--- /dev/null
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:16:5
+ |
+LL | x + 0;
+ | ^^^^^
+ |
+ = note: `-D clippy::identity-op` implied by `-D warnings`
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:17:5
+ |
+LL | x + (1 - 1);
+ | ^^^^^^^^^^^
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:19:5
+ |
+LL | 0 + x;
+ | ^^^^^
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:22:5
+ |
+LL | x | (0);
+ | ^^^^^^^
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:25:5
+ |
+LL | x * 1;
+ | ^^^^^
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:26:5
+ |
+LL | 1 * x;
+ | ^^^^^
+
+error: the operation is ineffective. Consider reducing it to `x`
+ --> $DIR/identity_op.rs:32:5
+ |
+LL | -1 & x;
+ | ^^^^^^
+
+error: the operation is ineffective. Consider reducing it to `u`
+ --> $DIR/identity_op.rs:35:5
+ |
+LL | u & 255;
+ | ^^^^^^^
+
+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
+