Roll SwiftShader from 9559e5836cc1 to 72e6254a135d (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/9559e5836cc1..72e6254a135d

2021-06-15 capn@google.com Regres: Fix testing external contributions if reviewed by Googler

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 jmbetancourt@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/+doc/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Test-Debian10-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: jmbetancourt@google.com
Change-Id: If985138cc2dece89117d2d02821aeaadd424d5fe
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/418858
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index a1f5c43..16efcbf 100644
--- a/DEPS
+++ b/DEPS
@@ -39,7 +39,7 @@
   "third_party/externals/spirv-cross"     : "https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross@bdbef7b1f3982fe99a62d076043036abe6dd6d80",
   "third_party/externals/spirv-headers"   : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers.git@bcf55210f13a4fa3c3d0963b509ff1070e434c79",
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@dc72924cb31cd9f3dbc3eb47e9d926cf641e3a07",
-  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@9559e5836cc1d7f8b59fc5a9ecde7e75f6b9051f",
+  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@72e6254a135d50913e3955113c1a31561e22fb86",
   #"third_party/externals/v8"              : "https://chromium.googlesource.com/v8/v8.git@5f1ae66d5634e43563b2d25ea652dfb94c31a3b4",
   "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@f49c38202914c289621f547ff016e5f02c994dda",
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@c876c8f87101c5a75f6014b0f832499afeb65b73",