rust/tests/incremental/issue-59524-layout-scalar-valid-range-is-not-unused.rs
2023-01-11 09:32:08 +00:00

20 lines
558 B
Rust

// We should not see the unused_attributes lint fire for
// rustc_layout_scalar_valid_range_start, but with this bug we are
// seeing it fire (on subsequent runs) if incremental compilation is
// enabled.
// revisions: cfail1 cfail2
// build-pass (FIXME(62277): could be check-pass?)
#![feature(rustc_attrs)]
#![deny(unused_attributes)]
#[rustc_layout_scalar_valid_range_start(10)]
#[rustc_layout_scalar_valid_range_end(30)]
struct RestrictedRange(u32);
const OKAY_RANGE: RestrictedRange = unsafe { RestrictedRange(20) };
fn main() {
OKAY_RANGE.0;
}