error: unreachable statement --> $DIR/issue-7246.rs:7:5 | LL | return; | ------ any code following this expression is unreachable LL | if *ptr::null() {}; | ^^^^^^^^^^^^^^^^^^^ unreachable statement | note: the lint level is defined here --> $DIR/issue-7246.rs:1:9 | LL | #![deny(unreachable_code)] | ^^^^^^^^^^^^^^^^ warning: dereferencing a null pointer --> $DIR/issue-7246.rs:7:8 | LL | if *ptr::null() {}; | ^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: `#[warn(deref_nullptr)]` on by default error: aborting due to previous error; 1 warning emitted