llvm

ad5322da - [NFC][Target] Fixed rule-of-three for RegisterTargetPassConfigCallback class (#193470)

[NFC][Target] Fixed rule-of-three for RegisterTargetPassConfigCallback class (#193470) - This PR fixes ```RegisterTargetPassConfigCallback``` classes default member functions as per rule of three (https://en.cppreference.com/cpp/language/rule_of_three)