error[E0647]: start function is not allowed to have a `where` clause --> $DIR/issue-50714-1.rs:9:56 | LL | fn start(_: isize, _: *const *const u8) -> isize where fn(&()): Eq { | ^^^^^^^^^^^ start function cannot have a `where` clause error: aborting due to previous error For more information about this error, try `rustc --explain E0647`.