From 4e212c6ddc4cc190c3ec0b531b6297dcff4932a0 Mon Sep 17 00:00:00 2001
From: Matthew Jasper <mjjasper1@gmail.com>
Date: Tue, 11 Jun 2019 19:47:52 +0100
Subject: Avoid some unnecessary symbol interner operations

---
 src/libsyntax/diagnostics/plugin.rs | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

(limited to 'src/libsyntax/diagnostics/plugin.rs')

diff --git a/src/libsyntax/diagnostics/plugin.rs b/src/libsyntax/diagnostics/plugin.rs
index 9f01b9b9f9b..620d50bdc02 100644
--- a/src/libsyntax/diagnostics/plugin.rs
+++ b/src/libsyntax/diagnostics/plugin.rs
@@ -121,19 +121,7 @@ pub fn expand_register_diagnostic<'cx>(ecx: &'cx mut ExtCtxt<'_>,
         }
     });
 
-    let span = span.apply_mark(ecx.current_expansion.mark);
-
-    let name = Ident::from_str_and_span(&format!("__register_diagnostic_{}", code), span).gensym();
-
-    MacEager::items(smallvec![
-        ecx.item_mod(
-            span,
-            span,
-            name,
-            vec![],
-            vec![],
-        )
-    ])
+    MacEager::items(smallvec![])
 }
 
 #[allow(deprecated)]
-- 
cgit 1.4.1-3-g733a5