summaryrefslogtreecommitdiffstats
path: root/tests/ui/consts/promoted_const_call3.rs
blob: 6d68a2de70e471bc930a529b8a5c52ef4e34271d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
pub const fn id<T>(x: T) -> T { x }
pub const C: () = {
    let _: &'static _ = &String::new();
    //~^ ERROR: destructor of `String` cannot be evaluated at compile-time
    //~| ERROR: temporary value dropped while borrowed

    let _: &'static _ = &id(&String::new());
    //~^ ERROR: destructor of `String` cannot be evaluated at compile-time
    //~| ERROR: temporary value dropped while borrowed
    //~| ERROR: temporary value dropped while borrowed

    let _: &'static _ = &std::mem::ManuallyDrop::new(String::new());
    //~^ ERROR: temporary value dropped while borrowed
};

fn main() {
    let _: &'static _ = &String::new();
    //~^ ERROR: temporary value dropped while borrowed

    let _: &'static _ = &id(&String::new());
    //~^ ERROR: temporary value dropped while borrowed
    //~| ERROR: temporary value dropped while borrowed

    let _: &'static _ = &std::mem::ManuallyDrop::new(String::new());
    //~^ ERROR: temporary value dropped while borrowed
}