[clang] [clang][analyzer] Model more getline/getdelim pre and postconditions (PR #83027)

[Alejandro Álvarez Ayllón via cfe-commits]

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@@ -510,6 +517,14 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
   ProgramStateRef ensureFseekWhenceCorrect(SVal WhenceVal, CheckerContext &C,
                                            ProgramStateRef State) const;
 
+  ProgramStateRef ensurePtrNotNull(SVal PtrVal, const Expr *PtrExpr,
+                                   CheckerContext &C, ProgramStateRef State,
+                                   const StringRef PtrDescr) const;
+  ProgramStateRef
+  ensureSizeZeroIfLineNull(SVal LinePtrPtrSVal, SVal SizePtrSVal,
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alejandro-alvarez-sonarsource wrote:

Renamed to `ensureGetdelimBufferAndSizeCorrect`

https://github.com/llvm/llvm-project/pull/83027