From 2b3e16bfaabd07d87523a90e820fd2fa50377fbc Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Wed, 26 Sep 2018 03:07:59 +0300
Subject: Accept trailing comma in `cfg_attr`

---
 src/libsyntax/config.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/config.rs b/src/libsyntax/config.rs
index 5d978b6b9e6..ea0d1efe7e2 100644
--- a/src/libsyntax/config.rs
+++ b/src/libsyntax/config.rs
@@ -90,6 +90,7 @@ impl<'a> StripUnconfigured<'a> {
             parser.expect(&token::Comma)?;
             let lo = parser.span.lo();
             let (path, tokens) = parser.parse_meta_item_unrestricted()?;
+            parser.eat(&token::Comma); // Optional trailing comma
             parser.expect(&token::CloseDelim(token::Paren))?;
             Ok((cfg, path, tokens, parser.prev_span.with_lo(lo)))
         }) {
-- 
cgit 1.4.1-3-g733a5