tests/ui/instrument-coverage/unstable.rs

// revisions: branch except-unused-functions except-unused-generics
// [branch] compile-flags: -Cinstrument-coverage=branch
// [except-unused-functions] compile-flags: -Cinstrument-coverage=except-unused-functions
// [except-unused-generics] compile-flags: -Cinstrument-coverage=except-unused-generics

fn main() {}