[rustc.git] / src / test / ui / issues / issue-46855.rs

// run-pass
#![allow(dead_code)]
// compile-flags: -Zmir-opt-level=1

use std::mem;

#[derive(Copy, Clone)]
enum Never {}

union Foo {
    a: u64,
    b: Never
}

fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 }

fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x }

fn main() {
    println!("{}", mem::size_of::<Foo>());

    let f = [Foo { a: 42 }, Foo { a: 10 }];
    println!("{:?}", unsafe { f[0].a });
}
Commit	Line	Data
b7449926	1	// run-pass
0bf4aa26	2	#![allow(dead_code)]
ff7c6d11 XL	3	// compile-flags: -Zmir-opt-level=1
ff7c6d11 XL	4
ea8adc8c	5	use std::mem;
3b2f2976	6
ff7c6d11 XL	7	#[derive(Copy, Clone)]
	8	enum Never {}
	9
	10	union Foo {
	11	a: u64,
	12	b: Never
	13	}
	14
	15	fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 }
	16
	17	fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x }
	18
7453a54e	19	fn main() {
ff7c6d11 XL	20	println!("{}", mem::size_of::<Foo>());
	21
	22	let f = [Foo { a: 42 }, Foo { a: 10 }];
	23	println!("{:?}", unsafe { f[0].a });
223e47cc	24	}