Roll SwiftShader from bb66fa41a163 to c1839ee3cedd (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/bb66fa41a163..c1839ee3cedd

2020-10-26 [email protected] Apply google3 upstream fixes for latest LLVM

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 [email protected] 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: [email protected]
Change-Id: Ie8858cfcf21d20784532ddce6eca5324eb0cfe38
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/329843
Reviewed-by: skia-autoroll <[email protected]>
Commit-Queue: skia-autoroll <[email protected]>

Author: skia-autoroll

DEPS

@@ -40,7 +40,7 @@ deps = {
   "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@c0df742ec0b8178ad58c68cff3437ad4b6a06e26",
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@e95fbfb1f509ad7a7fdfb72ac35fe412d72fc4a4",
-  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@bb66fa41a1637488f77041c93797f84ecd2fc0d1",
+  "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@c1839ee3cedd9d8cd381e48448e6ca87b04eb740",
   #"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@00cc8a50aa0c86b6bcb37e9ece8fb100047cc17b",
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@eaf99a4e2009b0e5759e6070ad1760ac1dd75461",