Misc changes

Author: bjorn3

src/base.rs

@@ -634,7 +634,7 @@ pub fn trans_get_discriminant<'a, 'tcx: 'a>(
             let discr_val = layout
                 .ty
                 .ty_adt_def()
-                .map_or(index.as_u32() as u128, |def| {
+                .map_or(u128::from(index.as_u32()), |def| {
                     def.discriminant_for_variant(fx.tcx, *index).val
                 });
             return CValue::const_val(fx, dest_layout.ty, discr_val);

src/codegen_i128.rs

@@ -86,7 +86,7 @@ pub fn maybe_codegen<'a, 'tcx>(
                 }
                 _ => {
                     // if msb_eq {
-                    //     lhs_cc
+                    //     lsb_cc
                     // } else {
                     //     msb_cc
                     // }