[clang] [NFC][Clang][FMV] Refactor sema checking of target_version/clones attributes. (PR #149067)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,cpp -- clang/include/clang/Sema/Sema.h clang/include/clang/Sema/SemaARM.h clang/include/clang/Sema/SemaRISCV.h clang/include/clang/Sema/SemaX86.h clang/lib/Sema/SemaARM.cpp clang/lib/Sema/SemaDeclAttr.cpp clang/lib/Sema/SemaRISCV.cpp clang/lib/Sema/SemaX86.cpp clang/test/SemaCXX/attr-target-clones-riscv.cpp
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View the diff from clang-format here.
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diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index c4096f5d3..73eb730ca 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -836,9 +836,9 @@ enum class CCEKind {
 
 /// Enums for the diagnostics of target, target_version and target_clones.
 namespace DiagAttrParams {
-  enum DiagType { Unsupported, Duplicate, Unknown };
-  enum Specifier { None, CPU, Tune };
-  enum AttrName { Target, TargetClones, TargetVersion };
+enum DiagType { Unsupported, Duplicate, Unknown };
+enum Specifier { None, CPU, Tune };
+enum AttrName { Target, TargetClones, TargetVersion };
 } // end namespace DiagAttrParams
 
 void inferNoReturnAttr(Sema &S, const Decl *D);

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https://github.com/llvm/llvm-project/pull/149067