3 files changed, 12 insertions, 6 deletions

diff --git a/crates/hir_ty/Cargo.toml b/crates/hir_ty/Cargo.toml
index bc86df2b1..03215be44 100644
--- a/crates/hir_ty/Cargo.toml
+++ b/crates/hir_ty/Cargo.toml
@@ -17,9 +17,9 @@ ena = "0.14.0"
 log = "0.4.8"
 rustc-hash = "1.1.0"
 scoped-tls = "1"
-chalk-solve = { version = "0.27.0" }
-chalk-ir = { version = "0.27.0" }
-chalk-recursive = { version = "0.27.0" }
+chalk-solve = { version = "0.28.0" }
+chalk-ir = { version = "0.28.0" }
+chalk-recursive = { version = "0.28.0" }
 
 stdx = { path = "../stdx", version = "0.0.0" }
 hir_def = { path = "../hir_def", version = "0.0.0" }
diff --git a/crates/hir_ty/src/infer.rs b/crates/hir_ty/src/infer.rs
index 2b53b8297..9a7785c76 100644
--- a/crates/hir_ty/src/infer.rs
+++ b/crates/hir_ty/src/infer.rs
@@ -555,7 +555,7 @@ impl<'a> InferenceContext<'a> {
 
     fn resolve_lang_item(&self, name: &str) -> Option<LangItemTarget> {
         let krate = self.resolver.krate()?;
-        let name = SmolStr::new_inline_from_ascii(name.len(), name.as_bytes());
+        let name = SmolStr::new_inline(name);
         self.db.lang_item(krate, name)
     }
 
diff --git a/crates/hir_ty/src/traits/chalk.rs b/crates/hir_ty/src/traits/chalk.rs
index 27f0ed628..009b17a7f 100644
--- a/crates/hir_ty/src/traits/chalk.rs
+++ b/crates/hir_ty/src/traits/chalk.rs
@@ -129,8 +129,12 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
         debug!("impls_for_trait returned {} impls", result.len());
         result
     }
-    fn impl_provided_for(&self, auto_trait_id: TraitId, struct_id: AdtId) -> bool {
-        debug!("impl_provided_for {:?}, {:?}", auto_trait_id, struct_id);
+    fn impl_provided_for(
+        &self,
+        auto_trait_id: TraitId,
+        application_ty: &chalk_ir::ApplicationTy<Interner>,
+    ) -> bool {
+        debug!("impl_provided_for {:?}, {:?}", auto_trait_id, application_ty);
         false // FIXME
     }
     fn associated_ty_value(&self, id: AssociatedTyValueId) -> Arc<AssociatedTyValue> {
@@ -422,6 +426,7 @@ fn well_known_trait_from_lang_attr(name: &str) -> Option<WellKnownTrait> {
         "fn_mut" => WellKnownTrait::FnMut,
         "fn" => WellKnownTrait::Fn,
         "unsize" => WellKnownTrait::Unsize,
+        "coerce_unsized" => WellKnownTrait::CoerceUnsized,
         _ => return None,
     })
 }
@@ -437,6 +442,7 @@ fn lang_attr_from_well_known_trait(attr: WellKnownTrait) -> &'static str {
         WellKnownTrait::Fn => "fn",
         WellKnownTrait::Unsize => "unsize",
         WellKnownTrait::Unpin => "unpin",
+        WellKnownTrait::CoerceUnsized => "coerce_unsized",
     }
 }