src/test/ui/consts/const-array-oob.rs

   1 const FOO: [usize; 3] = [1, 2, 3];
   2 const BAR: usize = FOO[5]; // no error, because the error below occurs before regular const eval
   3
   4 const BLUB: [u32; FOO[4]] = [5, 6];
   5 //~^ ERROR evaluation of constant value failed [E0080]
   6 //~| index out of bounds: the length is 3 but the index is 4
   7
   8 fn main() {
   9     let _ = BAR;
  10 }