error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/hint.rs:LL:COL | = note: entering unreachable code | note: inside `unreachable_unchecked` --> $SRC_DIR/core/src/hint.rs:LL:COL note: inside `foo` --> $DIR/const_unsafe_unreachable_ub.rs:6:18 | LL | false => std::hint::unreachable_unchecked(), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: inside `BAR` --> $DIR/const_unsafe_unreachable_ub.rs:10:28 | LL | const BAR: bool = unsafe { foo(false) }; | ^^^^^^^^^^ error: aborting due to previous error For more information about this error, try `rustc --explain E0080`.