[rustc.git] / src / test / mir-opt / const_prop / issue-66971.rs

// compile-flags: -Z mir-opt-level=2

// Due to a bug in propagating scalar pairs the assertion below used to fail. In the expected
// outputs below, after ConstProp this is how _2 would look like with the bug:
//
//     _2 = (const Scalar(0x00) : (), const 0u8);
//
// Which has the wrong type.

fn encode(this: ((), u8, u8)) {
    assert!(this.2 == 0);
}

// EMIT_MIR rustc.main.ConstProp.diff
fn main() {
    encode(((), 0, 0));
}
Commit	Line	Data
60c5eb7d XL	1	// compile-flags: -Z mir-opt-level=2
	2
	3	// Due to a bug in propagating scalar pairs the assertion below used to fail. In the expected
	4	// outputs below, after ConstProp this is how _2 would look like with the bug:
	5	//
	6	// _2 = (const Scalar(0x00) : (), const 0u8);
	7	//
	8	// Which has the wrong type.
	9
	10	fn encode(this: ((), u8, u8)) {
	11	assert!(this.2 == 0);
	12	}
	13
ba9703b0	14	// EMIT_MIR rustc.main.ConstProp.diff
60c5eb7d XL	15	fn main() {
	16	encode(((), 0, 0));
	17	}