Roll DirectX Shader Compiler from 136f994a2f74 to ec5b8aaba3af (3 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/136f994a2f74..ec5b8aaba3af

2024-03-06 sudonatalie@google.com [SPIR-V] Disallow variable offsets in texture Load (#6389)
2024-03-06 sudonatalie@google.com [SPIR-V] Set layout rule when decomposing struct (#6391)
2024-03-06 sudonatalie@google.com [SPIR-V] Evaluate void return expressions (#6388)

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: I8a771b7c34702e54d55420c359517019862e7042
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/178120
Kokoro: Kokoro <noreply+kokoro@google.com>
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 c799947..a2bb7fb 100644
--- a/DEPS
+++ b/DEPS
@@ -204,7 +204,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@136f994a2f7448200aa21e1222d96ca6c11073aa',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@ec5b8aaba3af101db5107fc03cb2a60e3f2e8f91',
   },
 
   'third_party/dxheaders': {
diff --git a/third_party/dxc b/third_party/dxc
index 136f994..ec5b8aa 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 136f994a2f7448200aa21e1222d96ca6c11073aa
+Subproject commit ec5b8aaba3af101db5107fc03cb2a60e3f2e8f91