333 struct ContextKey {  struct
335   virtual ~ContextKey() = default;  argument
342   virtual bool isEqual(const ContextKey *K) const {  in isEqual()  argument
350   ContextKey(ContextKind K) : Kind(K){};  in ContextKey()  function
354 struct StringBasedCtxKey : public ContextKey {
358   StringBasedCtxKey() : ContextKey(CK_StringBased), WasLeafInlined(false){};  in StringBasedCtxKey()
359   static bool classof(const ContextKey *K) {  in classof()
363   bool isEqual(const ContextKey *K) const override {  in isEqual()
374 struct AddrBasedCtxKey : public ContextKey {
378   AddrBasedCtxKey() : ContextKey(CK_AddrBased), WasLeafInlined(false){};  in AddrBasedCtxKey()
379   static bool classof(const ContextKey *K) {  in classof()
383   bool isEqual(const ContextKey *K) const override {  in isEqual()
415     std::unordered_map<Hashable<ContextKey>, SampleCounter,
416                        Hashable<ContextKey>::Hash, Hashable<ContextKey>::Equal>;