From 8d1cc72cf9fca507f4e14fad88f7269594305846 Mon Sep 17 00:00:00 2001
From: Esteban Küber <esteban@kuber.com.ar>
Date: Tue, 26 Mar 2019 12:32:32 -0700
Subject: Add specific message for tuple struct invoked with suffixed numeric
 field name

---
 src/libsyntax/parse/parser.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index bb3dc8edfb0..71dde91e654 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -2491,7 +2491,8 @@ impl<'a> Parser<'a> {
     }
 
     fn parse_field_name(&mut self) -> PResult<'a, Ident> {
-        if let token::Literal(token::Integer(name), None) = self.token {
+        if let token::Literal(token::Integer(name), suffix) = self.token {
+            self.expect_no_suffix(self.span, "a tuple index", suffix);
             self.bump();
             Ok(Ident::new(name, self.prev_span))
         } else {
-- 
cgit 1.4.1-3-g733a5