Roll DirectX Shader Compiler from b78ac5059324 to b4baabb7da9e (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/b78ac5059324..b4baabb7da9e

2025-06-20 5620315+alsepkow@users.noreply.github.com [NFC] Address compiler warnings: Fix C4146 compiler warnings in APInt.cpp (#7556)

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 senorblanco@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: senorblanco@google.com
Change-Id: I63724c187a5fde58188ffab4bc9f8e53dca9bd92
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/247798
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 c573a4c..7d3a6f1 100644
--- a/DEPS
+++ b/DEPS
@@ -341,7 +341,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@b78ac50593248bbbf04ba51cb48c3e1f94b416c6',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@b4baabb7da9e483b624e12a86ae29df7d162d4f2',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index b78ac50..b4baabb 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit b78ac50593248bbbf04ba51cb48c3e1f94b416c6
+Subproject commit b4baabb7da9e483b624e12a86ae29df7d162d4f2