diff options
| -rw-r--r-- | compiler/rustc_trait_selection/src/solve/project_goals.rs | 4 | ||||
| -rw-r--r-- | tests/ui/traits/new-solver/pointee.rs | 18 |
2 files changed, 9 insertions, 13 deletions
diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index c7ff3a3b0ed..ca9f6055ee0 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -346,10 +346,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { LangItem::Sized, [ty::GenericArg::from(goal.predicate.self_ty())], )); - ecx.add_goal(goal.with(tcx, sized_predicate)); - ecx.eq(goal.param_env, goal.predicate.term, tcx.types.unit.into())?; - return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes); + tcx.types.unit } ty::Adt(def, substs) if def.is_struct() => { diff --git a/tests/ui/traits/new-solver/pointee.rs b/tests/ui/traits/new-solver/pointee.rs index fa6ee2e2daf..93c0542ace4 100644 --- a/tests/ui/traits/new-solver/pointee.rs +++ b/tests/ui/traits/new-solver/pointee.rs @@ -7,17 +7,15 @@ use std::ptr::{DynMetadata, Pointee}; trait Trait<U> {} struct MyDst<T: ?Sized>(T); -fn works<T>() { - let _: <T as Pointee>::Metadata = (); - let _: <[T] as Pointee>::Metadata = 1_usize; - let _: <str as Pointee>::Metadata = 1_usize; - let _: <dyn Trait<T> as Pointee>::Metadata = give::<DynMetadata<dyn Trait<T>>>(); - let _: <MyDst<T> as Pointee>::Metadata = (); - let _: <((((([u8],),),),),) as Pointee>::Metadata = 1_usize; -} +fn meta_is<T: Pointee<Metadata = U> + ?Sized, U>() {} -fn give<U>() -> U { - loop {} +fn works<T>() { + meta_is::<T, ()>(); + meta_is::<[T], usize>(); + meta_is::<str, usize>(); + meta_is::<dyn Trait<T>, DynMetadata<dyn Trait<T>>>(); + meta_is::<MyDst<T>, ()>(); + meta_is::<((((([u8],),),),),), usize>(); } fn main() {} |