| //@ revisions: rpass bfail |
| //@ ignore-backends: gcc |
| |
| #![deny(unused_features)] |
| |
| // Used language features |
| #![feature(decl_macro)] |
| #![cfg_attr(all(), feature(rustc_attrs))] |
| |
| // Used library features |
| #![feature(error_iter)] |
| //[bfail]~^ ERROR feature `error_iter` is declared but not used |
| #![cfg_attr(all(), feature(allocator_api))] |
| //[bfail]~^ ERROR feature `allocator_api` is declared but not used |
| |
| macro m() {} |
| pub fn use_decl_macro() { |
| m!(); |
| } |
| |
| #[rustc_dummy] |
| pub fn use_rustc_attrs() {} |
| |
| #[cfg(rpass)] |
| pub fn use_error_iter(e: &(dyn std::error::Error + 'static)) { |
| for _ in e.sources() {} |
| } |
| |
| #[cfg(rpass)] |
| pub fn use_allocator_api() { |
| use std::alloc::Global; |
| let _ = Vec::<i32>::new_in(Global); |
| } |
| |
| fn main() {} |
