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

   1 #![feature(const_indexing)]
   2
   3 const FOO: [usize; 3] = [1, 2, 3];
   4 const BAR: usize = FOO[5]; // no error, because the error below occurs before regular const eval
   5
   6 const BLUB: [u32; FOO[4]] = [5, 6];
   7 //~^ ERROR evaluation of constant value failed [E0080]
   8 //~| index out of bounds: the length is 3 but the index is 4
   9
  10 fn main() {
  11     let _ = BAR;
  12 }