// revisions: mir thir // [thir]compile-flags: -Z thir-unsafeck #![allow(unused_variables)] union Foo { bar: i8, baz: u8, } fn main() { let foo = Foo { bar: 5 }; let a = foo.bar; //~ ERROR access to union field is unsafe and requires unsafe function or block let b = foo.baz; //~ ERROR access to union field is unsafe and requires unsafe function or block }