================
@@ -645,6 +645,7 @@ struct StreamOperationEvaluator {
SymbolRef StreamSym = nullptr;
const StreamState *SS = nullptr;
const CallExpr *CE = nullptr;
+ std::optional<CFGBlock::ConstCFGElementRef> ElemRef;
----------------
fangyi-zhou wrote:
I'm not entirely sure whether I get your point correctly. This value needs to
be stored when `Init` is called, and used in other calls (e.g.
`bindReturnValue`). The reason why this is declared as an optional is that
there is no default constructor for `ConstCFGElementRef`, so I used an optional
to give an absent value (I guess it could have been a pointer like other ones)
https://github.com/llvm/llvm-project/pull/128251
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