[clang] [clang][dataflow] Add parameters of other functions to `LambdaCaptured… (PR #170311)

[Yitzhak Mandelbaum via cfe-commits]

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@@ -154,6 +154,14 @@ struct ReferencedDecls {
   /// When analyzing a lambda's call operator, the set of all parameters (from
   /// the surrounding function) that the lambda captures. Captured local
   /// variables are already included in `Locals` above.
+  ///
+  /// This set also includes any referenced parameters of functions other than
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ymand wrote:

This wording feels general (and hence is a bit hard to parse). Could you be more specific, like

"of the surrounding function that introduces  the lambda whose body is targeted for visitation"

? Or, is there actually more general functionality here?

https://github.com/llvm/llvm-project/pull/170311