Roll SwiftShader from 103a69bd6c82 to b5af7cabd5ea (2 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/103a69bd6c82..b5af7cabd5ea

2022-04-19 ayzhao@google.com Backport fix for C++23 incompatibility in llvm
2022-04-19 capn@google.com Delete the legacy OpenGL ES implementation's source code

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 shrekshao@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: shrekshao@google.com
Change-Id: I66037c22a2868b0895212aa0a73d5356ebaad52f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87340
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -132,7 +132,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@103a69bd6c82980c967c2f4002c9a302ea67c716',
+    'url': '{swiftshader_git}/SwiftShader@b5af7cabd5ea5018fc0806a8df39dac3a9036c66',
     'condition': 'dawn_standalone',
   },