Roll SwiftShader from 9b1a72a8d226 to 2e74d5dc03df (4 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/9b1a72a8d226..2e74d5dc03df

2022-01-18 capn@google.com Limit LLVM's getTargetShuffleInputs() recursion depth
2022-01-18 sugoi@google.com Fix robust OOB store accesses
2022-01-18 capn@google.com Use Ninja as CMake generator for Kokoro tests on Windows
2022-01-18 capn@google.com Remove unused dot operations and clarify FMA

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 bclayton@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: bclayton@google.com
Change-Id: I6d8a03ec293a274ab33672a746029333d20aed3d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/77100
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@9b1a72a8d2266960a0f036a39c644314c52877d3',
+    'url': '{swiftshader_git}/SwiftShader@2e74d5dc03dfbfab0821f9aac5d2b3ad317eab28',
     'condition': 'dawn_standalone',
   },