23 lines
370 B
Rust
23 lines
370 B
Rust
|
// compile-flags: -Ztrait-solver=next
|
||
|
// check-pass
|
||
|
|
||
|
// Checks that we don't explode when we assemble >1 candidate for a goal.
|
||
|
|
||
|
struct Wrapper<T>(T);
|
||
|
|
||
|
trait Foo {}
|
||
|
|
||
|
impl Foo for Wrapper<i32> {}
|
||
|
|
||
|
impl Foo for Wrapper<()> {}
|
||
|
|
||
|
fn needs_foo(_: impl Foo) {}
|
||
|
|
||
|
fn main() {
|
||
|
let mut x = Default::default();
|
||
|
let w = Wrapper(x);
|
||
|
needs_foo(w);
|
||
|
x = 1;
|
||
|
drop(x);
|
||
|
}
|