Revert of Remove --ignition-staging to --ignition-osr implication.

Revert of Remove --ignition-staging to --ignition-osr implication. (patchset #1 id:1 of https://codereview.chromium.org/2298613003/ )

Reason for revert:
Re-enable to get new data after recent changes.

Original issue's description:
> Remove --ignition-staging to --ignition-osr implication.
>
> Ignition OSR to turbofan seems to cause instruction selector crashes
> (where instructions selector gets simplified operators, probably
> because we break the effect chain somehow).
>
> BUG=chromium:641893
>
> Committed: https://crrev.com/26df3e230ebd8c7d1cd95ea54155959eee7cb830
> Cr-Commit-Position: refs/heads/master@{#39045}

TBR=bmeurer@chromium.org,jarin@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:641893
Committed: https://crrev.com/8a1747d08c763107c6bd45f960a1684cab4a9ca9
Cr-Commit-Position: refs/heads/master@{#39231}

[Michael Starzinger, 2016-09-07 07:33:48]

The CQ bit was checked by mstarzinger@chromium.org

[Michael Starzinger, 2016-09-07 07:33:49]

Created Revert of Remove --ignition-staging to --ignition-osr implication.

[commit-bot: I haz the power, 2016-09-07 07:33:56]

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, 2016-09-07 08:02:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-07 08:03:01]

Description was changed from

==========
Revert of Remove --ignition-staging to --ignition-osr implication. (patchset #1
id:1 of https://codereview.chromium.org/2298613003/ )

Reason for revert:
Re-enable to get new data after recent changes.

Original issue's description:
> Remove --ignition-staging to --ignition-osr implication.
> 
> Ignition OSR to turbofan seems to cause instruction selector crashes
> (where instructions selector gets simplified operators, probably
> because we break the effect chain somehow).
> 
> BUG=chromium:641893
> 
> Committed: https://crrev.com/26df3e230ebd8c7d1cd95ea54155959eee7cb830
> Cr-Commit-Position: refs/heads/master@{#39045}

TBR=bmeurer@chromium.org,jarin@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:641893
==========

to

==========
Revert of Remove --ignition-staging to --ignition-osr implication. (patchset #1
id:1 of https://codereview.chromium.org/2298613003/ )

Reason for revert:
Re-enable to get new data after recent changes.

Original issue's description:
> Remove --ignition-staging to --ignition-osr implication.
>
> Ignition OSR to turbofan seems to cause instruction selector crashes
> (where instructions selector gets simplified operators, probably
> because we break the effect chain somehow).
>
> BUG=chromium:641893
>
> Committed: https://crrev.com/26df3e230ebd8c7d1cd95ea54155959eee7cb830
> Cr-Commit-Position: refs/heads/master@{#39045}

TBR=bmeurer@chromium.org,jarin@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:641893

Committed: https://crrev.com/8a1747d08c763107c6bd45f960a1684cab4a9ca9
Cr-Commit-Position: refs/heads/master@{#39231}
==========

[commit-bot: I haz the power, 2016-09-07 08:03:02]

Patchset 1 (id:??) landed as
https://crrev.com/8a1747d08c763107c6bd45f960a1684cab4a9ca9
Cr-Commit-Position: refs/heads/master@{#39231}