[macros] Implement NUMBER_IS_NAN in terms of strict equality.

[macros] Implement NUMBER_IS_NAN in terms of strict equality.

This slighty improves the Map/Set implementations in the new pipeline,
which makes heavy use of NUMBER_IS_NAN.

BUG=v8:5267
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2740433003
Cr-Commit-Position: refs/heads/master@{#43632}
Committed: https://chromium.googlesource.com/v8/v8/+/8150cb2c3ca3cf968d2b12b6625bc73733bd40cf

[Benedikt Meurer, 2017-03-07 10:12:14]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-07 10:12:17]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Jarin, 2017-03-07 10:14:06]

lgtm

[Benedikt Meurer, 2017-03-07 10:14:20]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2017-03-07 10:14:25]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2017-03-07 10:14:27]

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, 2017-03-07 10:39:01]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488881665112670, "parent_rev":
"98d03583ca17ba46e1950fcc5a121831d5e198cc", "commit_rev":
"8150cb2c3ca3cf968d2b12b6625bc73733bd40cf"}

[commit-bot: I haz the power, 2017-03-07 10:39:06]

Description was changed from

==========
[macros] Implement NUMBER_IS_NAN in terms of strict equality.

This slighty improves the Map/Set implementations in the new pipeline,
which makes heavy use of NUMBER_IS_NAN.

BUG=v8:5267
R=jarin@chromium.org
==========

to

==========
[macros] Implement NUMBER_IS_NAN in terms of strict equality.

This slighty improves the Map/Set implementations in the new pipeline,
which makes heavy use of NUMBER_IS_NAN.

BUG=v8:5267
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2740433003
Cr-Commit-Position: refs/heads/master@{#43632}
Committed:
https://chromium.googlesource.com/v8/v8/+/8150cb2c3ca3cf968d2b12b6625bc73733b...
==========

[commit-bot: I haz the power, 2017-03-07 10:39:06]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/8150cb2c3ca3cf968d2b12b6625bc73733b...