Roll SwiftShader from 60bf67d9716d to 4e40d502c440 (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/60bf67d9716d..4e40d502c440

2023-09-11 dneto@google.com Avoid "var set but not used" warnings in math tests

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,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: bclayton@google.com
Change-Id: I678f6673481f5c7906ad25879620e090ef6ed8c1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/150960
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/DEPS b/DEPS
index 38c4795..3f3e098 100644
--- a/DEPS
+++ b/DEPS
@@ -159,7 +159,7 @@
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@60bf67d9716da07ae5e4c3e929a8a05fc0df989c',
+    'url': '{swiftshader_git}/SwiftShader@4e40d502c440cc59b25fa3a5fee0eadbab7442aa',
     'condition': 'dawn_standalone',
   },
 
diff --git a/third_party/swiftshader b/third_party/swiftshader
index 60bf67d..4e40d50 160000
--- a/third_party/swiftshader
+++ b/third_party/swiftshader
@@ -1 +1 @@
-Subproject commit 60bf67d9716da07ae5e4c3e929a8a05fc0df989c
+Subproject commit 4e40d502c440cc59b25fa3a5fee0eadbab7442aa