From 1aad320974786f3abbe6e82a9d96d5594238046b Mon Sep 17 00:00:00 2001
From: Esteban Küber <esteban@kuber.com.ar>
Date: Mon, 19 Feb 2018 10:07:45 -0800
Subject: When encountering invalid token after `unsafe`, mention `{`

---
 src/libsyntax/parse/parser.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index ac582627f88..fed7d25811a 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -6469,6 +6469,8 @@ impl<'a> Parser<'a> {
             && self.look_ahead(1, |t| *t != token::OpenDelim(token::Brace)) {
             // UNSAFE FUNCTION ITEM
             self.bump(); // `unsafe`
+            // `{` is also expected after `unsafe`, in case of error, include it in the diagnostic
+            self.check(&token::OpenDelim(token::Brace));
             let abi = if self.eat_keyword(keywords::Extern) {
                 self.parse_opt_abi()?.unwrap_or(Abi::C)
             } else {
-- 
cgit 1.4.1-3-g733a5