issue-51279.rs

pub struct X<#[cfg(none)] 'a, #[cfg(none)] T>(&'a T);
//~^ ERROR #[cfg] cannot be applied on a generic parameter
//~^^ ERROR #[cfg] cannot be applied on a generic parameter

impl<#[cfg(none)] 'a, #[cfg(none)] T> X<'a, T> {}
//~^ ERROR #[cfg] cannot be applied on a generic parameter
//~^^ ERROR #[cfg] cannot be applied on a generic parameter

pub fn f<#[cfg(none)] 'a, #[cfg(none)] T>(_: &'a T) {}
//~^ ERROR #[cfg] cannot be applied on a generic parameter
//~^^ ERROR #[cfg] cannot be applied on a generic parameter

#[cfg(none)]
pub struct Y<#[cfg(none)] T>(T); // shouldn't care when the entire item is stripped out

struct M<T>(*const T);

impl<#[cfg_attr(none, may_dangle)] T> Drop for M<T> {
    //~^ ERROR #[cfg_attr] cannot be applied on a generic parameter
    fn drop(&mut self) {}
}

type Z<#[ignored] 'a, #[cfg(none)] T> = X<'a, T>;
//~^ ERROR #[cfg] cannot be applied on a generic parameter
//~| ERROR attribute `ignored` is currently unknown to the compiler

fn main() {}