[clang] [LifetimeSafety] Introduce buildOriginFlowChain for use-after-scope (PR #199345)

[Utkarsh Saxena via cfe-commits]

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@@ -1239,13 +1270,15 @@ void parentheses(bool cond) {
   MyObj* p;
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usx95 wrote:

Thanks. Can you please add this back to the test.

https://github.com/llvm/llvm-project/pull/199345