Roll third_party/externals/swiftshader 4b74373..493fc54 (2 commits)

https://swiftshader.googlesource.com/SwiftShader/+log/4b74373..493fc54


git log 4b74373..493fc54 --date=short --no-merges --format='%ad %ae %s'
2018-05-29 capn@google.com Fix loop unrolling.
2018-05-29 capn@google.com Also copy shader info log on success.

Created with:
  gclient setdep -r third_party/externals/swiftshader@493fc54

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=rmistry@google.com

Change-Id: Ic0c89abb3e8e1c22b1dddc6933b3470b97aaaf41
Reviewed-on: https://skia-review.googlesource.com/130867
Commit-Queue: swiftshader-skia-autoroll <swiftshader-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: swiftshader-skia-autoroll <swiftshader-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
1 file changed