de11609934be339dffe46276ff0a4bc22
> Cr-Commit-Position: refs/heads/master@{#35509}

TBR=jarin@chromium.org,mstarzinger@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.

Committed: https://crrev.com/0b9cd6cbec8a5420ca7bf11b1b8c078d31e96827
Cr-Commit-Position: refs/heads/master@{#35549}
==========

[commit-bot: I haz the power, 2016-04-16 18:58:26]

Patchset 1 (id:??) landed as
https://crrev.com/0b9cd6cbec8a5420ca7bf11b1b8c078d31e96827
Cr-Commit-Position: refs/heads/master@{#35549}