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//@ check-pass
// Check tautalogically false `Copy` bounds
#![feature(trivial_bounds)]
#![allow(dropping_references, dropping_copy_types)]
fn copy_string(t: String) -> String where String: Copy { //~ WARNING trivial_bounds
is_copy(&t);
let x = t;
drop(t);
t
}
fn copy_out_string(t: &String) -> String where String: Copy { //~ WARNING trivial_bounds
*t
}
fn copy_string_with_param<T>(x: String) where String: Copy { //~ WARNING trivial_bounds
let y = x;
let z = x;
}
// Check that no reborrowing occurs
fn copy_mut<'a>(t: &&'a mut i32) -> &'a mut i32 where for<'b> &'b mut i32: Copy {
//~^ WARNING trivial_bounds
is_copy(t);
let x = *t;
drop(x);
x
}
fn is_copy<T: Copy>(t: &T) {}
fn main() {}
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