.map(
#[target_feature(enable = "")]
//~^ ERROR: attribute should be applied to a function
+ //~| ERROR: feature named `` is not valid
+ //~| NOTE: `` is not valid for this target
#[track_caller]
+ //~^ ERROR: `#[track_caller]` on closures is currently unstable
+ //~| NOTE: see issue #87417
|_| (),
//~^ NOTE: not a function
)