Unnamed repository; edit this file 'description' to name the repository.
Ignore `Destruct` bounds again
| -rw-r--r-- | crates/hir-ty/src/lower.rs | 9 | ||||
| -rw-r--r-- | crates/hir-ty/src/tests/regression.rs | 34 |
2 files changed, 41 insertions, 2 deletions
diff --git a/crates/hir-ty/src/lower.rs b/crates/hir-ty/src/lower.rs index f32b6af4d8..d61e7de667 100644 --- a/crates/hir-ty/src/lower.rs +++ b/crates/hir-ty/src/lower.rs @@ -590,9 +590,14 @@ impl<'a> TyLoweringContext<'a> { .resolve_trait(ctx.ty_ctx().db, ctx.ty_ctx().resolver.krate()); let pointee_sized = LangItem::PointeeSized .resolve_trait(ctx.ty_ctx().db, ctx.ty_ctx().resolver.krate()); - if meta_sized.is_some_and(|it| it == trait_ref.hir_trait_id()) { + let destruct = LangItem::Destruct + .resolve_trait(ctx.ty_ctx().db, ctx.ty_ctx().resolver.krate()); + let hir_trait_id = trait_ref.hir_trait_id(); + if meta_sized.is_some_and(|it| it == hir_trait_id) + || destruct.is_some_and(|it| it == hir_trait_id) + { // Ignore this bound - } else if pointee_sized.is_some_and(|it| it == trait_ref.hir_trait_id()) { + } else if pointee_sized.is_some_and(|it| it == hir_trait_id) { // Regard this as `?Sized` bound ctx.ty_ctx().unsized_types.insert(self_ty); } else { diff --git a/crates/hir-ty/src/tests/regression.rs b/crates/hir-ty/src/tests/regression.rs index 238753e12e..c4c17a93c9 100644 --- a/crates/hir-ty/src/tests/regression.rs +++ b/crates/hir-ty/src/tests/regression.rs @@ -2349,3 +2349,37 @@ fn test() { "#]], ); } + +#[test] +fn rust_destruct_option_clone() { + check_types( + r#" +//- minicore: option, drop +fn test(o: &Option<i32>) { + o.my_clone(); + //^^^^^^^^^^^^ Option<i32> +} +pub trait MyClone: Sized { + fn my_clone(&self) -> Self; +} +impl<T> const MyClone for Option<T> +where + T: ~const MyClone + ~const Destruct, +{ + fn my_clone(&self) -> Self { + match self { + Some(x) => Some(x.my_clone()), + None => None, + } + } +} +impl const MyClone for i32 { + fn my_clone(&self) -> Self { + *self + } +} +#[lang = "destruct"] +pub trait Destruct {} +"#, + ); +} |