Roll third_party/externals/swiftshader 551478a9b8be..6a990f8b1a93 (3 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/551478a9b8be..6a990f8b1a93


git log 551478a9b8be..6a990f8b1a93 --date=short --no-merges --format='%ad %ae %s'
2018-07-06 capn@google.com Support MSAN with Subzero JIT compiled code.
2018-07-06 nicolas.capens@gmail.com Support 64-bit call targets.
2018-07-06 capn@google.com Harden against X11 instability.


Created with:
  gclient setdep -r third_party/externals/swiftshader@6a990f8b1a93

The AutoRoll server is located here: https://swiftshader-skia-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
TBR=ethannicholas@google.com

Change-Id: I3c8c1aadad73d99faa37f369692700dd5327d7f3
Reviewed-on: https://skia-review.googlesource.com/139502
Reviewed-by: swiftshader-skia-autoroll <swiftshader-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: swiftshader-skia-autoroll <swiftshader-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
1 file changed