[clang] Check whether EvaluatedStmt::Value is valid in VarDecl::hasInit (PR #94515)

[Matheus Izvekov via cfe-commits]

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@@ -2402,10 +2405,9 @@ Expr *VarDecl::getInit() {
 
   auto *Eval = getEvaluatedStmt();
 
-  return cast_if_present<Expr>(
-      Eval->Value.isOffset()
-          ? Eval->Value.get(getASTContext().getExternalSource())
-          : Eval->Value.get(nullptr));
+  return cast<Expr>(Eval->Value.isOffset()
+                        ? Eval->Value.get(getASTContext().getExternalSource())
+                        : Eval->Value.get(nullptr));
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mizvekov wrote:

Small nit: It seems this could move the conditional into the argument for `Eval->Value.get`.

https://github.com/llvm/llvm-project/pull/94515