#![feature(const_precise_live_drops)] pub const fn id(x: T) -> T { x } pub const C: () = { let _: &'static _ = &id(&String::new()); //~^ ERROR: temporary value dropped while borrowed //~| ERROR: temporary value dropped while borrowed //~| ERROR: destructor of `String` cannot be evaluated at compile-time }; fn main() { let _: &'static _ = &id(&String::new()); //~^ ERROR: temporary value dropped while borrowed //~| ERROR: temporary value dropped while borrowed }