[Clang] Recover missing changes from 9c760ca

Author: jsji

clang/test/CodeGenCXX/typeinfo

@@ -10,6 +10,14 @@ namespace std {
     bool operator!=(const type_info& __arg) const {
       return !operator==(__arg);
     }
+
+    bool before(const type_info& __arg) const {
+      return __name < __arg.__name;
+    }
+
+    unsigned long hash_code() const {
+      return reinterpret_cast<unsigned long long>(__name);
+    }
   protected:
     const char *__name;
   };