Ensure libunwind symbols are hidden

Ensure libunwind symbols are hidden

BUG=593874
R=thakis@chromium.org

Committed: 1dcd1bdbe93467531a50b60dbd18860803ca7be1

[Tom Anderson, 2017-06-27 18:10:56]

Description was changed from

==========
Make symbols from libunwind hidden

Do not land yet; still need to update the libunwind revision.

BUG=593874
R=thakis@chromium.org
==========

to

==========
Make symbols from libunwind hidden

Do not land yet; still need to update the libunwind revision to include
https://reviews.llvm.org/D34637 once it lands.

BUG=593874
R=thakis@chromium.org
==========

[Tom Anderson, 2017-06-27 18:45:14]

Description was changed from

==========
Make symbols from libunwind hidden

Do not land yet; still need to update the libunwind revision to include
https://reviews.llvm.org/D34637 once it lands.

BUG=593874
R=thakis@chromium.org
==========

to

==========
Ensure libunwind symbols are hidden

BUG=593874
R=thakis@chromium.org
==========

[Nico, 2017-06-27 18:53:34]

lgtm

[Tom Anderson, 2017-06-27 19:01:56]

Description was changed from

==========
Ensure libunwind symbols are hidden

BUG=593874
R=thakis@chromium.org
==========

to

==========
Ensure libunwind symbols are hidden

BUG=593874
R=thakis@chromium.org

Committed: 1dcd1bdbe93467531a50b60dbd18860803ca7be1
==========

[Tom Anderson, 2017-06-27 19:01:57]

Committed patchset #2 (id:20001) manually as
1dcd1bdbe93467531a50b60dbd18860803ca7be1 (presubmit successful).