// dont-check-compiler-stderr (rust-lang/rust#54222) // ignore-wasm32-bare no libc to test ffi with // compile-flags: -lrust_test_helpers #[link(name = "rust_test_helpers", kind = "static")] extern "C" { pub fn rust_dbg_extern_identity_u32(x: u32) -> u32; } fn main() { unsafe { rust_dbg_extern_identity_u32(42); } }