The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6a6bf055c5b76e92201c13cb0c7f11ddb00247ba

commit 6a6bf055c5b76e92201c13cb0c7f11ddb00247ba
Author: Hans Wennborg <hans@chromium.org>
Date: Wed Aug 01 14:47:00 2018

Clang: the tip-of-tree version is now 8.0.0svn

It was bumped in LLVM r338537.

R=thakis,rnk

Bug:  869850 
Change-Id: Ida95943088bdf8921b5974e7e80a80e2739db01b
Reviewed-on: https://chromium-review.googlesource.com/1158580
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579800}
[modify] https://crrev.com/6a6bf055c5b76e92201c13cb0c7f11ddb00247ba/build/toolchain/toolchain.gni
[modify] https://crrev.com/6a6bf055c5b76e92201c13cb0c7f11ddb00247ba/tools/clang/scripts/update.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6482c2a065bc7ad07fa0ab7baa464a2cd8a28e58

commit 6482c2a065bc7ad07fa0ab7baa464a2cd8a28e58
Author: Hans Wennborg <hans@chromium.org>
Date: Mon Aug 06 14:55:29 2018

clang update.py: Remove old lib dir after version bump

Bug:  746975 ,  869850 
Change-Id: Ic8c2b3be2b20dd07494a25641dee2634322dad14
Reviewed-on: https://chromium-review.googlesource.com/1163662
Commit-Queue: Hans Wennborg <hans@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580867}
[modify] https://crrev.com/6482c2a065bc7ad07fa0ab7baa464a2cd8a28e58/tools/clang/scripts/update.py