raii/ctor-autogen.cfa:102:1 error: Unique best alternative includes deleted identifier in Generated Cast of: Application of Deleted Expression Variable Expression: ?{}: static inline function ... with parameters reference to instance of struct Managed with body signed int ... returning nothing ... deleted by: ?{}: function ... with parameters reference to instance of struct Managed with body ... returning nothing with body Compound Statement: Expression Statement: Application of Variable Expression: ?=?: function ... with parameters reference to signed int signed int ... returning signed int ... to arguments Generated Cast of: Member Expression, with field: x: signed int ... from aggregate: Generated Cast of: Variable Expression: m: reference to instance of struct Managed with body ... to: instance of struct Managed with body ... to: reference to signed int Generated Cast of: Constant Expression (0: zero_t) ... to: signed int ... with environment: Types: Non-types: ... to arguments Generated Cast of: Variable Expression: x: instance of struct Managed with body ... to: reference to instance of struct Managed with body Constant Expression (123: signed int) ... to: nothing