diff --git a/src/base.rs b/src/base.rs
index d636ba3d763..2d490ae8679 100644
--- a/src/base.rs
+++ b/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);
diff --git a/src/codegen_i128.rs b/src/codegen_i128.rs
index 9cd6bc8c786..f173b4dbd5d 100644
--- a/src/codegen_i128.rs
+++ b/src/codegen_i128.rs
@@ -86,7 +86,7 @@ pub fn maybe_codegen<'a, 'tcx>(
                 }
                 _ => {
                     // if msb_eq {
-                    //     lhs_cc
+                    //     lsb_cc
                     // } else {
                     //     msb_cc
                     // }