Roll third_party/externals/swiftshader da659b374113..4d40271e3f09 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/da659b374113..4d40271e3f09

git log da659b374113..4d40271e3f09 --date=short --first-parent --format='%ad %ae %s'
2020-02-26 amaiorano@google.com Subzero: add support for large stacks on Windows
2020-02-26 capn@google.com Build with -Bsymbolic to prevent symbol preemption

Created with:
  gclient setdep -r third_party/externals/swiftshader@4d40271e3f09

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 jlavrova@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: jlavrova@google.com
Change-Id: I1bfba7e35c529bd617408dd91635b6e2fda079df
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273627
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