From ff0513c6973523b65f59b8b508ca85dc2944c988 Mon Sep 17 00:00:00 2001
From: Kornel <kornel@geekhood.net>
Date: Mon, 7 Aug 2017 18:23:15 +0100
Subject: Hint correct extern constant syntax

---
 src/libsyntax/parse/parser.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index ca362ec9368..c34317e649d 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -6007,7 +6007,9 @@ impl<'a> Parser<'a> {
         }
 
         if self.check_keyword(keywords::Const) {
-            return Err(self.span_fatal(self.span, "extern items cannot be `const`"));
+            let mut err = self.span_fatal(self.span, "extern items cannot be `const`");
+            err.help("use `static` instead");
+            return Err(err);
         }
 
         // FIXME #5668: this will occur for a macro invocation:
-- 
cgit 1.4.1-3-g733a5