Roll DirectX Shader Compiler from 756125cb46ec to 15d086f6855c (1 revision)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/756125cb46ec..15d086f6855c

2023-08-15 cbieneman@microsoft.com Enable some tests on non-Windows (#5549)

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 bajones@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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: bajones@google.com
Change-Id: I39081aaa19abad345cb513af2701105d3045bdc0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/147140
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 8f38c34..25d50d1 100644
--- a/DEPS
+++ b/DEPS
@@ -179,7 +179,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@756125cb46ec03bbd49541c714082bb577ca0176',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@15d086f6855c6921662587c6f11acb98f91b68c7',
   },
   'third_party/dxheaders': {
     # The non-Windows build of DXC depends on DirectX-Headers, and at a specific commit (not ToT)
diff --git a/third_party/dxc b/third_party/dxc
index 756125c..15d086f 160000
--- a/third_party/dxc
+++ b/third_party/dxc
@@ -1 +1 @@
-Subproject commit 756125cb46ec03bbd49541c714082bb577ca0176
+Subproject commit 15d086f6855c6921662587c6f11acb98f91b68c7