llvm-project

5e2860a8 - Revert "[HLSL][RootSignature] Implement parsing of a DescriptorTable with empty clauses" (#133790)

Revert "[HLSL][RootSignature] Implement parsing of a DescriptorTable with empty clauses" (#133790) Reverts llvm/llvm-project#133302 Reverting to inspect build failures that were introduced from use of the `clang::Preprocessor` in unit testing, as well as, the warning about an unused declaration. See linked issue for failures.