Roll DirectX Shader Compiler from 27b87b75937f to aa4d3746e09d (3 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/27b87b75937f..aa4d3746e09d

2024-04-04 brioche@google.com [SPIR-V] fix silent failure if disassembly fails (#6490)
2024-04-04 hekotas@microsoft.com Set supported validator version on DXC/disable_paq.hlsl (#6493)
2024-04-03 python3kgae@outlook.com [ClangCL] fix clang-cl build warning. (#6492)

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 bclayton@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: bclayton@google.com
Change-Id: Ie4d0d9f964d8c4db419edd5ea7efb6750382b2f0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/182323
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 67114ce..6503bdd 100644
--- a/DEPS
+++ b/DEPS
@@ -204,7 +204,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@27b87b75937f4d3fff0c486bc9bba6540c3bddb7',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@aa4d3746e09dfb22e68acb1f5adfdc5a50cb81f3',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 27b87b7..aa4d374 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 27b87b75937f4d3fff0c486bc9bba6540c3bddb7
+Subproject commit aa4d3746e09dfb22e68acb1f5adfdc5a50cb81f3