Roll DirectX Shader Compiler from 2fae54abe6b7 to ad4dc46888a7 (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/2fae54abe6b7..ad4dc46888a7

2024-01-31 cbeckley@google.com [SPIR-V] Allow `using` and `using namespace` declarations (#6229)

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 alanbaker@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: alanbaker@google.com
Change-Id: Ia2cb3ec942b5f914d09061a6bc7c5ca1010dbfc6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/172327
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 4967d4d..6f42a0c 100644
--- a/DEPS
+++ b/DEPS
@@ -197,7 +197,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@2fae54abe6b76869508e0f49e6cb9a8580f712d7',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@ad4dc46888a790db60b0e4c14b9cab945fd06b5e',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 2fae54a..ad4dc46 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 2fae54abe6b76869508e0f49e6cb9a8580f712d7
+Subproject commit ad4dc46888a790db60b0e4c14b9cab945fd06b5e