warning: the type of this value must be known in this context --> $DIR/inference-variable-behind-raw-pointer.rs:18:13 | 18 | if data.is_null() {} | ^^^^^^^ | = note: #[warn(tyvar_behind_raw_pointer)] on by default = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #46906