Roll SwiftShader from 5cb6a639d494 to ec31f547750c (3 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/5cb6a639d494..ec31f547750c

2022-06-23 sugoi@google.com Fix stale SPIRV_SHADER_DBG statements
2022-06-23 sugoi@google.com Fix warning on Linux
2022-06-22 swiftshader.regress@gmail.com Regres: Update test lists @ 5cb6a639

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-angle-autoroll
Please CC jonahr@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 ANGLE: https://bugs.chromium.org/p/angleproject/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: jonahr@google.com
Change-Id: I7b00e1fb33c1031fe69099c1ba3a83f1410c5d13
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3720480
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index a6472e3..4d96422 100644
--- a/DEPS
+++ b/DEPS
@@ -505,7 +505,7 @@
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@5cb6a639d49457b258f9777b9bc180d67e5b7e4e',
+    'url': '{swiftshader_git}/SwiftShader@ec31f547750c54989e7444849fc883e3d6b84beb',
     'condition': 'not build_with_chromium',
   },