roll clang 159409:160967

roll clang 159409:160967

* Lets -Wunused-private-field find more stuff 
* Fixes an ASan problem on precise 
* Improves the plugin's handling of inner classes (off by default, 
can be enabled with |-Xclang -plugin-arg-find-bad-constructs 
-Xclang check-inner-classes|) 
* Makes addr2line much faster on linux

BUG=139346
TBR=mark for base (the change was reviewed as part of https://chromiumcodereview.appspot.com/10833055/)

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=149286

[Nico, 2012-07-31 15:56:56]

Let's see what goes wrong this time! (so far: the goma uploader stopped running
for me, but that should be fixable locally)

[hans, 2012-07-31 16:00:36]

On 2012/07/31 15:56:56, Nico wrote:
> Let's see what goes wrong this time! (so far: the goma uploader stopped
running
> for me, but that should be fixable locally)

fingers crossed! lgtm, let's see if it looks good to the bots too :)

[Nico, 2012-07-31 17:17:52]

It sounds like this clang might have issues with 32bit asan. This affects the
mac bot. After talking with glider, we agreed to roll back asan locally on just
the mac asan bot if it's actually impacted by this issue.

[commit-bot: I haz the power, 2012-07-31 17:18:00]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/10825104/2001

[commit-bot: I haz the power, 2012-07-31 18:29:50]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/10825104/10002

[commit-bot: I haz the power, 2012-07-31 18:59:44]

Try job failure for 10825104-10002 (retry) on mac_rel for step "compile"
(clobber build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-07-31 19:05:14]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/10825104/10003

[commit-bot: I haz the power, 2012-07-31 20:03:44]

Try job failure for 10825104-10003 (retry) on mac_rel for steps "base_unittests,
browser_tests, cacheinvalidation_unittests, jingle_unittests,
remoting_unittests, interactive_ui_tests, crypto_unittests, net_unittests,
unit_tests, gpu_unittests, nacl_integration, media_unittests,
safe_browsing_tests, ipc_tests, printing_unittests, sql_unittests,
content_unittests, sync_unit_tests".
It's a second try, previously, steps "base_unittests, browser_tests,
cacheinvalidation_unittests, jingle_unittests, remoting_unittests,
interactive_ui_tests, crypto_unittests, net_unittests, unit_tests,
gpu_unittests, nacl_integration, media_unittests, safe_browsing_tests,
ipc_tests, printing_unittests, sql_unittests, content_unittests,
sync_unit_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2012-07-31 20:42:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/10825104/10003

[commit-bot: I haz the power, 2012-07-31 21:59:21]

Change committed as 149286