error: this arithmetic operation will overflow --> $DIR/overflowing-lsh-4.rs:11:13 | LL | let x = 1_i8 << 17; | ^^^^^^^^^^ attempt to shift left by `17_i32`, which would overflow | note: the lint level is defined here --> $DIR/overflowing-lsh-4.rs:7:9 | LL | #![deny(arithmetic_overflow)] | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error