error[E0621]: explicit lifetime required in the type of `s`
  --> $DIR/regions-glb-free-free.rs:15:13
   |
LL | /             Flag {
LL | |                 name: self.name,
LL | |                 desc: s,
LL | |                 max_count: self.max_count,
LL | |                 value: self.value
LL | |             }
   | |_____________^ lifetime `'a` required
   |
help: add explicit lifetime `'a` to the type of `s`
   |
LL |         pub fn set_desc(self, s: &'a str) -> Flag<'a> {
   |                                   ++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0621`.