Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.

Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation. (patchset #2 id:20001 of https://codereview.chromium.org/2167593002/ )

Reason for revert:
Breaks arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20gc%20stress/builds/1605

Original issue's description:
> [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.
>
> Add a dedicated simplified operator to inline the general case for the
> ToBoolean conversion. In a follow up CL we will also use the ToBoolean
> hints gathered by the baseline compiler.
>
> Committed: https://crrev.com/8c50b51ab3d21efcd2f6900d83962159f21e1590
> Cr-Commit-Position: refs/heads/master@{#37882}

TBR=jarin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/52a66bf1a87f4224c7cd100fe2fd5bdc49b583d6
Cr-Commit-Position: refs/heads/master@{#37899}

[Benedikt Meurer, 2016-07-20 10:16:45]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-07-20 10:16:45]

Created Revert of [turbofan] Introduce TruncateTaggedToBit operator for
ToBoolean truncation.

[commit-bot: I haz the power, 2016-07-20 10:16:50]

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, 2016-07-20 10:17:03]

Description was changed from

==========
Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean
truncation. (patchset #2 id:20001 of https://codereview.chromium.org/2167593002/
)

Reason for revert:
Breaks arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.
> 
> Add a dedicated simplified operator to inline the general case for the
> ToBoolean conversion. In a follow up CL we will also use the ToBoolean
> hints gathered by the baseline compiler.
> 
> Committed: https://crrev.com/8c50b51ab3d21efcd2f6900d83962159f21e1590
> Cr-Commit-Position: refs/heads/master@{#37882}

TBR=jarin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean
truncation. (patchset #2 id:20001 of https://codereview.chromium.org/2167593002/
)

Reason for revert:
Breaks arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.
> 
> Add a dedicated simplified operator to inline the general case for the
> ToBoolean conversion. In a follow up CL we will also use the ToBoolean
> hints gathered by the baseline compiler.
> 
> Committed: https://crrev.com/8c50b51ab3d21efcd2f6900d83962159f21e1590
> Cr-Commit-Position: refs/heads/master@{#37882}

TBR=jarin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

[commit-bot: I haz the power, 2016-07-20 10:17:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-20 10:18:54]

Description was changed from

==========
Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean
truncation. (patchset #2 id:20001 of https://codereview.chromium.org/2167593002/
)

Reason for revert:
Breaks arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.
> 
> Add a dedicated simplified operator to inline the general case for the
> ToBoolean conversion. In a follow up CL we will also use the ToBoolean
> hints gathered by the baseline compiler.
> 
> Committed: https://crrev.com/8c50b51ab3d21efcd2f6900d83962159f21e1590
> Cr-Commit-Position: refs/heads/master@{#37882}

TBR=jarin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean
truncation. (patchset #2 id:20001 of https://codereview.chromium.org/2167593002/
)

Reason for revert:
Breaks arm64 gc stress:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Linux%20-%20arm64%...

Original issue's description:
> [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.
>
> Add a dedicated simplified operator to inline the general case for the
> ToBoolean conversion. In a follow up CL we will also use the ToBoolean
> hints gathered by the baseline compiler.
>
> Committed: https://crrev.com/8c50b51ab3d21efcd2f6900d83962159f21e1590
> Cr-Commit-Position: refs/heads/master@{#37882}

TBR=jarin@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/52a66bf1a87f4224c7cd100fe2fd5bdc49b583d6
Cr-Commit-Position: refs/heads/master@{#37899}
==========

[commit-bot: I haz the power, 2016-07-20 10:18:55]

Patchset 1 (id:??) landed as
https://crrev.com/52a66bf1a87f4224c7cd100fe2fd5bdc49b583d6
Cr-Commit-Position: refs/heads/master@{#37899}