[clang] [clang][Analysis] Add argument accessors to clang::AnyCall (PR #212934)

[via cfe-commits]

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@@ -162,6 +162,41 @@ class AnyCall {
   size_t param_size() const { return parameters().size(); }
   bool param_empty() const { return parameters().empty(); }
 
+  /// \returns actual arguments for expression-backed calls.
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iitianpushkar wrote:

Yes, good point. I will improve the comment here.

https://github.com/llvm/llvm-project/pull/212934