[clang] [clang][analyzer] Fix a nullptr dereference when -ftime-trace is used (Reland) (PR #139980)

[Balazs Benics via cfe-commits]

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@@ -100,41 +100,7 @@ class SymbolConjured : public SymbolData {
   ConstCFGElementRef getCFGElementRef() const { return Elem; }
 
   // It might return null.
-  const Stmt *getStmt() const {
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steakhal wrote:

It must have been painful to iterate on this code :D
I agree, it should be in a cpp file.

https://github.com/llvm/llvm-project/pull/139980