summaryrefslogtreecommitdiffstats
path: root/src/test/ui/consts/const-eval/erroneous-const2.rs
blob: aa0f093bf6293c73f420d9d5412efec36492d49e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
//! Make sure we error on erroneous consts even if they are unused.
#![warn(const_err, unconditional_panic)]

struct PrintName<T>(T);
impl<T> PrintName<T> {
    const VOID: () = [()][2]; //~WARN any use of this value will cause an error
    //~^ WARN this operation will panic at runtime
    //~| WARN this was previously accepted by the compiler but is being phased out
}

pub static FOO: () = {
    if false {
        // This bad constant is only used in dead code in a static initializer... and yet we still
        // must make sure that the build fails.
        let _ = PrintName::<i32>::VOID; //~ERROR could not evaluate static initializer
    }
};

fn main() {
    FOO
}