19 lines
412 B
Rust
19 lines
412 B
Rust
// compile-flags: -Ztrait-solver=next
|
|
|
|
// Check that `<T::Assoc as DiscriminantKind>::Discriminant` doesn't normalize
|
|
// to itself and cause overflow/ambiguity.
|
|
|
|
trait Foo {
|
|
type Assoc;
|
|
}
|
|
|
|
trait Bar {}
|
|
fn needs_bar(_: impl Bar) {}
|
|
|
|
fn foo<T: Foo>(x: T::Assoc) {
|
|
needs_bar(std::mem::discriminant(&x));
|
|
//~^ ERROR the trait bound `Discriminant<<T as Foo>::Assoc>: Bar` is not satisfied
|
|
}
|
|
|
|
fn main() {}
|