[depr.atomics.volatile] (original) (raw)

If an atomic ([atomics.types.generic]) specialization has one of the following overloads, then that overload participates in overload resolution even if atomic<T>​::​is_always_lock_free is false:void store(T desired, memory_order order = memory_order::seq_cst) volatile noexcept; T operator=(T desired) volatile noexcept; T load(memory_order order = memory_order::seq_cst) const volatile noexcept;operator T() const volatile noexcept; T exchange(T desired, memory_order order = memory_order::seq_cst) volatile noexcept;bool compare_exchange_weak(T& expected, T desired, memory_order success, memory_order failure) volatile noexcept;bool compare_exchange_strong(T& expected, T desired, memory_order success, memory_order failure) volatile noexcept;bool compare_exchange_weak(T& expected, T desired, memory_order order = memory_order::seq_cst) volatile noexcept;bool compare_exchange_strong(T& expected, T desired, memory_order order = memory_order::seq_cst) volatile noexcept; T fetch_ key(T operand, memory_order order = memory_order::seq_cst) volatile noexcept; T operator _op_=(T operand) volatile noexcept; T* fetch_ key(ptrdiff_t operand, memory_order order = memory_order::seq_cst) volatile noexcept;