Update UBSAN vptr blacklists to account for startup crashes.

Update UBSAN vptr blacklists to account for startup crashes.

R=mbarbella@chromium.org
BUG=

Committed: https://crrev.com/5f5661cc03d0f1f1feb5de252883d01ab82c187c
Cr-Commit-Position: refs/heads/master@{#319098}

[Martin Barbella, 2015-03-04 19:11:59]

lgtm

[inferno, 2015-03-04 19:13:04]

The CQ bit was checked by inferno@chromium.org

[commit-bot: I haz the power, 2015-03-04 19:14:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/978523004/20001

[commit-bot: I haz the power, 2015-03-04 19:14:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-03-04 19:14:49]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[inferno, 2015-03-04 19:18:31]

samsonov@, if you have time, please see if you get some workaround/fixes for
these ubsan-vptr bugs. esp the static_cast<A*>(nullptr) crash.

[inferno, 2015-03-04 19:21:10]

Committed patchset #2 (id:20001) manually as
5f5661cc03d0f1f1feb5de252883d01ab82c187c (presubmit successful).

[commit-bot: I haz the power, 2015-03-04 19:21:11]

Patchset 2 (id:??) landed as
https://crrev.com/5f5661cc03d0f1f1feb5de252883d01ab82c187c
Cr-Commit-Position: refs/heads/master@{#319098}