-// run-pass
+// check-pass
// Check tautalogically false `Copy` bounds
#![feature(trivial_bounds)]
-#![allow(unused)]
-fn copy_string(t: String) -> String where String: Copy {
+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 {
+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 {
+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);