error: floating-point types cannot be used in patterns --> $DIR/issue-6804.rs:11:9 | LL | NAN => {}, | ^^^ | = 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 #41620 note: the lint level is defined here --> $DIR/issue-6804.rs:4:9 | LL | #![deny(illegal_floating_point_literal_pattern)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: floating-point types cannot be used in patterns --> $DIR/issue-6804.rs:17:10 | LL | [NAN, _] => {}, | ^^^ | = 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 #41620 error: aborting due to 2 previous errors