Roll SwiftShader from 3ecab9c1aa60 to e621934caf42 (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/3ecab9c1aa60..e621934caf42

2023-04-06 jif@google.com Add configs/darwin for LLVM 16

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,webgpu-developers@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: Id158e1947c4315ad9d5fa5d85efd1fcab257ae24
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/126640
Kokoro: Kokoro <noreply+kokoro@google.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -137,7 +137,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@3ecab9c1aa60d548d8efeae3a231f4df7cca6cc7',
+    'url': '{swiftshader_git}/SwiftShader@e621934caf42fa5e4c830692a9b6f6445cc75c3a',
     'condition': 'dawn_standalone',
   },