clang/win: Disable precompiled headers.

clang/win: Disable precompiled headers.

The protobuf3 roll triggered a compiler crash in the pch codepath.

BUG=605570
R=hans@chromium.org

Committed: https://crrev.com/589ef6b6a9d60b21d6c78b92887de1b9d04b7e0f
Cr-Commit-Position: refs/heads/master@{#388887}

[Nico, 2016-04-21 20:24:40]

thakis@chromium.org changed reviewers:
+ hans@chromium.org

[hans, 2016-04-21 20:25:16]

lgtm

[Nico, 2016-04-21 20:26:00]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2016-04-21 20:26:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1904193002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1904193002/1

[Nico, 2016-04-21 20:42:17]

Description was changed from

==========
clang/win: Disable precompiled headers.

The protobuf3 roll triggered a compiler crash in the pch codepath.

BUG=605570
==========

to

==========
clang/win: Disable precompiled headers.

The protobuf3 roll triggered a compiler crash in the pch codepath.

BUG=605570
R=hans@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/589ef6b6a9d60b21d6c78b92887d...
==========

[Nico, 2016-04-21 20:42:18]

Committed patchset #1 (id:1) manually as
589ef6b6a9d60b21d6c78b92887de1b9d04b7e0f (presubmit successful).

[commit-bot: I haz the power, 2016-04-22 19:39:03]

Description was changed from

==========
clang/win: Disable precompiled headers.

The protobuf3 roll triggered a compiler crash in the pch codepath.

BUG=605570
R=hans@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/589ef6b6a9d60b21d6c78b92887d...
==========

to

==========
clang/win: Disable precompiled headers.

The protobuf3 roll triggered a compiler crash in the pch codepath.

BUG=605570
R=hans@chromium.org

Committed: https://crrev.com/589ef6b6a9d60b21d6c78b92887de1b9d04b7e0f
Cr-Commit-Position: refs/heads/master@{#388887}
==========

[commit-bot: I haz the power, 2016-04-22 19:39:04]

Patchset 1 (id:??) landed as
https://crrev.com/589ef6b6a9d60b21d6c78b92887de1b9d04b7e0f
Cr-Commit-Position: refs/heads/master@{#388887}

[Nico, 2016-04-22 19:41:09]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1914673002/ by thakis@chromium.org.

The reason for reverting is: rnk might have fixed this upstream, let's give it a
try :-).