LL | u & 255;
| ^^^^^^^
-error: aborting due to 8 previous errors
+error: the operation is ineffective. Consider reducing it to `42`
+ --> $DIR/identity_op.rs:38:5
+ |
+LL | 42 << 0;
+ | ^^^^^^^
+
+error: the operation is ineffective. Consider reducing it to `1`
+ --> $DIR/identity_op.rs:39:5
+ |
+LL | 1 >> 0;
+ | ^^^^^^
+
+error: the operation is ineffective. Consider reducing it to `42`
+ --> $DIR/identity_op.rs:40:5
+ |
+LL | 42 >> 0;
+ | ^^^^^^^
+
+error: aborting due to 11 previous errors