2 // https://github.com/rust-lang/rust/issues/67945#issuecomment-572617285
5 #![cfg_attr(full, feature(generic_const_exprs))]
6 #![cfg_attr(full, allow(incomplete_features))]
8 struct Bug<S> { //[min]~ ERROR: parameter `S` is never used
9 A: [(); { //[full]~ ERROR: overly complex generic constant
10 let x: Option<Box<S>> = None;
11 //[min]~^ ERROR: generic parameters may not be used in const operations