Roll DirectX Shader Compiler from 1550b909ca20 to 7f80fbcb5be3 (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/1550b909ca20..7f80fbcb5be3

2025-09-09 damyanp@microsoft.com Rearrange LongVector Execution Tests infrastructure (#7739)

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: Ieca83b9e331549e3b4dc049041a64b3dee3e55dd
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/261295
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 793ae71..91852ad 100644
--- a/DEPS
+++ b/DEPS
@@ -349,7 +349,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@1550b909ca206ebafea9f0a453258d5c00a60d24',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@7f80fbcb5be3040e848e54db620d1c4c60dfce51',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 1550b90..7f80fbc 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 1550b909ca206ebafea9f0a453258d5c00a60d24
+Subproject commit 7f80fbcb5be3040e848e54db620d1c4c60dfce51