[rustc.git] / src / test / mir-opt / remove_zsts_dont_touch_unions.rs

// unit-test: RemoveZsts

// Ensure RemoveZsts doesn't remove ZST assignments to union fields,
// which causes problems in Miri.

union Foo {
    x: (),
    y: u64,
}

// EMIT_MIR remove_zsts_dont_touch_unions.get_union.RemoveZsts.after.mir
fn get_union() -> Foo {
    Foo { x: () }
}


fn main() {
    get_union();
}
Commit	Line	Data
f2b60f7d	1	// unit-test: RemoveZsts
cdc7bbd5 XL	2
	3	// Ensure RemoveZsts doesn't remove ZST assignments to union fields,
	4	// which causes problems in Miri.
	5
	6	union Foo {
	7	x: (),
	8	y: u64,
	9	}
	10
	11	// EMIT_MIR remove_zsts_dont_touch_unions.get_union.RemoveZsts.after.mir
	12	fn get_union() -> Foo {
	13	Foo { x: () }
	14	}
	15
	16
	17	fn main() {
	18	get_union();
	19	}