text: // run-pass
  // ignore-wasm32
  
  #![feature(decl_macro)]
  
  macro_rules! returns_isize(
      ($ident:ident) => (
          fn $ident() -> isize;
      )
  );
  
  macro takes_u32_returns_u32($ident:ident) {
      fn $ident (arg: u32) -> u32;
  }
  
  macro_rules! emits_nothing(
      () => ()
  );
  
  macro_rules! emits_multiple(
      () => {
          fn f1() -> u32;
          fn f2() -> u32;
      }
  );
  
  mod defs {
      #[no_mangle] extern fn f1() -> u32 { 1 }
      #[no_mangle] extern fn f2() -> u32 { 2 }
  }
  
  fn main() {
      assert_eq!(unsafe { rust_get_test_int() }, 1);
      assert_eq!(unsafe { rust_dbg_extern_identity_u32(0xDEADBEEF) }, 0xDEADBEEFu32);
      assert_eq!(unsafe { f1() }, 1);
      assert_eq!(unsafe { f2() }, 2);
  }
  
  #[link(name = "rust_test_helpers", kind = "static")]
  extern {
      returns_isize!(rust_get_test_int);
      takes_u32_returns_u32!(rust_dbg_extern_identity_u32);
      emits_nothing!();
      emits_multiple!();
  }
  