[clang] [LifetimeSafety] Add support for lifetime capture_by (PR #196884)

[Utkarsh Saxena via cfe-commits]

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@@ -3284,3 +3284,76 @@ void assign_non_capturing_to_function_ref(function_ref &r) {
 }
 
 } // namespace GH126600
+
+//===----------------------------------------------------------------------===//
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usx95 wrote:

Can you also try to turn this on in `clang/test/Sema/warn-lifetime-analysis-capture-by.cpp`. We might need to add "uses" of pointer to trigger the warning.

https://github.com/llvm/llvm-project/pull/196884