From 3502bec0322829d8bbe61b65c62bb796814e4bd3 Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <spastorino@gmail.com>
Date: Tue, 3 Oct 2017 14:19:56 -0300
Subject: Make newtype_index get debug_name using reflection

---
 src/librustc_data_structures/indexed_vec.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/librustc_data_structures')

diff --git a/src/librustc_data_structures/indexed_vec.rs b/src/librustc_data_structures/indexed_vec.rs
index 01fb2930687..82882f94440 100644
--- a/src/librustc_data_structures/indexed_vec.rs
+++ b/src/librustc_data_structures/indexed_vec.rs
@@ -40,6 +40,10 @@ impl Idx for u32 {
 
 #[macro_export]
 macro_rules! newtype_index {
+    ($name:ident) => (
+        newtype_index!($name, unsafe { ::std::intrinsics::type_name::<$name>() });
+    );
+
     ($name:ident, $debug_name:expr) => (
         #[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord,
          RustcEncodable, RustcDecodable)]
-- 
cgit 1.4.1-3-g733a5