Roll third_party/externals/swiftshader d25ce8725224..068611f07d28 (8 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/d25ce8725224..068611f07d28

git log d25ce8725224..068611f07d28 --date=short --first-parent --format='%ad %ae %s'
2020-04-17 capn@google.com Fix JIT on separate thread
2020-04-17 bclayton@google.com Use Thread Safety Analysis annotations throughout SwiftShader.
2020-04-17 digit@google.com CMakeLists: Fix Fuchsia build.
2020-04-17 bclayton@google.com Merge changes Ia8226c11,If413b9d6
2020-04-17 bclayton@google.com LLVMReactor: Drop codegenMutex, now thread safe.
2020-04-17 bclayton@google.com LLVMJIT: Remove the TargetMachine cache.
2020-04-17 bclayton@google.com LLVM 7: Set LLVM_ENABLE_THREADS to 1
2020-04-17 bclayton@google.com SpirvShader: Fix ASSERT firing in debugger

Created with:
  gclient setdep -r third_party/externals/swiftshader@068611f07d28

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 jcgregorio@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-Debian10-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: jcgregorio@google.com
Change-Id: I2d3043abc2ccb367181a5a30b017c6baaf53bbac
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/284429
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