[heap] Fix computation of marking progress in incremental finalization.

[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when the old top is greater than
the current top.

BUG=chromium:694255
Review-Url: https://codereview.chromium.org/2850373003
Cr-Commit-Position: refs/heads/master@{#45037}
Committed: https://chromium.googlesource.com/v8/v8/+/5a766b4401b262aa7dcf9e32e37157ddb8a07b28

[ulan, 2017-05-02 12:11:01]

Description was changed from

==========
[heap] Fix computation of marking progress in incremental finalization.

BUG=chromium:694255
==========

to

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when old_top > top.

BUG=chromium:694255
==========

[ulan, 2017-05-02 12:11:50]

Description was changed from

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when old_top > top.

BUG=chromium:694255
==========

to

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when old top is greater than
the current top.

BUG=chromium:694255
==========

[ulan, 2017-05-02 12:11:57]

Description was changed from

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when old top is greater than
the current top.

BUG=chromium:694255
==========

to

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when the old top is greater than
the current top.

BUG=chromium:694255
==========

[ulan, 2017-05-02 12:15:57]

ulan@chromium.org changed reviewers:
+ mlippautz@chromium.org

[ulan, 2017-05-02 12:15:57]

ptal

[Michael Lippautz, 2017-05-02 12:23:08]

lgtm

[ulan, 2017-05-02 13:51:22]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2017-05-02 13:51:32]

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, 2017-05-02 14:28:12]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1493733082120840,
"parent_rev": "8d628bc920eacdfc8f618fefb02b5cd278f4142f", "commit_rev":
"5a766b4401b262aa7dcf9e32e37157ddb8a07b28"}

[commit-bot: I haz the power, 2017-05-02 14:28:17]

Description was changed from

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when the old top is greater than
the current top.

BUG=chromium:694255
==========

to

==========
[heap] Fix computation of marking progress in incremental finalization.

The existing formula returns non-sense when the old top is greater than
the current top.

BUG=chromium:694255

Review-Url: https://codereview.chromium.org/2850373003
Cr-Commit-Position: refs/heads/master@{#45037}
Committed:
https://chromium.googlesource.com/v8/v8/+/5a766b4401b262aa7dcf9e32e37157ddb8a...
==========

[commit-bot: I haz the power, 2017-05-02 14:28:18]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/v8/v8/+/5a766b4401b262aa7dcf9e32e37157ddb8a...