[clang] [Lifetime Safety] Distinguish attributed/inferred lifetimebound diagnostics (PR #220248)

[via cfe-commits]

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@@ -66,6 +66,12 @@ bool implicitObjectParamIsLifetimeBound(const FunctionDecl *FD);
 using LifetimeBoundParamInfo =
     llvm::PointerUnion<const ParmVarDecl *, const CXXMethodDecl *>;
 
+/// Describes why an argument is tracked as lifetimebound-like.
+struct LifetimeBoundArgInfo {
+  LifetimeBoundParamInfo Param;
+  bool IsInferred = false;
+};
+
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NeKon69 wrote:

Or, we could still have an alias but name it like ` LifetimeBoundParam` since it's used further in the code.

https://github.com/llvm/llvm-project/pull/220248