X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibproc_macro%2Flib.rs;h=d5cdc266acb6accbdb10bb8a76b05aa3bd73d4a8;hb=f359a94849f5a66be4e5058ad9f5a480623a4627;hp=c0f7714ca211af612fa2cb61fd026056d7ade99e;hpb=5922a1916bae66a80acc8aacf28e6aa1743a8dce;p=rust.git

diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs
index c0f7714ca21..d5cdc266acb 100644
--- a/src/libproc_macro/lib.rs
+++ b/src/libproc_macro/lib.rs
@@ -19,12 +19,15 @@
 
 #![feature(nll)]
 #![feature(staged_api)]
+#![feature(allow_internal_unstable)]
 #![feature(const_fn)]
+#![feature(decl_macro)]
 #![feature(extern_types)]
 #![feature(in_band_lifetimes)]
 #![feature(optin_builtin_traits)]
 #![feature(mem_take)]
 #![feature(non_exhaustive)]
+#![feature(rustc_attrs)]
 #![feature(specialization)]
 
 #![recursion_limit="256"]
@@ -222,11 +225,10 @@ fn into_iter(self) -> IntoIter {
 ///
 /// Unquoting is done with `$`, and works by taking the single next ident as the unquoted term.
 /// To quote `$` itself, use `$$`.
-///
-/// This is a dummy macro, the actual implementation is in `quote::quote`.`
 #[unstable(feature = "proc_macro_quote", issue = "54722")]
-#[macro_export]
-macro_rules! quote { () => {} }
+#[allow_internal_unstable(proc_macro_def_site)]
+#[rustc_builtin_macro]
+pub macro quote ($($t:tt)*) { /* compiler built-in */ }
 
 #[unstable(feature = "proc_macro_internals", issue = "27812")]
 #[doc(hidden)]