[clang] [clang][LifetimeSafety] Drop block-local origins at block exit (PR #213530)

[Gábor Horváth via cfe-commits]

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@@ -187,6 +190,8 @@ class DataflowAnalysis {
   }
 
 public:
+  Lattice exitBlock(Lattice In) { return In; }
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Xazax-hun wrote:

Done.

https://github.com/llvm/llvm-project/pull/213530