[clang] [LifetimeSafety] Add support for `new`/`delete` (PR #192504)

[Utkarsh Saxena via cfe-commits]

================
@@ -195,33 +221,33 @@ class LifetimeChecker {
     /// Get loans directly pointing to the invalidated container
     LoanSet DirectlyInvalidatedLoans =
         LoanPropagation.getLoans(InvalidatedOrigin, IOF);
-    auto IsInvalidated = [&](const Loan *L) {
+    auto IsInvalidated = [&](const LoanID &LID) {
       for (LoanID InvalidID : DirectlyInvalidatedLoans) {
         const Loan *InvalidL = FactMgr.getLoanMgr().getLoan(InvalidID);
+        const Loan *L = FactMgr.getLoanMgr().getLoan(LID);
+
         if (InvalidL->getAccessPath() == L->getAccessPath())
           return true;
       }
       return false;
     };
     // For each live origin, check if it holds an invalidated loan and report.
     LivenessMap Origins = LiveOrigins.getLiveOriginsAt(IOF);
-    for (auto &[OID, LiveInfo] : Origins) {
-      LoanSet HeldLoans = LoanPropagation.getLoans(OID, IOF);
-      for (LoanID LiveLoanID : HeldLoans)
-        if (IsInvalidated(FactMgr.getLoanMgr().getLoan(LiveLoanID))) {
-          bool CurDomination = causingFactDominatesExpiry(LiveInfo.Kind);
-          bool LastDomination =
-              FinalWarningsMap.lookup(LiveLoanID).CausingFactDominatesExpiry;
-          if (!LastDomination) {
-            FinalWarningsMap[LiveLoanID] = {
-                /*ExpiryLoc=*/{},
-                /*CausingFact=*/LiveInfo.CausingFact,
-                /*MovedExpr=*/nullptr,
-                /*InvalidatedByExpr=*/IOF->getInvalidationExpr(),
-                /*CausingFactDominatesExpiry=*/CurDomination};
-          }
-        }
-    }
+    recordWarningsForMatchingLoans(IOF->getInvalidationExpr(), IOF,
+                                   IsInvalidated);
+  }
+
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usx95 wrote:

Please document this function.

https://github.com/llvm/llvm-project/pull/192504