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// A regression test for #111729 checking that we correctly
// track recursion depth for obligations returned by confirmation.
use std::panic::RefUnwindSafe;
trait Database {
type Storage;
}
trait Query<DB> {
type Data;
}
struct ParseQuery;
struct RootDatabase {
_runtime: Runtime<RootDatabase>,
}
impl<T: RefUnwindSafe> Database for T {
type Storage = SalsaStorage;
}
impl Database for RootDatabase {
//~^ ERROR conflicting implementations of trait `Database` for type `RootDatabase`
type Storage = SalsaStorage;
}
struct Runtime<DB: Database> {
_storage: Box<DB::Storage>,
}
struct SalsaStorage {
_parse: <ParseQuery as Query<RootDatabase>>::Data,
}
impl<DB: Database> Query<DB> for ParseQuery {
type Data = RootDatabase;
}
fn main() {}
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