[clang] [llvm] [HLSL] Update Frontend to support version 1.2 of root signature (PR #160616)

[Justin Bogner via llvm-commits]

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@@ -3,7 +3,7 @@
 // Test to demonstrate extracting the root signature to the specified
 // output file with /Frs.
 
-// CHECK: "{{.*}}llvm-objcopy{{(.exe)?}}" "{{.*}}.obj" "{{.*}}.dxo" "--extract-section=RTS0={{.*}}.rs.dxo"
+// CHECK: "{{.*}}/llvm-objcopy{{(.exe)?}}" "{{.*}}.obj" "{{.*}}.{{(dxo|obj)}}" "--extract-section=RTS0={{.*}}.rs.dxo"
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bogner wrote:

Why is this change needed? I didn't see anything that would change the file type of the objcopy in this PR

https://github.com/llvm/llvm-project/pull/160616