// run-pass // aux-build:test-macros.rs // ignore-wasm32 #[macro_use] extern crate test_macros; fn main() { assert_eq!(unsafe { rust_get_test_int() }, 1); assert_eq!(unsafe { rust_dbg_extern_identity_u32(0xDEADBEEF) }, 0xDEADBEEF); } #[link(name = "rust_test_helpers", kind = "static")] extern "C" { #[empty_attr] fn some_definitely_unknown_symbol_which_should_be_removed(); #[identity_attr] fn rust_get_test_int() -> isize; identity!( fn rust_dbg_extern_identity_u32(arg: u32) -> u32; ); }