[clang] [llvm] [Clang][AIX] Add -mloadtime-comment-vars flag to preserve identifying variables (PR #187986)

[Hubert Tong via cfe-commits]

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@@ -4193,6 +4194,15 @@ class Sema final : public SemaBase {
   /// FinalizeDeclaration - called by ParseDeclarationAfterDeclarator to perform
   /// any semantic actions necessary after any initializer has been attached.
   void FinalizeDeclaration(Decl *D);
+
+  /// Process a variable definition against '-mloadtime-comment-vars='.
+  /// Exposed for instantiated variable definitions, which do not pass
+  /// through FinalizeDeclaration.
+  void ProcessLoadTimeCommentVar(VarDecl *VD);
+  /// Lazily created mangler for '-mloadtime-comment-vars=' name matching. Only
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hubert-reinterpretcast wrote:

Minor nit: Insert blank line to separate the declarations (with their comments).
```suggestion
  void ProcessLoadTimeCommentVar(VarDecl *VD);

  /// Lazily created mangler for '-mloadtime-comment-vars=' name matching. Only
```

https://github.com/llvm/llvm-project/pull/187986