Roll SwiftShader from 8941bdeeafac to b4a56a893496 (2 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/8941bdeeafac..b4a56a893496

2022-02-17 sergeyu@google.com [Fuchsia] Stop ignoring warnings in llvm-10.0
2022-02-17 capn@google.com Make shader inputs/outputs only statically indexable

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

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

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/main/autoroll/README.md

Bug: None
Tbr: kainino@google.com
Change-Id: I8ee34803d5cc8893e68d3cde354e4a833be72db7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/81120
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -133,7 +133,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@8941bdeeafac3d1c04f116097e82fd16d6cd383a',
+    'url': '{swiftshader_git}/SwiftShader@b4a56a893496cbd3fa50580a30989a90226cf978',
     'condition': 'dawn_standalone',
   },