Roll DirectX Shader Compiler from 1866977946e6 to e7346acd9d40 (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/1866977946e6..e7346acd9d40

2026-01-22 texr@microsoft.com Fix dxc version printing and fix external validator testing (#8075)

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 cwallez@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: cwallez@google.com
Change-Id: I76680eba223ac3e2b38cc5b5af79ba2973f7f4b6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/286555
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 3c7d28e..a616b0e 100644
--- a/DEPS
+++ b/DEPS
@@ -370,7 +370,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@1866977946e62da49d0b69c9d39585b0740db90b',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@e7346acd9d4000035d8383c713ee966a5abdd7cb',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 1866977..e7346ac 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 1866977946e62da49d0b69c9d39585b0740db90b
+Subproject commit e7346acd9d4000035d8383c713ee966a5abdd7cb