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// run-pass
// revisions: mirunsafeck thirunsafeck
// [thirunsafeck]compile-flags: -Z thir-unsafeck
type Field1 = (i32, u32);
type Field2 = f32;
type Field3 = i64;
union DummyUnion {
field1: Field1,
field2: Field2,
field3: Field3,
}
const FLOAT1_AS_I32: i32 = 1065353216;
const UNION: DummyUnion = DummyUnion { field1: (FLOAT1_AS_I32, 0) };
const fn read_field1() -> Field1 {
const FIELD1: Field1 = unsafe { UNION.field1 };
FIELD1
}
const fn read_field2() -> Field2 {
const FIELD2: Field2 = unsafe { UNION.field2 };
FIELD2
}
const fn read_field3() -> Field3 {
const FIELD3: Field3 = unsafe { UNION.field3 };
FIELD3
}
fn main() {
let foo = FLOAT1_AS_I32;
assert_eq!(read_field1().0, foo);
assert_eq!(read_field1().0, FLOAT1_AS_I32);
let foo = 1.0;
assert_eq!(read_field2(), foo);
assert_eq!(read_field2(), 1.0);
assert_eq!(read_field3(), unsafe { UNION.field3 });
let foo = unsafe { UNION.field3 };
assert_eq!(read_field3(), foo);
}
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