#![allow(unused_assignments, unused_variables)] fn main() { // Initialize test constants in a way that cannot be determined at compile time, to ensure // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from // dependent conditions. let is_true = std::env::args().len() == 1; let mut countdown = 1; if is_true { countdown = 0; } for _ in 0..2 { let z ; match countdown { x if x < 1 => { z = countdown ; let y = countdown ; countdown = 10 ; } _ => {} } } }