blob: 2ce0b6b0df8f06423f4ba2d5a3b2e54f23606184 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Regression test for #79902
// Check that evaluation (which is used to determine whether to copy a type in
// MIR building) evaluates bounds from normalizing an impl after evaluating
// any bounds on the impl.
// check-pass
#![allow(dropping_copy_types)]
trait A {
type B;
}
trait M {}
struct G<T, U>(*const T, *const U);
impl<T, U> Clone for G<T, U> {
fn clone(&self) -> Self {
G { ..*self }
}
}
impl<T, U> Copy for G<T, U::B>
where
T: A<B = U>,
U: A,
{
}
impl A for () {
type B = ();
}
fn is_m<T: M>(_: T) {}
fn main() {
let x = G(&(), &());
drop(x);
drop(x);
}
|