[clang] [NFC][LifetimeSafety]: Track assignment history within a single CFGBlock (PR #196075)

[via cfe-commits]

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@@ -27,6 +27,13 @@ namespace clang::lifetimes::internal {
 
 using OriginID = utils::ID<struct OriginTag>;
 
+/// Represents all possible expressions or declarations that function
+/// as the Src/Dest Origin in a visible assignment.
+using DestOriginEntity =
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NeKon69 wrote:

Also why is it DestOriginEntity and not just DestEntity? I feel like that would make more sense. Also I would definitely reconsider "entity" for another word here.

https://github.com/llvm/llvm-project/pull/196075