1 files changed, 7 insertions, 8 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs
index a27b6646131..82c50fac6c0 100644
--- a/compiler/rustc_const_eval/src/interpret/visitor.rs
+++ b/compiler/rustc_const_eval/src/interpret/visitor.rs
@@ -121,25 +121,24 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized {
 
                 // `Box` has two fields: the pointer we care about, and the allocator.
                 assert_eq!(v.layout().fields.count(), 2, "`Box` must have exactly 2 fields");
-                let (unique_ptr, alloc) = (
-                    self.ecx().project_field(v, FieldIdx::ZERO)?,
-                    self.ecx().project_field(v, FieldIdx::ONE)?,
-                );
+                let [unique_ptr, alloc] =
+                    self.ecx().project_fields(v, [FieldIdx::ZERO, FieldIdx::ONE])?;
+
                 // Unfortunately there is some type junk in the way here: `unique_ptr` is a `Unique`...
                 // (which means another 2 fields, the second of which is a `PhantomData`)
                 assert_eq!(unique_ptr.layout().fields.count(), 2);
-                let (nonnull_ptr, phantom) = (
-                    self.ecx().project_field(&unique_ptr, FieldIdx::ZERO)?,
-                    self.ecx().project_field(&unique_ptr, FieldIdx::ONE)?,
-                );
+                let [nonnull_ptr, phantom] =
+                    self.ecx().project_fields(&unique_ptr, [FieldIdx::ZERO, FieldIdx::ONE])?;
                 assert!(
                     phantom.layout().ty.ty_adt_def().is_some_and(|adt| adt.is_phantom_data()),
                     "2nd field of `Unique` should be PhantomData but is {:?}",
                     phantom.layout().ty,
                 );
+
                 // ... that contains a `NonNull`... (gladly, only a single field here)
                 assert_eq!(nonnull_ptr.layout().fields.count(), 1);
                 let raw_ptr = self.ecx().project_field(&nonnull_ptr, FieldIdx::ZERO)?; // the actual raw ptr
+
                 // ... whose only field finally is a raw ptr we can dereference.
                 self.visit_box(ty, &raw_ptr)?;