Revert of Improve saturated_cast performance

Revert of Improve saturated_cast performance (patchset #4 id:160001 of https://codereview.chromium.org/2585043002/ )

Reason for revert:
thakis@ thinks it hit this bug:
https://llvm.org/bugs/show_bug.cgi?id=29122
Will re-land after it's resolved.

Original issue's description:
> Improve saturated_cast performance
>
> Plumb custom bounds through DstRangeRelationToSrcRange to remove
> duplicate comparisons. Refactor RangeConstraint from an enum to a class
> containing bools, which can be independently evaluated at compile-time.
>
> NOTRY=true
>
> Committed: https://crrev.com/8b34cfe3286eea1b7107cfa74eb19a5195e3dda9
> Cr-Commit-Position: refs/heads/master@{#439508}

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

Committed: https://crrev.com/3e898ba2883687e17121e437d900280d811503d1
Cr-Commit-Position: refs/heads/master@{#439559}

[jschuh, 2016-12-19 21:12:03]

The CQ bit was checked by jschuh@chromium.org

[jschuh, 2016-12-19 21:12:03]

Created Revert of Improve saturated_cast performance

[commit-bot: I haz the power, 2016-12-19 21:12:50]

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, 2016-12-19 21:13:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482181923570110, "parent_rev":
"3cfb276c28edb7854bca96be56f7eec1365c640f", "commit_rev":
"3ec60027208d9ecce1dbaef2271617e5d48e9429"}

[commit-bot: I haz the power, 2016-12-19 21:13:55]

Description was changed from

==========
Revert of Improve saturated_cast performance (patchset #4 id:160001 of
https://codereview.chromium.org/2585043002/ )

Reason for revert:
thakis@ thinks it hit this bug:
https://llvm.org/bugs/show_bug.cgi?id=29122
Will re-land after it's resolved.

Original issue's description:
> Improve saturated_cast performance
> 
> Plumb custom bounds through DstRangeRelationToSrcRange to remove
> duplicate comparisons. Refactor RangeConstraint from an enum to a class
> containing bools, which can be independently evaluated at compile-time.
> 
> NOTRY=true
> 
> Committed: https://crrev.com/8b34cfe3286eea1b7107cfa74eb19a5195e3dda9
> Cr-Commit-Position: refs/heads/master@{#439508}

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

to

==========
Revert of Improve saturated_cast performance (patchset #4 id:160001 of
https://codereview.chromium.org/2585043002/ )

Reason for revert:
thakis@ thinks it hit this bug:
https://llvm.org/bugs/show_bug.cgi?id=29122
Will re-land after it's resolved.

Original issue's description:
> Improve saturated_cast performance
> 
> Plumb custom bounds through DstRangeRelationToSrcRange to remove
> duplicate comparisons. Refactor RangeConstraint from an enum to a class
> containing bools, which can be independently evaluated at compile-time.
> 
> NOTRY=true
> 
> Committed: https://crrev.com/8b34cfe3286eea1b7107cfa74eb19a5195e3dda9
> Cr-Commit-Position: refs/heads/master@{#439508}

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

Review-Url: https://codereview.chromium.org/2589973003
==========

[commit-bot: I haz the power, 2016-12-19 21:13:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-19 21:15:48]

Description was changed from

==========
Revert of Improve saturated_cast performance (patchset #4 id:160001 of
https://codereview.chromium.org/2585043002/ )

Reason for revert:
thakis@ thinks it hit this bug:
https://llvm.org/bugs/show_bug.cgi?id=29122
Will re-land after it's resolved.

Original issue's description:
> Improve saturated_cast performance
> 
> Plumb custom bounds through DstRangeRelationToSrcRange to remove
> duplicate comparisons. Refactor RangeConstraint from an enum to a class
> containing bools, which can be independently evaluated at compile-time.
> 
> NOTRY=true
> 
> Committed: https://crrev.com/8b34cfe3286eea1b7107cfa74eb19a5195e3dda9
> Cr-Commit-Position: refs/heads/master@{#439508}

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

Review-Url: https://codereview.chromium.org/2589973003
==========

to

==========
Revert of Improve saturated_cast performance (patchset #4 id:160001 of
https://codereview.chromium.org/2585043002/ )

Reason for revert:
thakis@ thinks it hit this bug:
https://llvm.org/bugs/show_bug.cgi?id=29122
Will re-land after it's resolved.

Original issue's description:
> Improve saturated_cast performance
>
> Plumb custom bounds through DstRangeRelationToSrcRange to remove
> duplicate comparisons. Refactor RangeConstraint from an enum to a class
> containing bools, which can be independently evaluated at compile-time.
>
> NOTRY=true
>
> Committed: https://crrev.com/8b34cfe3286eea1b7107cfa74eb19a5195e3dda9
> Cr-Commit-Position: refs/heads/master@{#439508}

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

Committed: https://crrev.com/3e898ba2883687e17121e437d900280d811503d1
Cr-Commit-Position: refs/heads/master@{#439559}
==========

[commit-bot: I haz the power, 2016-12-19 21:15:49]

Patchset 1 (id:??) landed as
https://crrev.com/3e898ba2883687e17121e437d900280d811503d1
Cr-Commit-Position: refs/heads/master@{#439559}