[clang] [LifetimeSafety] Detect use of a reference type as a use of underlying origin (PR #184295)

[Utkarsh Saxena via cfe-commits]

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@@ -234,7 +234,7 @@ class GlobalEscapeFact : public OriginEscapesFact {
 
 class UseFact : public Fact {
   const Expr *UseExpr;
-  const OriginList *OList;
+  std::variant<const OriginList *, OriginID> Origins;
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usx95 wrote:

Can you please add a comment describing the scenarios here.

https://github.com/llvm/llvm-project/pull/184295