private:
/// SCEVCallbackVH - A CallbackVH to arrange for ScalarEvolution to be
/// notified whenever a Value is deleted.
- class SCEVCallbackVH : public CallbackVH {
+ class SCEVCallbackVH final : public CallbackVH {
ScalarEvolution *SE;
void deleted() override;
void allUsesReplacedWith(Value *New) override;