diff --git a/src/base.rs b/src/base.rs
index ea37e19099a8..97d8baa61573 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -915,6 +915,10 @@ fn is_wide_ptr<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> bool {
                     }
                     crate::discriminant::codegen_set_discriminant(fx, lval, variant_index);
                 }
+                Rvalue::WrapUnsafeBinder(ref operand, _to_ty) => {
+                    let operand = codegen_operand(fx, operand);
+                    lval.write_cvalue_transmute(fx, operand);
+                }
             }
         }
         StatementKind::StorageLive(_)