From 433024147ae1e9795fe7e94cb1810a17fd37fa51 Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Fri, 19 Jul 2019 00:24:58 +0300
Subject: syntax_ext: Turn `#[global_allocator]` into a regular attribute macro

---
 src/libcore/macros.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/libcore')

diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index 296bb43f9fa..17781798946 100644
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -1281,6 +1281,13 @@ mod builtin {
     #[rustc_macro_transparency = "semitransparent"]
     pub macro test_case($item:item) { /* compiler built-in */ }
 
+    /// Attribute macro applied to a static to register it as a global allocator.
+    #[stable(feature = "global_allocator", since = "1.28.0")]
+    #[allow_internal_unstable(rustc_attrs)]
+    #[rustc_builtin_macro]
+    #[rustc_macro_transparency = "semitransparent"]
+    pub macro global_allocator($item:item) { /* compiler built-in */ }
+
     /// Derive macro generating an impl of the trait `Clone`.
     #[rustc_builtin_macro]
     #[rustc_macro_transparency = "semitransparent"]
-- 
cgit 1.4.1-3-g733a5