Fix for left shift of potentially negative value.

Fix for left shift of potentially negative value.

Left shifting of negative integers is undefined behavior, and should be prevented. This CL fixes one such instance in the Levinson Durbin function.

BUG=chromium:681377
Review-Url: https://codereview.webrtc.org/2680973005
Cr-Commit-Position: refs/heads/master@{#16507}
Committed: https://chromium.googlesource.com/external/webrtc/+/a48e1b6bc3d26dfc70748f05112617e8fddb32fa

[ivoc, 2017-02-08 16:18:39]

Description was changed from

==========
Fix for left shift of potentially negative value.

Left shifting of negative integers is undefined behavior, and should be
prevented. This CL fixes one such instance in the Levinson Durbin function.

BUG=chromium:681377
==========

to

==========
Fix for left shift of potentially negative value.

Left shifting of negative integers is undefined behavior, and should be
prevented. This CL fixes one such instance in the Levinson Durbin function.

BUG=chromium:681377
==========

[ivoc, 2017-02-08 16:18:39]

ivoc@webrtc.org changed reviewers:
+ kwiberg@webrtc.org

[ivoc, 2017-02-08 16:19:50]

Hi Karl,

PTAL at another fuzzer fix. This one is very similar to the last one
(https://codereview.webrtc.org/2621693002/), so it should be straightforward.

[kwiberg-webrtc, 2017-02-09 05:12:32]

lgtm

[ivoc, 2017-02-09 09:44:55]

The CQ bit was checked by ivoc@webrtc.org

[commit-bot: I haz the power, 2017-02-09 09:45:04]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-02-09 11:06:00]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486633495390810, "parent_rev":
"2324b358907318de3f45b3965a11504db3aa0589", "commit_rev":
"a48e1b6bc3d26dfc70748f05112617e8fddb32fa"}

[commit-bot: I haz the power, 2017-02-09 11:06:03]

Description was changed from

==========
Fix for left shift of potentially negative value.

Left shifting of negative integers is undefined behavior, and should be
prevented. This CL fixes one such instance in the Levinson Durbin function.

BUG=chromium:681377
==========

to

==========
Fix for left shift of potentially negative value.

Left shifting of negative integers is undefined behavior, and should be
prevented. This CL fixes one such instance in the Levinson Durbin function.

BUG=chromium:681377

Review-Url: https://codereview.webrtc.org/2680973005
Cr-Commit-Position: refs/heads/master@{#16507}
Committed:
https://chromium.googlesource.com/external/webrtc/+/a48e1b6bc3d26dfc70748f051...
==========

[commit-bot: I haz the power, 2017-02-09 11:06:03]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/a48e1b6bc3d26dfc70748f051...