[clang] [Clang][analyzer] replace Stmt* with ConstCFGElementRef in SymbolConjured (PR #128251)

[Gábor Horváth via cfe-commits]

================
@@ -1515,7 +1515,8 @@ void CStringChecker::evalCopyCommon(CheckerContext &C, const CallEvent &Call,
       // conjure a return value for later.
       if (lastElement.isUnknown())
         lastElement = C.getSValBuilder().conjureSymbolVal(
-            nullptr, Call.getOriginExpr(), LCtx, C.blockCount());
+            nullptr, Call.getOriginExpr(), C.getCFGElementRef(), LCtx,
----------------
Xazax-hun wrote:

You can dump the CFGElementRef and the expr. We want to make sure they match, so there is no semantic change. That is one way to check if the code is correct. 

https://github.com/llvm/llvm-project/pull/128251