[clang-tools-extra] [clang-tidy] Improve `bugprone-exception-escape`: add stacktrace of escaped exception (PR #134375)

[Piotr Zegar via cfe-commits]

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@@ -28,6 +29,12 @@ class ExceptionAnalyzer {
                  ///< definition.
   };
 
+  /// We use a SetVector to preserve the order of the functions in the call
+  /// stack as well as have fast lookup.
+  using CallStack = llvm::SetVector<const FunctionDecl *,
+                                    llvm::SmallVector<const FunctionDecl *, 32>,
+                                    llvm::DenseSet<const FunctionDecl *>, 32>;
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PiotrZSL wrote:

instead of pointing to FunctionDecl, better would be to point a place in those functions where next function is called if possible. 

https://github.com/llvm/llvm-project/pull/134375