gcc/testsuite/rust/compile/builtin_macro_include_str.rs


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#[rustc_builtin_macro]
macro_rules! include_str {
  () => {{}};
}

fn main () {
  let file = "include.txt";
  include_str! (file); // { dg-error "argument must be a string literal" "" }
  include_str! (); // { dg-error "macro takes 1 argument" "" }
  include_str! ("foo.txt", "bar.txt"); // { dg-error "macro takes 1 argument" "" }
  include_str! ("builtin_macro_include_str.rs"); // ok
  include_str! ("builtin_macro_include_str.rs",); // trailing comma ok
  include_str! ("invalid_utf8"); // { dg-error "invalid_utf8 was not a valid utf-8 file" "" }
}