src/test/ui/consts/const-err-late.rs

   1 // build-fail
   2 // compile-flags: -C overflow-checks=on
   3
   4 #![allow(arithmetic_overflow, unconditional_panic)]
   5
   6 fn black_box<T>(_: T) {
   7     unimplemented!()
   8 }
   9
  10 struct S<T>(T);
  11
  12 impl<T> S<T> {
  13     const FOO: u8 = [5u8][1];
  14     //~^ ERROR evaluation of `S::<i32>::FOO` failed
  15     //~| ERROR evaluation of `S::<u32>::FOO` failed
  16 }
  17
  18 fn main() {
  19     black_box((S::<i32>::FOO, S::<u32>::FOO)); //~ constant
  20 }