Roll DirectX Shader Compiler from 39f1dc165ca3 to dbcbac93c8f3 (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/39f1dc165ca3..dbcbac93c8f3

2025-08-21 spall@planetbauer.com IsSpecialFloat 16 bit implementation for isinf, isnan, and isfinite (#7700)

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: Ibc26ce20b39d53f40cc499a60075b99e9f8886b8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/258534
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 397dfb9..2a9028a 100644
--- a/DEPS
+++ b/DEPS
@@ -341,7 +341,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@39f1dc165ca38e7548d74eaad88d5ee47f1de5a6',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@dbcbac93c8f33b623b26c930d969d950a00c0ed8',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 39f1dc1..dbcbac9 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 39f1dc165ca38e7548d74eaad88d5ee47f1de5a6
+Subproject commit dbcbac93c8f33b623b26c930d969d950a00c0ed8