[clang] [clang][analyzer][NFC] Add a helper for conjuring symbols at call events (PR #137182)

[Balazs Benics via cfe-commits]

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@@ -209,6 +209,12 @@ class SValBuilder {
                                         const LocationContext *LCtx,
                                         QualType type,
                                         unsigned visitCount);
+  DefinedOrUnknownSVal conjureSymbolVal(const CallEvent &call, QualType type,
+                                        unsigned visitCount,
+                                        const void *symbolTag = nullptr);
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steakhal wrote:

Shouldn't the Call already have a type? Why do we need to pass it separately?

https://github.com/llvm/llvm-project/pull/137182