2 files changed, 12 insertions, 6 deletions

diff --git a/crates/hir_ty/src/infer/expr.rs b/crates/hir_ty/src/infer/expr.rs
index 2cdce2cef..f2fc69b2f 100644
--- a/crates/hir_ty/src/infer/expr.rs
+++ b/crates/hir_ty/src/infer/expr.rs
@@ -143,7 +143,7 @@ impl<'a> InferenceContext<'a> {
                     self.breakables.push(BreakableContext {
                         may_break: false,
                         break_ty: break_ty.clone(),
-                        label: label.clone(),
+                        label: label.map(|label| self.body[label].name.clone()),
                     });
                     let ty = self.infer_block(statements, *tail, &Expectation::has_type(break_ty));
                     let ctxt = self.breakables.pop().expect("breakable stack broken");
@@ -155,7 +155,7 @@ impl<'a> InferenceContext<'a> {
                 }
                 None => self.infer_block(statements, *tail, expected),
             },
-            Expr::Unsafe { body } => self.infer_expr(*body, expected),
+            Expr::Unsafe { body } | Expr::Const { body } => self.infer_expr(*body, expected),
             Expr::TryBlock { body } => {
                 let _inner = self.infer_expr(*body, expected);
                 // FIXME should be std::result::Result<{inner}, _>
@@ -172,7 +172,7 @@ impl<'a> InferenceContext<'a> {
                 self.breakables.push(BreakableContext {
                     may_break: false,
                     break_ty: self.table.new_type_var(),
-                    label: label.clone(),
+                    label: label.map(|label| self.body[label].name.clone()),
                 });
                 self.infer_expr(*body, &Expectation::has_type(Ty::unit()));
 
@@ -191,7 +191,7 @@ impl<'a> InferenceContext<'a> {
                 self.breakables.push(BreakableContext {
                     may_break: false,
                     break_ty: Ty::Unknown,
-                    label: label.clone(),
+                    label: label.map(|label| self.body[label].name.clone()),
                 });
                 // while let is desugared to a match loop, so this is always simple while
                 self.infer_expr(*condition, &Expectation::has_type(Ty::simple(TypeCtor::Bool)));
@@ -207,7 +207,7 @@ impl<'a> InferenceContext<'a> {
                 self.breakables.push(BreakableContext {
                     may_break: false,
                     break_ty: Ty::Unknown,
-                    label: label.clone(),
+                    label: label.map(|label| self.body[label].name.clone()),
                 });
                 let pat_ty =
                     self.resolve_associated_type(iterable_ty, self.resolve_into_iter_item());
@@ -648,6 +648,8 @@ impl<'a> InferenceContext<'a> {
             }
             Expr::Array(array) => {
                 let elem_ty = match &expected.ty {
+                    // FIXME: remove when https://github.com/rust-lang/rust/issues/80501 is fixed
+                    #[allow(unreachable_patterns)]
                     ty_app!(TypeCtor::Array, st) | ty_app!(TypeCtor::Slice, st) => {
                         st.as_single().clone()
                     }
diff --git a/crates/hir_ty/src/infer/pat.rs b/crates/hir_ty/src/infer/pat.rs
index b70ec55eb..d974f805b 100644
--- a/crates/hir_ty/src/infer/pat.rs
+++ b/crates/hir_ty/src/infer/pat.rs
@@ -243,6 +243,9 @@ impl<'a> InferenceContext<'a> {
                 }
                 None => Ty::Unknown,
             },
+            Pat::ConstBlock(expr) => {
+                self.infer_expr(*expr, &Expectation::has_type(expected.clone()))
+            }
             Pat::Missing => Ty::Unknown,
         };
         // use a new type variable if we got Ty::Unknown here
@@ -264,8 +267,9 @@ fn is_non_ref_pat(body: &hir_def::body::Body, pat: PatId) -> bool {
         | Pat::Range { .. }
         | Pat::Slice { .. } => true,
         Pat::Or(pats) => pats.iter().all(|p| is_non_ref_pat(body, *p)),
-        // FIXME: Path/Lit might actually evaluate to ref, but inference is unimplemented.
+        // FIXME: ConstBlock/Path/Lit might actually evaluate to ref, but inference is unimplemented.
         Pat::Path(..) => true,
+        Pat::ConstBlock(..) => true,
         Pat::Lit(expr) => match body[*expr] {
             Expr::Literal(Literal::String(..)) => false,
             _ => true,