Use direct VoidType definition on Return_ expr is null on ReturnedNod…

…esReturnTypeInfererTypeInferer (#4752)

rules/TypeDeclaration/TypeInferer/ReturnTypeInferer/ReturnedNodesReturnTypeInfererTypeInferer.php

@@ -65,7 +65,7 @@ public function inferFunctionLike(FunctionLike $functionLike): Type
         foreach ($localReturnNodes as $localReturnNode) {
             $returnedExprType = $localReturnNode->expr instanceof Expr
                 ? $this->nodeTypeResolver->getNativeType($localReturnNode->expr)
-                : $this->nodeTypeResolver->getType($localReturnNode);
+                : new VoidType();
             $returnedExprType = $this->correctWithNestedType($returnedExprType, $localReturnNode, $functionLike);
 
             $types[] = $this->splArrayFixedTypeNarrower->narrow($returnedExprType);