Roll DirectX Shader Compiler from c2992285992d to 75ff50caa046 (4 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/c2992285992d..75ff50caa046

2024-09-26 stevenperron@google.com [SPIRV] More test fixes (#6937)
2024-09-26 stevenperron@google.com [SPIRV] Update submodules (#6936)
2024-09-26 53908460+SteveUrquhart@users.noreply.github.com [SPIRV] Fix NonSemanticDebugInfo to include all files (#6935)
2024-09-26 stevenperron@google.com [SPIRV] Change "dxc" to "%dxc" in tests (#6934)

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 jrprice@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: jrprice@google.com
Change-Id: Iff212b241bb6014166c07da2b94341d61c0326d6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/208164
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 fcc0854..f8c73cb 100644
--- a/DEPS
+++ b/DEPS
@@ -338,7 +338,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@c2992285992d6976306df4681aa5c932b2f71bc7',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@75ff50caa046a054747ae15b5c1910a4c8aa1917',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index c299228..75ff50c 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit c2992285992d6976306df4681aa5c932b2f71bc7
+Subproject commit 75ff50caa046a054747ae15b5c1910a4c8aa1917