tweak names and output and bless

compiler/rustc_const_eval/src/const_eval/eval_queries.rs

@@ -157,7 +157,7 @@ pub(super) fn op_to_const<'tcx>(
                     "this MPlaceTy must come from a validated constant, thus we can assume the \
                 alignment is correct",
                 );
-                ConstValue::Zst
+                ConstValue::ZeroSized
             }
         }
     };