rust/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.rs
2024-06-05 22:25:42 +01:00

18 lines
822 B
Rust

// Regression test for ICE #122989
trait Foo<const N: Bar<2>> {
//~^ WARN trait objects without an explicit `dyn` are deprecated
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
//~| ERROR cycle detected when computing type of `Foo::N`
//~| ERROR the trait `Foo` cannot be made into an object
//~| ERROR `(dyn Bar<2> + 'static)` is forbidden as the type of a const generic parameter
fn func() {}
}
trait Bar<const M: Foo<2>> {}
//~^ WARN trait objects without an explicit `dyn` are deprecated
//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
//~| ERROR the trait `Foo` cannot be made into an object
//~| ERROR `(dyn Foo<2> + 'static)` is forbidden as the type of a const generic parameter
fn main() {}