Roll DirectX Shader Compiler from 67c9849bc44e to cf912b3e24fb (2 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/67c9849bc44e..cf912b3e24fb

2025-11-18 46545106+billkris-ms@users.noreply.github.com UnitTests: Update HlslTestUtils.h include path in LongVectors.cpp (#7923)
2025-11-18 cbieneman@microsoft.com [NFC] Fix build issues with newer libcxx (#7926)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/directx-shader-compiler-dawn
Please CC bajones@google.com,webgpu-developers@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in DirectX Shader Compiler: https://github.com/microsoft/DirectXShaderCompiler/issues/new/choose
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: bajones@google.com
Change-Id: I68cf4907a357a7eed8bd3dcfc7f70cd75073ff6d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/274995
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 7f88511..5498902 100644
--- a/DEPS
+++ b/DEPS
@@ -357,7 +357,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@67c9849bc44ecbdc8dce02a97d21a7ec0472ef33',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@cf912b3e24fb5d0f7a9e6456d08c24e7b053f35d',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 67c9849..cf912b3 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 67c9849bc44ecbdc8dce02a97d21a7ec0472ef33
+Subproject commit cf912b3e24fb5d0f7a9e6456d08c24e7b053f35d