build: Add a new build flag, use_cfi_icall.

build: Add a new build flag, use_cfi_icall.

This flag enables CFI for indirect calls via a function pointer.

BUG=701919
R=thakis@chromium.org

Review-Url: https://codereview.chromium.org/2749393002
Cr-Commit-Position: refs/heads/master@{#457229}
Committed: https://chromium.googlesource.com/chromium/src/+/a7bb0b59a2a4c5918ddfa951f91591ddee7d468e

[Nico, 2017-03-15 20:16:34]

lgtm

This is the fourth cfi-related build setting :-(

[pcc1, 2017-03-15 20:21:32]

The CQ bit was checked by pcc@chromium.org

[commit-bot: I haz the power, 2017-03-15 20:22:11]

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, 2017-03-15 22:12:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489609292865170, "parent_rev":
"a6ba05eb3482758392c1e440f853f4e612140122", "commit_rev":
"a7bb0b59a2a4c5918ddfa951f91591ddee7d468e"}

[commit-bot: I haz the power, 2017-03-15 22:12:55]

Description was changed from

==========
build: Add a new build flag, use_cfi_icall.

This flag enables CFI for indirect calls via a function pointer.

BUG=701919
R=thakis@chromium.org
==========

to

==========
build: Add a new build flag, use_cfi_icall.

This flag enables CFI for indirect calls via a function pointer.

BUG=701919
R=thakis@chromium.org

Review-Url: https://codereview.chromium.org/2749393002
Cr-Commit-Position: refs/heads/master@{#457229}
Committed:
https://chromium.googlesource.com/chromium/src/+/a7bb0b59a2a4c5918ddfa951f915...
==========

[commit-bot: I haz the power, 2017-03-15 22:13:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a7bb0b59a2a4c5918ddfa951f915...