Roll third_party/externals/swiftshader f2637d0dd7eb..663dcefa22ea (3 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/f2637d0dd7eb..663dcefa22ea

git log f2637d0dd7eb..663dcefa22ea --date=short --first-parent --format='%ad %ae %s'
2019-11-26 bclayton@google.com Reactor: Work around new MSVC brokenness.
2019-11-26 swiftshader.regress@gmail.com Regres: Update test lists @ f2637d0d
2019-11-26 bclayton@google.com Merge changes I672a4d28,I4a74212f,I5c51e8aa,I323ea936

Created with:
  gclient setdep -r third_party/externals/swiftshader@663dcefa22ea

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-skia-autoroll
Please CC bungeman@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Cq-Include-Trybots: skia/skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: bungeman@google.com
Change-Id: I85d02a280dad620a3c8794495e2061d24557f1ef
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256922
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed