Roll SwiftShader from 518a9f63228d to ff4435d3f92d (2 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/518a9f63228d..ff4435d3f92d

2025-12-08 rsworktech@outlook.com Fix riscv64 build problem with LLVM 16
2025-12-08 swiftshader.regress@gmail.com Regres: Update test lists @ 518a9f63

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 gman@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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: gman@google.com
Change-Id: I1a27efd0815ef180c7256e89fa85be99e9028843
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/279315
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 0f5a426..2dd6984 100644
--- a/DEPS
+++ b/DEPS
@@ -295,7 +295,7 @@
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@518a9f63228dceb1c77d778f694bd319909075ab',
+    'url': '{swiftshader_git}/SwiftShader@ff4435d3f92dabbf65e210033ea178359ba7db0e',
     'condition': 'dawn_standalone',
   },
 
diff --git a/third_party/swiftshader b/third_party/swiftshader
index 518a9f6..ff4435d 160000
--- a/third_party/swiftshader
+++ b/third_party/swiftshader
@@ -1 +1 @@
-Subproject commit 518a9f63228dceb1c77d778f694bd319909075ab
+Subproject commit ff4435d3f92dabbf65e210033ea178359ba7db0e