[clang] [LifetimeSafety] Detect use-after-return (PR #165370)

[Kashika Akhouri via cfe-commits]

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@@ -53,6 +53,16 @@ struct Lattice {
   }
 };
 
+static SourceLocation GetFactLoc(const Fact &F) {
+  if (const auto *UF = F.getAs<UseFact>()) {
+    return UF->getUseExpr()->getExprLoc();
+  }
+  if (const auto *OEF = F.getAs<OriginEscapesFact>()) {
+    return OEF->getEscapeExpr()->getExprLoc();
+  }
+  return SourceLocation(); // Invalid SourceLocation
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kashika0112 wrote:

Done

https://github.com/llvm/llvm-project/pull/165370