rust/tests/ui/numbers-arithmetic/overflow-attribute-works-1.rs
2024-02-16 20:02:50 +00:00

20 lines
324 B
Rust

//@ run-pass
//@ compile-flags: -C overflow_checks=true
#![feature(cfg_overflow_checks)]
fn main() {
assert!(cfg!(overflow_checks));
assert!(compiles_differently());
}
#[cfg(overflow_checks)]
fn compiles_differently()->bool {
true
}
#[cfg(not(overflow_checks))]
fn compiles_differently()->bool {
false
}