src/test/ui/consts/const-err4.rs

   1 // stderr-per-bitwidth
   2 #[derive(Copy, Clone)]
   3 union Foo {
   4     a: isize,
   5     b: (),
   6 }
   7
   8 enum Bar {
   9     Boo = [unsafe { Foo { b: () }.a }; 4][3],
  10     //~^ ERROR evaluation of constant value failed
  11     //~| uninitialized
  12 }
  13
  14 fn main() {
  15     assert_ne!(Bar::Boo as isize, 0);
  16 }