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

[via cfe-commits]

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@@ -54,14 +54,24 @@ inline bool IsLifetimeSafetyEnabled(Sema &S, const Decl *D) {
   return false;
 }
 
+inline StringRef formatExpr(const Expr *E) {
+  const Expr *PureExpr = E->IgnoreImpCasts();
+  if (const DeclRefExpr *DRExpr = dyn_cast<DeclRefExpr>(PureExpr))
+    return DRExpr->getDecl()->getName();
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NeKon69 wrote:

Just a quick note: I recently found out that you can pass to diagnostics `DRExpr->getDecl()` directly. That will also add quotes to the variable names!

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