Re: [cfe-users] Unexpected (IMO) constant-conversion warning

Yeah, the problem is that '~a' is an expression of type 'int' due to something called "the usual arithmetic conversions" - basically in almost any arithmetic expression in C++, all the smaller int types get promoted up to int (this is oversimplifying a bit - but sufficient here - if you look up tha

[cfe-users] Unexpected (IMO) constant-conversion warning

Hello, consider following code: https://godbolt.org/g/UN8xTy I do not understand, why overflow warning is here, there is no explicite int in this code. When removing constexpr, warning disappears, when changing to: static constexpr uint8_t b = uint8_t{~a}; warning