Roll DirectX Shader Compiler from ba0705ecb1fe to c997ea02605d (5 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/ba0705ecb1fe..c997ea02605d

2024-02-08 stevenperron@google.com [SPIRV] Allows variable vertex index for GetAttributeAtVertex (#6261)
2024-02-08 stevenperron@google.com [SPIR-V] Process array subscript individually (#6255)
2024-02-08 sudonatalie@google.com [SPIR-V] Apply nointerpolation to mesh output (#6260)
2024-02-08 python3kgae@outlook.com [SM68] Add AST test for [Empty]NodeOutputArray types (#6245)
2024-02-08 brioche@google.com [SPIR-V] Add fspv-enable-maximal-reconvergence opt (#6248)

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 rharrison@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: rharrison@google.com
Change-Id: I8656170515f378e3ed2f7be1807b31afe2d6bee5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/173666
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 704446f..87684e5 100644
--- a/DEPS
+++ b/DEPS
@@ -197,7 +197,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@ba0705ecb1fec96225abd53ccee8425e771e6f16',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@c997ea02605d2bc30176cfab14fa205ece2f5af9',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index ba0705e..c997ea0 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit ba0705ecb1fec96225abd53ccee8425e771e6f16
+Subproject commit c997ea02605d2bc30176cfab14fa205ece2f5af9