message: Rustup to rustc 1.38.0-nightly (c798dffac 2019-07-27)
diff: -#![feature(no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types, untagged_unions)]
  +#![feature(
  + no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types,
  + untagged_unions, decl_macro, rustc_attrs
  +)]
  #![no_core]
  #![allow(dead_code)]
  @@ -483,3 +486,15 @@ fn index(&self, index: usize) -> &Self::Output {
  #[lang = "va_list"]
  #[repr(transparent)]
  pub struct VaList<'a>(&'a mut VaListImpl);
  +
  +#[rustc_builtin_macro]
  +#[rustc_macro_transparency = "semitransparent"]
  +pub macro stringify($($t:tt)*) { /* compiler built-in */ }
  +
  +#[rustc_builtin_macro]
  +#[rustc_macro_transparency = "semitransparent"]
  +pub macro file() { /* compiler built-in */ }
  +
  +#[rustc_builtin_macro]
  +#[rustc_macro_transparency = "semitransparent"]
  +pub macro line() { /* compiler built-in */ }
  